Products & Prices

Grade K/1 Caribou Cup Mathematics Contest Participation [$0.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade K/1 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

Grade 2 Caribou Cup Mathematics Contest Participation [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 2 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 3/4 Caribou Cup Mathematics Contest Participation [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 3/4 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

Grade 5/6 Caribou Cup Mathematics Contest Participation [$30.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 5/6 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 7/8 Caribou Cup Mathematics Contest Participation [$30.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 7/8 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 9/10 Caribou Cup Mathematics Contest Participation [$30.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 9/10 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 11/12 Caribou Cup Mathematics Contest Participation [$30.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 Grade 11/12 math contests of the current Caribou Cup
• Interactive Practice for these math contests on the page Take a Past Contest after each math contest
• Bonus: unlimited access to Interactive Games on the games page

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

All Inclusive Individual Math Pass with Grade 2 Contest Participation [$120.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 2 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass with Grade 3/4 Contest Participation [$120.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 3/4 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

All Inclusive Individual Math Pass with Grade 5/6 Contest Participation [$130.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 5/6 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass with Grade 7/8 Contest Participation [$130.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 7/8 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass with Grade 9/10 Contest Participation [$130.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 9/10 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass with Grade 11/12 Contest Participation [$130.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests in the Grade 11/12 level of the Current Caribou Cup
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: each student needs a valid access code from the current year to participate. To ensure that the student's access code has been credited, their Caribou Coordinator should log in and verify that "Valid for Entire Year" is checked off for this code in "Manage & Print Access Codes". Students & parents can check this, too, by signing in to the Student Account and checking "My Account Information" or "My Purchases".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass Without Contest Participation [$120.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the current Caribou Cup after each math contest on the page View Written Solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page View Written Solutions
• Interactive practice for these math contests on the page Take a Past math Contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: this purchase does not include contest participation. It is intended for those who are already participating through their school or those who want to practice but do not want to participate in the contests.

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Calcrostic Book [$40.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• This gives access to the Calcrostic Puzzle book which can be accessed and printed under Prepare > More > Calcrostic Puzzle Book along with hundreds of bonus interactive Calcrostic puzzles.
• This book introduces the reader to calcrostic puzzles. A useful tool for preparing for calcrostic puzzles on contests, this is also suitable for anyone who enjoys mathematical puzzles like Sudoku, Kakuro, Magic Squares, etc.
• Different solving techniques are explained and demonstrated with examples. Apart from logical thinking when creating case distinctions one can use algebra for formulating and solving simple equations, inequalities, the pigeonhole principle, divisibility rules up to more challenging algebra when trying to solve rational calcrostic puzzles. A collection of calcrostics for the different types provides practice material for a wide range of difficulty levels suitable for students from grade 3/4 to 11/12.
• Contents:
  • 1. What is a Calcrostic?
  • 1.1. Did you know?
  • 2. How to Solve Calcrostics?
  • 2.1. Clues, clues, clues
  • 2.2. An Example Solution
  • 2.3. More Solutions
  • 2.4. Puzzles involving Rational Numbers
  • 2.4.1. Qualitative Description
  • 2.4.2. Partial Fraction Decomposition of Rational Numbers
  • 2.4.3. Conclusions and Examples
  • 3. Integer 3 × 3 Problems
  • 4. Integer 3 × 3 Problems with Diagonals
  • 5. Rational 3 × 3 Problems
  • 5.1. A 3 × 3 Problem with Solution
  • 5.2. More 3 × 3 Problems
  • 6. Rational 5 × 5 Problems
  • 6.1. A 5 × 5 Problem with Solution
  • 6.2. More 5 × 5 Problems
  • 7. Rational 7 × 7 Problems
  • 7.1. A few 7 × 7 Problems with Solution
  • 7.2. More 7 × 7 Puzzles

Note: the book is a pdf file. Upon purchase, you can access the book by signing in and selecting it under the More > Calcrostic Puzzle Book under the Prepare menu.

This product is only available in English.

Individual GeomeTree Access [$40.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• 56 interactive geometry worksheets grouped into 9 categories
• Curriculum material, interactive constructions as well as formula discovery and proofs
• Progressive content suitable for elementary, middle, and high school students
• Worksheets are organized in a tree of dependencies to guide students through a structured and consistent experience of learning and discovery
• Each worksheet has an introduction, guided interactive construction, a summary page and a quiz
• Interested students can tackle challenges beyond the school curriculum including the geometry of playing billiards, the construction of 72°, 36°, 18°, 9° angles, constructing a pentagon and a 17-gon
• No prerequisites are required

Note: upon purchase, you can access GeomeTree by signing in and choosing GeomeTree in the Games menu.

This product is only available in English, French, Chinese, Ukrainian, Khmer, Vietnamese, Malay, Turkish, German.

Individual Chomp + iChomp Access [$20.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Chomp and iChomp mini-courses
• No prerequisites are needed, as everything is derived from first principles
• Over 60 questions and their answers guide the reader in their study
• Progressive content suitable for all grade levels:
  • Elementary school: hints for improving playing strength
  • Middle school: introduction of binary numbers and their arithmetic including conversion to decimal numbers and the XOR operator
  • High school: short theorems and their proofs by induction, the Sprague-Grundy Theory applicable not only to Chomp and iChomp but to all impartial combinatorial games
• Exact algorithms for specific classes of positions
• A hypothesis about similarities between losing positions in Chomp and primary numbers

Note: upon purchase, you can access the Chomp and iChomp mini-courses by signing in and choosing Chomp and iChomp in the games menu. On these pages, the mini-courses are in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

Individual Proof by Induction Access [$20.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Through a simple step-by-step example, the reader learns how to apply the proof by induction technique.
• Then, the reader can practice applying this technique by performing 46 different proofs by induction for summation rules, product rules, theorems about divisibility and Fibonacci sequences.
• All proofs can be followed step-by-step in an example mode then performed interactively by the user.
• This unique learning tool allows the user complete freedom in how they formulate each proof.
• Each step is checked by an automatic proof verification system.
• At the end, the user can print a copy of their own proof or have it emailed to them.

Note: upon purchase, you can access the Proof by Induction site by signing in and choosing Induction in the Games menu.

This product is only available in English, Persian, Azerbaijani, Khmer, Vietnamese, German.

Individual Maze Access [$10.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Mazes tutorial
• These are typical mazes fulfilling two simple conditions:
  • any two points can be linked, and
  • there is no closed path
• Despite its generality, this class of mazes has remarkable properties.
• First the tutorial explains useful notations, then the reader is guided in the discovery of the 6 magic points in every maze and using these points to find the solution.
• 30 progressive questions with illustrated examples that give the reader understanding of the global structures which characterize these mazes.

Note: upon purchase, you can access the mazes tutorial by signing in and choosing Mazes in the games menu. The tutorial is in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

Individual Non-Math Credits [$10.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• A single credit can be used to participate in 1 coding contest or one calcrostic contest during the current Caribou Cup year for one student

Note: The maximum number of credits available for purchase is based on the total number of Beginner, Junior and Senior contests, since students can choose to participate in all three. Each contest costs 1 credit, please only buy the amount of credits that suits your needs.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German, Uzbek, Russian.

Grade K/1 Written Solutions for Current Year + Interactive Practice [$0.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade K/1 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

Grade 2 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 2 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 3/4 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 3/4 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 5/6 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 5/6 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 7/8 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 7/8 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 9/10 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 9/10 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 11/12 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 11/12 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2023 – 2024, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2022 – 2023, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English.

2022 – 2023, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2021 – 2022, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2020 – 2021, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2019 – 2020, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2018 – 2019, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2017 – 2018, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2016 – 2017, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2015 – 2016, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide Math Contest Access [$640.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 contests of the current Caribou Cup for an unlimited number of students
• Interactive Practice for these contests on the page Take a Past Contest after each contest
• Bonus: unlimited access to interactive games on the games page

Note: upon purchase of School Wide Access, all student access codes already registered under the School's Caribou Coordinator' accounts automatically become "valid for entire year", as will any new codes generated by these accounts. You should verify this in "Manage & Print Access Codes".

Access to contest answers and solutions for the current year's and past year's contests are available for purchase separately, as well as all-inclusive bundles.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive School Wide Math Pass [$1 240.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in all 6 math contests of the current Caribou Cup for an unlimited number of students
• Answers and written solutions for the current Caribou Cup after each math contest on the page view written solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page view written solutions
• Interactive practice for these math contests on the page take a past math contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: upon purchase of a school wide pass, all student access codes already registered under the school Caribou Coordinator's accounts automatically become "valid for entire year", as will any new codes generated by these accounts. You should verify this in "Manage & Print Access Codes".

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only valid for Caribou Math Contests. This does not include the Caribou Calcrostics and Caribou Coding Contests, which are Subject Challenges. To gain access to these Contests, "Non-Math Credits" have to be purchased. If you are in a country where you gain access through a country representative with vouchers, this can also be done for the Subject Challenges.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive School Wide Math Pass Without Contest Participation [$700.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the current Caribou Cup after each math contest on the page View Written Solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page View Written Solutions
• Interactive practice for these math contests on the page Take a Past math Contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: this purchase does not include contest participation. It is intended as an upgrade for schools which already have school wide contest access or for schools who want all inclusive access to our products but do not want to participate in the contests.

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide Non-Math Contest Access [$240.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Participation in both coding contests of the current Caribou Cup year for an unlimited number of students (Each Coding Contest has a beginner, junior and senior level, students can participate in all three.)
• Participation in both Calcrostic contests of the current Caribou Cup year

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German, Uzbek, Russian.

School Wide Calcrostic Book Access [$150.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• This gives access to the Calcrostic Puzzle book which can be accessed and printed under Prepare > More > Calcrostic Puzzle Book along with hundreds of bonus interactive Calcrostic puzzles.
• This book introduces the reader to calcrostic puzzles. A useful tool for preparing for calcrostic puzzles on contests, this is also suitable for anyone who enjoys mathematical puzzles like Sudoku, Kakuro, Magic Squares, etc.
• Different solving techniques are explained and demonstrated with examples. Apart from logical thinking when creating case distinctions one can use algebra for formulating and solving simple equations, inequalities, the pigeonhole principle, divisibility rules up to more challenging algebra when trying to solve rational calcrostic puzzles. A collection of calcrostics for the different types provides practice material for a wide range of difficulty levels suitable for students from grade 3/4 to 11/12.
• Contents:
  • 1. What is a Calcrostic?
  • 1.1. Did you know?
  • 2. How to Solve Calcrostics?
  • 2.1. Clues, clues, clues
  • 2.2. An Example Solution
  • 2.3. More Solutions
  • 2.4. Puzzles involving Rational Numbers
  • 2.4.1. Qualitative Description
  • 2.4.2. Partial Fraction Decomposition of Rational Numbers
  • 2.4.3. Conclusions and Examples
  • 3. Integer 3 × 3 Problems
  • 4. Integer 3 × 3 Problems with Diagonals
  • 5. Rational 3 × 3 Problems
  • 5.1. A 3 × 3 Problem with Solution
  • 5.2. More 3 × 3 Problems
  • 6. Rational 5 × 5 Problems
  • 6.1. A 5 × 5 Problem with Solution
  • 6.2. More 5 × 5 Problems
  • 7. Rational 7 × 7 Problems
  • 7.1. A few 7 × 7 Problems with Solution
  • 7.2. More 7 × 7 Puzzles

Note: the book is a pdf file. Upon purchase, you can access the book by signing in and selecting it under the More > Calcrostic Puzzle Book under the Prepare menu.

This product is only available in English.

School Wide GeomeTree Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• 56 interactive geometry worksheets grouped into 9 categories
• Curriculum material, interactive constructions as well as formula discovery and proofs
• Progressive content suitable for elementary, middle, and high school students
• Worksheets are organized in a tree of dependencies to guide students through a structured and consistent experience of learning and discovery
• Each worksheet has an introduction, guided interactive construction, a summary page and a quiz
• Interested students can tackle challenges beyond the school curriculum including the geometry of playing billiards, the construction of 72°, 36°, 18°, 9° angles, constructing a pentagon and a 17-gon
• No prerequisites are required

Note: upon purchase, you can access GeomeTree by signing in and choosing GeomeTree in the Games menu.

This product is only available in English, French, Chinese, Ukrainian, Khmer, Vietnamese, Malay, Turkish, German.

School Wide Chomp + iChomp Access [$100.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Chomp and iChomp mini-courses
• No prerequisites are needed, as everything is derived from first principles
• Over 60 questions and their answers guide the reader in their study
• Progressive content suitable for all grade levels:
  • Elementary school: hints for improving playing strength
  • Middle school: introduction of binary numbers and their arithmetic including conversion to decimal numbers and the XOR operator
  • High school: short theorems and their proofs by induction, the Sprague-Grundy Theory applicable not only to Chomp and iChomp but to all impartial combinatorial games
• Exact algorithms for specific classes of positions
• A hypothesis about similarities between losing positions in Chomp and primary numbers

Note: upon purchase, you can access the Chomp and iChomp mini-courses by signing in and choosing Chomp and iChomp in the games menu. On these pages, the mini-courses are in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

School Wide Proof by Induction Access [$100.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Through a simple step-by-step example, the reader learns how to apply the proof by induction technique.
• Then, the reader can practice applying this technique by performing 46 different proofs by induction for summation rules, product rules, theorems about divisibility and Fibonacci sequences.
• All proofs can be followed step-by-step in an example mode then performed interactively by the user.
• This unique learning tool allows the user complete freedom in how they formulate each proof.
• Each step is checked by an automatic proof verification system.
• At the end, the user can print a copy of their own proof or have it emailed to them.

Note: upon purchase, you can access the Proof by Induction site by signing in and choosing Induction in the Games menu.

This product is only available in English, Persian, Azerbaijani, Khmer, Vietnamese, German.

School Wide Mazes Access [$100.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Mazes tutorial
• These are typical mazes fulfilling two simple conditions:
  • any two points can be linked, and
  • there is no closed path
• Despite its generality, this class of mazes has remarkable properties.
• First the tutorial explains useful notations, then the reader is guided in the discovery of the 6 magic points in every maze and using these points to find the solution.
• 30 progressive questions with illustrated examples that give the reader understanding of the global structures which characterize these mazes.

Note: upon purchase, you can access the mazes tutorial by signing in and choosing Mazes in the games menu. The tutorial is in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

School Wide Written Solutions for Current Year + Interactive Practice [$300.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2023 – 2024 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2022 – 2023 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2021 – 2022 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2020 – 2021 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2019 – 2020 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2018 – 2019 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2017 – 2018 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2016 – 2017 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

School Wide 2015 – 2016 Practice Tests + Written Solutions Access [$180.00 CAD]

This purchase gives an entire school access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

All Inclusive Individual Math Pass Without Contest Participation [$120.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the current Caribou Cup after each math contest on the page View Written Solutions
• Answers and written solutions for every prior math contest since 2009 and including every grade level on the page View Written Solutions
• Interactive practice for these math contests on the page Take a Past math Contest
• Unlimited access to interactive games on the games page
• The Calcrostic Book which can be accessed and printed under the Calcrostic Puzzle Book page along with hundreds of bonus interactive Calcrostic puzzles
• All of our mini-courses & tutorials accessible from the games page:
  • Chomp + iChomp
  • Geometree
  • Proof by Induction
  • Mazes

Note: this purchase does not include contest participation. It is intended for those who are already participating through their school or those who want to practice but do not want to participate in the contests.

Note: Practice Tests, which are included in this bundle, cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Calcrostic Book [$40.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• This gives access to the Calcrostic Puzzle book which can be accessed and printed under Prepare > More > Calcrostic Puzzle Book along with hundreds of bonus interactive Calcrostic puzzles.
• This book introduces the reader to calcrostic puzzles. A useful tool for preparing for calcrostic puzzles on contests, this is also suitable for anyone who enjoys mathematical puzzles like Sudoku, Kakuro, Magic Squares, etc.
• Different solving techniques are explained and demonstrated with examples. Apart from logical thinking when creating case distinctions one can use algebra for formulating and solving simple equations, inequalities, the pigeonhole principle, divisibility rules up to more challenging algebra when trying to solve rational calcrostic puzzles. A collection of calcrostics for the different types provides practice material for a wide range of difficulty levels suitable for students from grade 3/4 to 11/12.
• Contents:
  • 1. What is a Calcrostic?
  • 1.1. Did you know?
  • 2. How to Solve Calcrostics?
  • 2.1. Clues, clues, clues
  • 2.2. An Example Solution
  • 2.3. More Solutions
  • 2.4. Puzzles involving Rational Numbers
  • 2.4.1. Qualitative Description
  • 2.4.2. Partial Fraction Decomposition of Rational Numbers
  • 2.4.3. Conclusions and Examples
  • 3. Integer 3 × 3 Problems
  • 4. Integer 3 × 3 Problems with Diagonals
  • 5. Rational 3 × 3 Problems
  • 5.1. A 3 × 3 Problem with Solution
  • 5.2. More 3 × 3 Problems
  • 6. Rational 5 × 5 Problems
  • 6.1. A 5 × 5 Problem with Solution
  • 6.2. More 5 × 5 Problems
  • 7. Rational 7 × 7 Problems
  • 7.1. A few 7 × 7 Problems with Solution
  • 7.2. More 7 × 7 Puzzles

Note: the book is a pdf file. Upon purchase, you can access the book by signing in and selecting it under the More > Calcrostic Puzzle Book under the Prepare menu.

This product is only available in English.

Individual GeomeTree Access [$40.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• 56 interactive geometry worksheets grouped into 9 categories
• Curriculum material, interactive constructions as well as formula discovery and proofs
• Progressive content suitable for elementary, middle, and high school students
• Worksheets are organized in a tree of dependencies to guide students through a structured and consistent experience of learning and discovery
• Each worksheet has an introduction, guided interactive construction, a summary page and a quiz
• Interested students can tackle challenges beyond the school curriculum including the geometry of playing billiards, the construction of 72°, 36°, 18°, 9° angles, constructing a pentagon and a 17-gon
• No prerequisites are required

Note: upon purchase, you can access GeomeTree by signing in and choosing GeomeTree in the Games menu.

This product is only available in English, French, Chinese, Ukrainian, Khmer, Vietnamese, Malay, Turkish, German.

Individual Chomp + iChomp Access [$20.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Chomp and iChomp mini-courses
• No prerequisites are needed, as everything is derived from first principles
• Over 60 questions and their answers guide the reader in their study
• Progressive content suitable for all grade levels:
  • Elementary school: hints for improving playing strength
  • Middle school: introduction of binary numbers and their arithmetic including conversion to decimal numbers and the XOR operator
  • High school: short theorems and their proofs by induction, the Sprague-Grundy Theory applicable not only to Chomp and iChomp but to all impartial combinatorial games
• Exact algorithms for specific classes of positions
• A hypothesis about similarities between losing positions in Chomp and primary numbers

Note: upon purchase, you can access the Chomp and iChomp mini-courses by signing in and choosing Chomp and iChomp in the games menu. On these pages, the mini-courses are in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

Individual Proof by Induction Access [$20.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Through a simple step-by-step example, the reader learns how to apply the proof by induction technique.
• Then, the reader can practice applying this technique by performing 46 different proofs by induction for summation rules, product rules, theorems about divisibility and Fibonacci sequences.
• All proofs can be followed step-by-step in an example mode then performed interactively by the user.
• This unique learning tool allows the user complete freedom in how they formulate each proof.
• Each step is checked by an automatic proof verification system.
• At the end, the user can print a copy of their own proof or have it emailed to them.

Note: upon purchase, you can access the Proof by Induction site by signing in and choosing Induction in the Games menu.

This product is only available in English, Persian, Azerbaijani, Khmer, Vietnamese, German.

Individual Maze Access [$10.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Access to the Mazes tutorial
• These are typical mazes fulfilling two simple conditions:
  • any two points can be linked, and
  • there is no closed path
• Despite its generality, this class of mazes has remarkable properties.
• First the tutorial explains useful notations, then the reader is guided in the discovery of the 6 magic points in every maze and using these points to find the solution.
• 30 progressive questions with illustrated examples that give the reader understanding of the global structures which characterize these mazes.

Note: upon purchase, you can access the mazes tutorial by signing in and choosing Mazes in the games menu. The tutorial is in the "Some Food for Thought" section at the bottom of the page.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, German.

Grade K/1 Written Solutions for Current Year + Interactive Practice [$0.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade K/1 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

Grade 2 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 2 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 3/4 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 3/4 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 5/6 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 5/6 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 7/8 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 7/8 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 9/10 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 9/10 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

Grade 11/12 Written Solutions for Current Year + Interactive Practice [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions after each Grade 11/12 contest of the current Caribou Cup (2024 – 2025) on the page View Written Solutions
• Interactive practice after each contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. This purchase is ideal for students participating in the current year's contests who want to check their solutions or those who want to try out the current year's contests and see the solutions without participating in the contests themselves.

All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2023 – 2024, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2023 – 2024, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2023 – 2024 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2022 – 2023, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English.

2022 – 2023, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2022 – 2023, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2022 – 2023 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2021 – 2022, Grade K/1 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade K/1 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2021 – 2022, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2021 – 2022 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2020 – 2021, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2020 – 2021, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2020 – 2021 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2019 – 2020, Grade 2 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 2 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2019 – 2020, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2019 – 2020 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2018 – 2019, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2018 – 2019, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2018 – 2019 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2017 – 2018, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2017 – 2018, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2017 – 2018 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2016 – 2017, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2016 – 2017, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2016 – 2017 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

There are multiple options available for this product:

2015 – 2016, Grade 3/4 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 3/4 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 5/6 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 5/6 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 7/8 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 7/8 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 9/10 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 9/10 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.

2015 – 2016, Grade 11/12 Practice Tests + Written Solutions [$18.00 CAD]

This purchase gives an individual student access to the following for the duration of the current Caribou Cup (July 2024 – June 2025):

• Answers and written solutions for the Grade 11/12 contests of the 2015 – 2016 Caribou Cup on the page View Written Solutions
• Interactive practice for these contests on the page Take a Past Contest
• Bonus: unlimited access to interactive games on the games page

Note: this purchase does not include contest participation. All-inclusive bundles can be purchased.

Note: Practice Tests cannot be taken on contest days — be sure to prepare at least a few days in advance for any upcoming contests.

This product is only available in English, French, Persian, Chinese, Ukrainian, Azerbaijani, Khmer, Vietnamese, Malay, Turkish, German.