Caribou in Covid: Contests are running online as usual. Check out the FAQ for further questions.
Congratulations to all participants!
Thank you for all of your hard work this year.
Prizewinners will be notified once results are finalized.
Free Math Resources and Contest Participation for Ukrainian Children
Students from Ukraine can try Caribou content for free. Go to the Online Shop for details.
Practice for the interactive Calcrostic challenge
Flex your math muscles and sleuthing skills!
For more puzzles, pick up the Puzzle Book in our Online Shop!
Have a great summer!
Take a well-deserved break and see you in October for the 2022-2023 Caribou Cup.
Tired of waiting?
Check out our online math learning resources to keep you busy and prepared for the next contest!
Caribou during COVID?
Students can access all content, even the contests, from home or school.
Click to see common COVID-related questions.
Random Game: Induction
Build proofs by induction interactively and step-by-step. Our automatic proof-verification system will check it for you!
Today's Calcrostic Puzzle
abc / db = ec + / × × - afbc / dgg = hh = = = = = jegc / dabj = h
Yesterday's Solution
2178 / 726 = 3 - / / × + 2112 / 22 = 96 = = = = = 66 + 33 = 99
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