Caribou in Covid: Contests are running online as usual. Check out the FAQ for further questions.
Tired of waiting?
Check out our online math learning resources to keep you busy and prepared for the next contest!
Happy Holidays!
We wish you all a safe, happy, and healthy holiday with friends & family.
Next interactive game: Skyscrapers!
Click to go to the Skyscrapers games page to practice for the February contest.
Happy New Year!
To our friends in China and around the world, we wish you a great Year of the Bull!
Caribou Matematik Türkiye
Click to go to the new website for registration and FAQ for Turkish participants.
Caribou during COVID?
Students can access all content, even the contests, from home or school.
Click to see common COVID-related questions.
Random Game: Unknotting
Don't go tying yourself into knots to unravel this puzzle! A one-of-a-kind interactive intro to the subject of topology.
Today's Calcrostic Puzzle
ab × c = bdb - × × / + ed × ec = fbcg = = = = = h × bfc = fdfb
Yesterday's Solution
120 + 105 = 225 / - / / - 8 × 15 = 120 = = = = = 15 × 7 = 105
Follow or subscribe for updates: