The Caribou Mathematics Competition or Caribou Cup is an international online math contest held six times over the school year, typically over 2 days in October, November, January, February, April, and May. Each contest is run at the 7 contest levels, Grades K/1, 2, 3/4, 5/6, 7/8, 9/10, and 11/12. Contest questions and solutions are now offered in English, French, Persian, Mandarin, Ukrainian, Khmer, Vietnamese and the list keeps growing! All participants receive certificates for participation and achievement, and top-scoring students can earn cash prizes.