Welcome to Sumdog's math contests
Sumdog’s online math contests are a fun way to motivate your students as they compete against other classes and schools.
Over 48,000 classes take part every year, answering over 3.5 billion questions! It’s a great opportunity for students to practice math, have fun and boost their confidence.
How do contests work?
Easy to try
Fair & adaptive
Fun and engaging
Prizes to be won
Students can win participation prizes, Sumdog coins, and certificates of achievement! Learn more about contest prizes.