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.

Request a 30-day trial to take part in your next math contest!

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Join your next math contest

Compete with schools across your local area in your next math contest! Log in now to check dates.

How do contests work?

Whether they're learning in school or at home, your students can play alongside their classmates using a smartphone, tablet or computer.

Easy to try

You can try out Sumdog and enter your next local contest by requesting a trial for your school.

Fair & adaptive

Questions are personalized and scores are based on accuracy, so everyone competes at their own level – and any class can win.

Fun and engaging

Students simply answer math questions while playing Sumdog's super fun online activities - they can even do it as homework!

Prizes to be won

Students can win participation prizes, Sumdog coins, and certificates of achievement!

New to Sumdog?

Request a trial, then enter.

Already use Sumdog?

Get involved

Download our free Sumdog resources to celebrate student achievements and encourage school-wide participation!

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Sumdog Contest Poster

Print this poster and put it on your noticeboard to encourage students and colleagues to join in the fun!

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Achievement Certificate

Want to reward your students for their hard work during the contest? Download and personalize these printable certificates.