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.

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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.

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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.
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Easy to try

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

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

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

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

New to Sumdog?

Request a trial, then enter.

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Already use Sumdog?

Log in and enter your class.

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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!


Download (PDF 184KB)
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Achievement Certificate

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


Download (PDF 112KB)

'Even within one contest period I can see growth in my children.'


Deb Milka, Teacher

Mattawan Early Elementary School, MI