Welcome to Sumdog's maths contests

Sumdog’s online maths contests are a fun way to motivate your pupils 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 pupils to practise maths, have fun and boost their confidence.

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

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Join your next Maths contest

Compete with schools across your local area in your next maths 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 pupils 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 personalised 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

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

Pupils 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 pupil achievements and encourage school-wide participation!
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Sumdog Contest Poster

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


Download (PDF 184KB)
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Achievement Certificate

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


Download (PDF 112KB)
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Parent Contest Letter

Let parents know about the contest so they can encourage and motivate children to play at home.


Download (PDF 1MB)

'Sumdog is amazing! All the pupils love playing the interactive games and even more so when they can compete against each other!'


Lynne McClelland, Teacher

Airdrie Academy, UK


We're here to help!

Can't find the answer you're looking for? Check out our Contests Supoort Centre or get in touch with our Support team.