Welcome to Sumdog's math contests!

Sumdog’s free online math contests are a fun way to motivate your students as they compete against other classes and schools, locally or nationally.

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 the contests work?

Your students play alongside their classmates to compete against other classes and schools, locally or nationally.

They can join in on a smartphone, tablet or computer, in school or at home.

Free to enter

It only takes a couple of minutes to sign up and you can continue using Sumdog for free even when the contest has ended!

Fair and adaptive

Sumdog’s questions are based on accuracy and are tailored to each student’s level – so everyone has a fair chance of winning.

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

You can win prizes, as well as certificates of achievement for your students.

 

Ready to enter a contest?

New to Sumdog:

Sign up for free, then enter.

Already got an account:

Log in and enter your class.

When is the next national contest?

Our next National contest takes place June 11th – June 17th, 2021!

You can log in now to enter your class into the National Summer contest.  Local regional contest dates for 2021-2022 will be announced soon — stay tuned!

Get involved

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

Sumdog Contest Poster

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

Achievement Certificate

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

FAQs

We’re here to help! Can’t find the answer you’re looking for?

Check out our Contests Support Center or get in touch with our Support team.

What grades can take part?

How will the contest know what questions to ask my students?

Is there a minimum or maximum class size to enter a contest?

How do students take part in the contest?

Is there a time limit or set number of questions they have to complete?

How long are the contests?

How are the scores calculated?

Where can I view my class scores?

Are there any prizes?

“After the first day of using the program, I knew it was an instant hit. The next day my students were eagerly asking, well, begging really, to use the program again.”
Sherri Oliver, Teacher, Mount Vernon Community School, VA, USA