Sumdog for teachers

Sumdog's free educational games motivate your students to practice math, reading and writing - while you have full control over what they learn.

Why use Sumdog?

Fun for students


Students play educational games against others worldwide, while teachers control what they learn.

Powerful adaptivity


Our powerful learning engine understands each student, tailoring questions to their individual needs.

Easy to set up


Set up your school free, then use our automated live class tools to monitor your students' work.

The program that worked was Sumdog...
The results were amazing! 88% of the students got 70%
or above. The class average was 86%!! (more)

Victoria Sabelli, John Winthrop Elem, CT, USA
I absolutely LOVE this website!
I cannot say enough about how user friendly it is.
We have so much fun... Thank you!

M.R., Teacher, Florida, USA

Free stuff for schools

It's free for your kids to play Sumdog - but to help you incorporate Sumdog into your teaching, there's also lots of free stuff that's useful for teachers.

Live tracking


Use Sumdog's live class tool to monitor student activity. See who is doing well - and who needs help.

Exciting contests


Our free math contests have prizes on offer - and our adaptive engine gives everyone a fair chance.

Detailed curriculum


We track hundreds of CCSS aligned skills, tailor each student's learning, and deliver progress reports.

Absolutely awesome! My all-boys class loved
the range of games... I loved the ability
to set activities to their level.

D.S., Teacher, Australia

Subscribe for even more

You can buy subscription places to let you and your students get even more from Sumdog - though there's no obligation to do so.

Sumdog Reading


Sumdog Reading adds thousands of questions covering grammar and vocabulary .

Reports & premium games


Subscribed students get to play new games months before non-subscribers, while activities motivate your students, and reports track their progress.

Sumdog Writing

Students write together with their classmates and friends - while Sumdog's learning engine guides the students, helping them progress.

They really like it when I set up a
class competition. Imagine middle school
students excited about math!

K.K, Teacher, Maryland, USA