Welcome to Sumdog

Sumdog's math games are always free to play, either at home or at school. They cover over 120 numeracy skills, split into 10 levels.

Most are multiplayer, so you can play against thousands of students worldwide.

Because the games are so engaging, students can finally enjoy developing their mental math skills.

What next?

• Try one of our games
  ...race cars, shoot aliens, play soccer, sing on stage...

• See what Sumdog offers
  ...a summary of the free features and tools available

• Browse Sumdog's curriculum coverage
  ...100 mental math skills

• Get your free Teacher login
  ...so you can create logins for all your students

• Buy a school subscription
  ...to analyse students' progress

• Read what's new from Sumdog
  ...read the latest on our blog