About Sumdog

Sumdog's free maths games are designed to improve numeracy in upper primary and lower secondary (students aged 9 to 13).

Covering 100 fine grained numeracy topics, ranging from simple addition to square roots, Sumdog adapts to the skill level of each student, helping them to work through each numeracy topic comprehensively. more...

Sumdog is provided by Crocodile Clips. Since 1994, we have been passionate about producing high quality educational technology. Our software is used by schools in over 50 countries worldwide.

With Sumdog, we're particularly keen to engage children who have fallen behind their peers. If you have any ideas of how we could do better please contact us.