Add to a teen

Add a small number to a 2-digit number below 20.

Create my FREE account

including a 7 day free trial of everything

Email Address

Password

I agree to the Terms and Conditions and Privacy Policy

Already have an account? Sign in

Use a number line to help add these whole tens.

Help Freddie find as many ways as he can of making 10, using 3 hops along the number line.

Addition page especially for left handed children.

Addition pages especially for left handed children.

The latest news, articles, and resources, sent to your inbox weekly.

URBrainy named one of the World’s Top EdTech Companies by TIME Magazine.