Speedy adding 9

Add 10 and subtract 1 to help answer these questions really quickly.

Create my FREE account

including a 7 day free trial of everything

Email Address

Password

Newsletter

The URBrainy email newsletter (sent every 2 weeks) provides resource updates and helpful guides for teaching and learning.

Yes, I would like to receive the URBrainy newsletter.

I agree to the Terms and Conditions and Privacy Policy

Already have an account? Sign in

Plenty of addition of a single digit to a 2-digit number, with the help of a 1-100 number square.

Clever tricks to add 9 quickly to any 2-digit number.

These can often be done by counting on.

Today we are going to look at a quick way that you can add 9 to a number.

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