Add 3 numbers (timed)

Add three numbers with totals up to 20. Just one minute to answer as many as possible.

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

Add three numbers with totals up to 20.

Add whole tens with bar modelling.

Add three numbers with totals up to 20.

Add three numbers with totals up to 20.

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