Skill you are practising: Counting tens and ones - numbers 1 to 20

We strongly suggest that you do not refresh this page as it resets your progress. Questions will be shown automatically. Your target is to achieve 10 stars to earn the certificate of mastery for this skill.
Score: 0
Practice time:

tens + ones =

Oh no! That was incorrect!

Correct answer is:

tens + ones =

Here is an explanation

First, let's check the question

tens + ones =

tens + ones =
Next, let's check the solution.

On the grid shown below, Let's first count the tens. There are tens.

Next we count the ones, Let's count the ones. There are ones.

Enter the number of tens that you've counted, do the same with the number of ones you've counted:

tens + ones =