In this activity, we are going to practise adding numbers up to 20.

Example 1

Add together:

9 + 3

Answer

Start with the bigger number, which is 9, and count on 3 more numbers.

9   10   11   12

The answer is 12.

Example 2

Add together:

7 + 11

Answer

Start with the bigger number, which is 11, and count on 7 more numbers.

11   12   13   14   15   16   17   18

The answer is 18.

Are you ready to have a go at some questions now?