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

 

sum on blackboard

 

Example 1

Add together:

9 + 3

 

Answer

Start with the bigger number, which is 9, and count on 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 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?

 

boy thinking

10 questions