Missing addition facts to 20

Here we need to fill in the missing numbers. 

You can use your fingers to help you if you like!

 

Look at some examples below:

10 + _____ = 15

The answer is 5

 

6 - _____ = 3

The answer is 3

 

10 - 6 = _____

The answer is 4

 

4 + 8 = _____

The answer is 12

 

Now that you have seen some examples, let’s start the activities!