Subtraction within 20

Front

17 - 16 =

Back

1, one

Front

10 - 7 =

Back

3, three

Front

18 - 15 =

Back

3, three

Front

15 - 5 =

Back

10, ten

Front

4 - 3 =

Back

1, one

Front

Subtraction is:

Back

The process of taking one number away from another.

Front

What is the result of 20 - 20?

Back

0, zero

Front

If you have 5 apples and give away 2, how many do you have left?

Back

3 apples

Front

What is 12 - 4?

Back

8, eight

Front

What is 9 - 6?

Back

3, three