Subtraction Facts to 20

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another. It shows how many are left after some are taken away.

Front

What is the result of 16 - 8?

Back

8

Front

What is the result of 18 - 9?

Back

9

Front

What is the result of 10 - 9?

Back

1

Front

What is the result of 20 - 10?

Back

10

Front

What is the result of 17 - 9?

Back

8

Front

What does the minus sign (-) mean in subtraction?

Back

The minus sign means to take away or subtract.

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

7

Front

What is a subtraction fact?

Back

A subtraction fact is a simple subtraction problem that can be solved using basic numbers.

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations. If you add a number and then subtract the same number, you return to the original number.