Fact Families

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction (or multiplication and division) facts that use the same numbers.

Front

How many numbers are in a fact family?

Back

3 numbers.

Front

If 5 + 3 = 8, what is the related subtraction fact?

Back

8 - 5 = 3.

Front

If 10 - 4 = 6, what is the related addition fact?

Back

4 + 6 = 10.

Front

What is the addition fact for the subtraction 7 - 2 = 5?

Back

5 + 2 = 7.

Front

Is this a fact family? 4 + 5 = 9, 5 + 4 = 9, 9 - 4 = 5, 9 - 5 = 4?

Back

YES.

Front

If 6 + 2 = 8, what is the other addition fact?

Back

2 + 6 = 8.

Front

If 15 - 10 = 5, what is the related addition fact?

Back

10 + 5 = 15.

Front

What is the missing subtraction fact if 12 + 3 = 15?

Back

15 - 3 = 12.

Front

If 9 + 1 = 10, what is the related subtraction fact?

Back

10 - 1 = 9.