Fact Families/Related Facts

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

What are the numbers in the fact family for 1 + 2 = 3?

Back

The numbers are 1, 2, and 3.

Front

If 2 + 1 = 3, what is the related subtraction fact?

Back

3 - 1 = 2 and 3 - 2 = 1.

Front

Is 1 + 2 = 3 a part of a fact family?

Back

Yes, it is part of the fact family with 2 + 1 = 3, 3 - 1 = 2, and 3 - 2 = 1.

Front

What is the addition fact for the numbers 2, 3, and 5?

Back

2 + 3 = 5 and 3 + 2 = 5.

Front

What is the subtraction fact for the numbers 5, 3, and 2?

Back

5 - 2 = 3 and 5 - 3 = 2.

Front

Can you create a fact family with the numbers 4, 5, and 9?

Back

Yes, 4 + 5 = 9, 5 + 4 = 9, 9 - 4 = 5, and 9 - 5 = 4.

Front

What is the relationship between addition and subtraction in a fact family?

Back

Addition and subtraction are inverse operations; knowing one helps you find the other.

Front

If you know 3 + 4 = 7, what are the related subtraction facts?

Back

7 - 3 = 4 and 7 - 4 = 3.

Front

What is an example of a fact family using the numbers 6, 2, and 8?

Back

6 + 2 = 8, 2 + 6 = 8, 8 - 6 = 2, and 8 - 2 = 6.