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 a fact family?

Back

The numbers in a fact family are the same for all the related facts. For example, in the fact family of 2, 1, and 3, the numbers are 1, 2, and 3.

Front

How many equations are in a fact family?

Back

A fact family has four equations: two addition and two subtraction or two multiplication and two division.

Front

What is the addition equation in the fact family of 1, 2, and 3?

Back

1 + 2 = 3 and 2 + 1 = 3.

Front

What is the subtraction equation in the fact family of 1, 2, and 3?

Back

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

Front

If 4 + 5 = 9, what are the related facts?

Back

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

Front

Can a fact family include multiplication and division?

Back

Yes, a fact family can include multiplication and division facts using the same numbers.

Front

What is the multiplication equation in the fact family of 2, 3, and 6?

Back

2 x 3 = 6 and 3 x 2 = 6.

Front

What is the division equation in the fact family of 2, 3, and 6?

Back

6 ÷ 2 = 3 and 6 ÷ 3 = 2.

Front

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

Back

Yes, it is part of the fact family with 1, 1, and 2.