Fact Families

Front

What is a fact family?

Back

A fact family is a group of related math facts that use the same numbers. For example, the numbers 2, 3, and 6 can create the fact family: 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, and 5 - 3 = 2.

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

Front

What are the four equations in a multiplication fact family?

Back

In a multiplication fact family, there are two multiplication equations and two division equations. For example, for the numbers 2, 3, and 6: 2 x 3 = 6, 3 x 2 = 6, 6 ÷ 2 = 3, and 6 ÷ 3 = 2.

Tags

CCSS.4.NBT.B.6

Front

Complete the fact family: 4 x ___ = 20

Back

5 (because 4 x 5 = 20).

Tags

CCSS.3.OA.C.7

Front

What is the relationship between multiplication and division in a fact family?

Back

Multiplication and division are inverse operations. If you know a multiplication fact, you can find the related division facts.

Tags

CCSS.4.NBT.B.6

Front

Which equation matches the fact family using 5, 5, and 25?

Back

5 x 5 = 25.

Tags

CCSS.4.NBT.B.6

Front

What number would complete this fact family? 6 x ___ = 36

Back

6 (because 6 x 6 = 36).

Tags

CCSS.3.OA.C.7

Front

Identify the incorrect equation in the fact family using 7, 7, and 49.

Back

7 ÷ 7 = 49 (this is incorrect; it should be 49 ÷ 7 = 7).

Tags

CCSS.4.NBT.B.6

Front

What is the result of 12 ÷ 3?

Back

4 (this is part of the fact family with 3, 4, and 12).

Tags

CCSS.4.NBT.B.6

Front

Complete the fact family: 8 x ___ = 64

Back

8 (because 8 x 8 = 64).

Tags

CCSS.3.OA.C.7

Front

Which equation does NOT match the fact family using 9, 1, and 9?

Back

9 ÷ 1 = 9 (this is correct; the incorrect one would be 1 x 9 = 8).

Tags

CCSS.4.NBT.B.6