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 form the fact family: 2 x 3 = 6, 3 x 2 = 6, 6 ÷ 2 = 3, and 6 ÷ 3 = 2.

Front

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

Back

In a fact family, addition and subtraction are related. If you know that 4 + 3 = 7, you also know that 7 - 4 = 3 and 7 - 3 = 4.

Front

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

Back

In a fact family, multiplication and division are related. If you know that 5 x 4 = 20, you also know that 20 ÷ 5 = 4 and 20 ÷ 4 = 5.

Front

Solve: 18 ÷ 9 = ?

Back

2

Front

Solve: 64 ÷ 8 = ?

Back

8

Front

Solve: 36 ÷ 6 = ?

Back

6

Front

Which operation would you use to find a missing number in a fact family?

Back

You can use addition, subtraction, multiplication, or division to find a missing number in a fact family.

Front

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

Back

8 - 5 = 3 and 8 - 3 = 5.

Front

If 7 x 6 = 42, what is the related division fact?

Back

42 ÷ 7 = 6 and 42 ÷ 6 = 7.

Front

What is the first step in solving a division problem?

Back

Identify the dividend (the number being divided) and the divisor (the number you are dividing by).