Fact Families

Front

What is a fact family?

Back

A fact family is a group of related mathematical facts that use the same numbers. For example, the numbers 7, 8, and 56 can form the fact family: 7 x 8 = 56, 8 x 7 = 56, 56 ÷ 7 = 8, and 56 ÷ 8 = 7.

Front

How do you complete a fact family?

Back

To complete a fact family, you need to identify all the possible addition and subtraction or multiplication and division equations that can be formed using the same set of numbers.

Front

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

Back

Multiplication and division are inverse operations. In a fact family, if you know the multiplication facts, you can derive the corresponding division facts.

Front

If 12 ÷ 2 = 6, what are the related multiplication facts?

Back

The related multiplication facts are 2 x 6 = 12 and 6 x 2 = 12.

Front

What is the result of 36 ÷ 6?

Back

The result of 36 ÷ 6 is 6.

Front

How can you find a missing number in a fact family?

Back

To find a missing number in a fact family, use the known numbers and the relationships between multiplication and division to solve for the unknown.

Front

What is the missing number in the fact family: 5 x 7 = 35, 7 x __ = 35?

Back

The missing number is 5.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

If 18 ÷ 9 = 2, what is another equation in the same fact family?

Back

Another equation in the same fact family is 18 ÷ 2 = 9.