Fact Families: Addition and Subtraction

Front

What is a fact family?

Back

A fact family is a group of related addition and subtraction number sentences that use the same numbers.

Front

If 3 + 4 = 7, what is 7 - 4?

Back

3

Front

Which number sentence is NOT part of the fact family: 10, 4, and 6? 10 - 4 = 6, 4 + 6 = 10, 10 - 6 = 4, 10 + 4 = 14

Back

10 + 4 = 14

Front

If 8 + 5 = 13, what is 13 - 8?

Back

5

Front

What does it mean to subtract?

Back

To subtract means to take away a number from another number.

Front

If 12 - 5 = 7, what is 5 + 7?

Back

12

Front

Which number sentence is NOT in the fact family for: 9, 3, and 6? 3 + 6 = 9, 9 - 3 = 6, 6 - 3 = 2, 9 - 6 = 3

Back

6 - 3 = 2

Front

If 15 + 5 = 20, what is 20 - 15?

Back

5

Front

What is the relationship between addition and subtraction?

Back

Addition and subtraction are inverse operations; one undoes the other.

Front

If 6 + 2 = 8, what is 8 - 6?

Back

2