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

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

Back

7

Front

If 9 - 4 = 5, what is 5 + 4?

Back

9

Front

Find the missing number: ? + 7 = 12.

Back

5

Front

If 15 - 9 = 6, what is 9 + ? = 15?

Back

6

Front

What is the related addition fact for 12 - 9 = 3?

Back

3 + 9 = 12

Front

What is the relationship between addition and subtraction?

Back

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

Front

What is the relationship between multiplication and division?

Back

Multiplication and division are inverse operations; one undoes the other.

Front

If 8 + 4 = 12, what is 12 - 8?

Back

4

Front

If 10 - 3 = 7, what is 7 + 3?

Back

10