Fact families adding and subtracting

Front

What is a fact family?

Back

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

Front

If you have the numbers 2, 3, and 5, what are the addition facts?

Back

2 + 3 = 5 and 3 + 2 = 5.

Front

If you have the numbers 2, 3, and 5, what are the subtraction facts?

Back

5 - 2 = 3 and 5 - 3 = 2.

Front

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

Back

Addition and subtraction are inverse operations; knowing one helps you find the other.

Front

What is the sum of 4 and 1?

Back

4 + 1 = 5.

Front

What is the difference when you subtract 1 from 5?

Back

5 - 1 = 4.

Front

If 3 + 2 = 5, what is 5 - 2?

Back

5 - 2 = 3.

Front

What is the first step in creating a fact family?

Back

Identify the three numbers you want to use.

Front

How many addition and subtraction facts can you create from a fact family?

Back

You can create four facts: two addition and two subtraction.

Front

What is the sum of 0 and 7?

Back

0 + 7 = 7.