Fact family

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 5 can create the facts: 2 + 3 = 5, 3 + 2 = 5, 5 - 2 = 3, and 5 - 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 the addition facts, you can find the subtraction facts using the same numbers.

Front

Complete the fact family: 4 + 2 = 6, 2 + 4 = 6, __ - 2 = 4.

Back

6 - 2 = 4.

Front

Complete the fact family: 8 + 1 = 9, 1 + 8 = 9, __ - 1 = 8.

Back

9 - 1 = 8.

Front

If 10 - 4 = 6, what is the addition fact?

Back

4 + 6 = 10.

Front

What is the missing fact? 5 + 5 = 10, __ - 5 = 5.

Back

10 - 5 = 5.

Front

Which number do we start with when we add?

Back

We start with the first number in the addition sentence.

Front

Complete the fact family: 3 + 5 = 8, 5 + 3 = 8, __ - 3 = 5.

Back

8 - 3 = 5.

Front

What is the sum of 6 and 4?

Back

The sum of 6 and 4 is 10.

Front

What is the difference when we subtract 3 from 7?

Back

The difference is 4.