Fact Families and Exploring the Equal Sign

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

What does the equal sign (=) mean?

Back

The equal sign means that the two sides of the equation have the same value.

Front

If 2 + 3 = 5, what is the related subtraction sentence?

Back

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

Front

What is the missing number in this fact family? 1 + ? = 3

Back

2.

Front

What is the missing number in this fact family? 4 + ? = 7

Back

3.

Front

What is the missing number in this fact family? 5 + ? = 12

Back

7.

Front

Which subtraction number sentence could be in this fact family? 9 - ? = 4

Back

9 - 5 = 4.

Front

What is the missing number in this fact family? 3 + ? = 6

Back

3.

Front

What is the missing number in this fact family? 8 + ? = 10

Back

2.

Front

What is the missing number in this fact family? 6 + ? = 10

Back

4.