Fact Families and Exploring the Equal Sign

Front

What is a fact family?

Back

A group of related addition and subtraction or multiplication and division equations that use the same numbers.

Front

What does the equal sign (=) mean?

Back

It shows that the two sides of an equation are the same or equal.

Front

If 4 + 5 = 9, what is another way to write this using subtraction?

Back

9 - 4 = 5 or 9 - 5 = 4.

Front

What is the missing number in this equation: 4 + 5 = 3 + ___?

Back

6.

Front

Which addition sentence belongs to the fact family of 2, 4, and 6?

Back

2 + 4 = 6.

Front

What is the missing number in this fact family: 3 + ___ = 7?

Back

4.

Front

What is the missing number in this fact family: 5 + ___ = 10?

Back

5.

Front

What is the missing number in this fact family: 2 + ___ = 5?

Back

3.

Front

If 2 + 6 = 8, what is another addition sentence in the same fact family?

Back

6 + 2 = 8.

Front

What is the sum of 4 and 5?

Back

9.