Addition and Subtraction

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What is a fact family?

Back

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

Front

What is the sum of 5 + 3?

Back

8

Front

What is the difference of 10 - 4?

Back

6

Front

If 6 + 2 = 8, what is the related subtraction fact?

Back

8 - 2 = 6

Front

What does the number line help us do?

Back

The number line helps us visualize addition and subtraction.

Front

What is the missing addend in 5 + ? = 10?

Back

5

Front

What is 9 + 1?

Back

10

Front

What is 12 - 5?

Back

7