Addition and Subtraction Within 20

Front

15 - 5 = ?

Back

10

Front

12 + 7 = ?

Back

19

Front

12 + 8 = ?

Back

20

Front

1 + 3 = ?

Back

4

Front

17 - 4 = ?

Back

13

Front

What is addition?

Back

Addition is combining two or more numbers to get a total.

Front

What is subtraction?

Back

Subtraction is taking one number away from another.

Front

What is the sum of 5 and 3?

Back

8

Front

What is the difference between 10 and 6?

Back

4

Front

If you have 2 apples and you get 3 more, how many apples do you have?

Back

5