Addition and Subtraction Within 20

Front

15 - 5 = ?

Back

10

Front

20 - 10 = ?

Back

10

Front

14 - 7 = ?

Back

7

Front

6 - 3 = ?

Back

3

Front

12 + 7 = ?

Back

19

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 8 and 5?

Back

13

Front

What is the difference between 10 and 4?

Back

6

Front

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

Back

5