Adding/Subtracting Within 20

Front

14 + 4 = ?

Back

18

Front

15 - 7 = ?

Back

8

Front

11 - 2 = ?

Back

9

Front

16 + 4 = ?

Back

20

Front

12 - 4 = ?

Back

8

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 4?

Back

6

Front

If you have 7 apples and you add 2 more, how many apples do you have?

Back

9