Addition and Subtraction Within 20

Front

17 - 4 = ?

Back

13

Front

10 + 7 = ?

Back

17

Front

CHALLENGE: 101 - 1 = ?

Back

100

Front

14 - 7 = ?

Back

7

Front

13 + 3 = ?

Back

16

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 4?

Back

9

Front

What is the difference between 10 and 3?

Back

7

Front

If you have 8 apples and you eat 3, how many do you have left?

Back

5