Addition and Subtraction Within 20

Front

Add. 11 + 5 = ?

Back

16

Front

Subtract. 15 - 7 = ?

Back

8

Front

Add by counting on. 9 + 4 = ?

Back

13

Front

Add by counting on. 11 + 3 = ?

Back

14

Front

Add by counting on. 8 + 3 = ?

Back

11

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 7 and 2?

Back

9

Front

What is the difference between 10 and 4?

Back

6

Front

If you have 5 apples and you get 3 more, how many apples do you have?

Back

8