Adding/Subtracting Within 20

Front

17 + 2 = ?

Back

19

Front

15 - 7 = ?

Back

8

Front

16 + 4 = ?

Back

20

Front

14 + 4 = ?

Back

18

Front

11 - 2 = ?

Back

9

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Front

What is the sum of 10 and 5?

Back

15

Front

What is the difference when you subtract 3 from 10?

Back

7

Front

If you have 8 apples and you add 4 more, how many apples do you have?

Back

12 apples