Addition and Subtraction within 20

Front

100 - 50 = ?

Back

50

Front

11 - 2 = ?

Back

9

Front

0 + 0 = ?

Back

0

Front

14 + 6 = ?

Back

20

Front

10 + 2 = ?

Back

12

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 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 eat 2, how many do you have left?

Back

5 apples.