Add and subtract within 20

Front

1 + 1 = ?

Back

2

Front

1 + 7 = ?

Back

8

Front

2 + 8 = ?

Back

10

Front

12 - 2 = ?

Back

10

Front

20 - 13 = ?

Back

7

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 5 and 3?

Back

8

Front

What is the difference when you subtract 4 from 10?

Back

6

Front

If you have 10 apples and you give away 3, how many do you have left?

Back

7