+, - Facts to 20

Front

10 - 4 = ?

Back

6

Front

18 - 6 = ?

Back

12

Front

3 + 5 = ?

Back

8

Front

14 - 8 = ?

Back

6

Front

8 - 7 = ?

Back

1

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 2 and 3?

Back

5

Front

What is the difference between 10 and 4?

Back

6

Front

What is 7 + 2?

Back

9