Add and Subtract within 20

Front

16 - 8 = ?

Back

8

Front

8 - 8 = ?

Back

0

Front

14 - 7 = ?

Back

7

Front

9 - ___ = 9

Back

0

Front

6 - 0 = ?

Back

6

Front

What is subtraction?

Back

Subtraction is taking away a number from another number.

Front

What is the result of subtracting a number from itself?

Back

The result is always 0.

Front

What is the identity property of subtraction?

Back

Subtracting 0 from a number does not change the number.

Front

If you have 10 apples and give away 5, how many do you have left?

Back

5

Front

What is the difference between 12 and 5?

Back

7