Missing Addends

Front

10 + ____ = 21

Back

11

Front

6 + ____ = 11

Back

5

Front

5 + ____ = 10

Back

5

Front

7 + ____ = 13

Back

6

Front

9 + ____ = 18

Back

9

Front

What is a missing addend?

Back

A number that needs to be added to another number to reach a total.

Front

If 3 + ____ = 7, what is the missing addend?

Back

4

Front

If 2 + ____ = 5, what is the missing addend?

Back

3

Front

If 4 + ____ = 10, what is the missing addend?

Back

6

Front

If 8 + ____ = 15, what is the missing addend?

Back

7