Missing Addends

Front

__ + 6 = 18

Back

12

Front

4 + __ = 16

Back

12

Front

2 + __ = 10

Back

8

Front

3 + __ = 13

Back

10

Front

__ + 4 = 10

Back

6

Front

What is a missing addend?

Back

A missing addend is a number that needs to be added to another number to reach a specific total.

Front

How do you find a missing addend?

Back

To find a missing addend, subtract the known number from the total.

Front

If 5 + __ = 15, what is the missing addend?

Back

10

Front

If __ + 7 = 20, what is the missing addend?

Back

13

Front

What is the total of 9 and a missing addend that equals 15?

Back

6