Addition and Subtraction

Front

Missing addend: 5, 6, 6, 8

Back

5

Front

6 + 2 = ?

Back

8

Front

8 + 1 = 1 + 8 = ?

Back

9

Front

Start with the greater number. Count on to add.

Back

13

Front

6 + 6 + 2 = ?

Back

14

Front

12 - 4 = ?

Back

8

Front

Switch the addends: 5 + 1

Back

6

Front

Use the fact family to find the difference.

Back

9

Front

Add doubles, then subtract.

Back

16 / 8

Front

Find the missing addend: 7, 9, 6, 10

Back

7