Front

15 20 ______ 30

Back

25

Front

10 15 ____ 25 30

Back

20

Front

What two numbers are missing: 2, ____, 6, ____, 10?

Back

4 and 8

Front

Count by 2's. What number comes next?

Back

14

Front

Skip count by 5 to fill in the missing number. 0, 5, 10, _ , 20

Back

15

Front

Skip count by 10 to fill in the missing number: _ , 20, 30, 40, 50

Back

10

Front

What two numbers are missing: 2, ____, 6, ____, 10?

Back

4 and 8