Skip counting by 5's

Front

5, 10, ___

Back

15

Front

20, 25, ____

Back

30

Front

0, 5, ___

Back

10

Front

40, 45, ___

Back

50

Front

10, 15, ___

Back

20

Front

35, 40, ___

Back

45

Front

0, ___, 10

Back

5

Front

30, ____, 40

Back

35

Front

15, 20, ____

Back

25

Front

35, ____, 45

Back

40