10's
5's
2's
What's the rule?
Addition/Subtraction
100

10, 20, ___, 40, ____.

10, 20, 30, 40, 50

100

5, 10, ___, 20, ___

5, 10, 15, 20, 25

100

2, 4,__, 8, __

2, 4, 6, 8, 10

100

What am I skip counting by?

10, 20, 30, 40, 50

a) 10's

b) 5's

c.) 2's

a.) 10's

100

15 + 5=

20

200

30, ___, ____, 60, 70

30, 40, 50, 60, 70

200

20, 25, 30, ___, ____

20, 25, 30, 35, 40

200

10, 12, ____, ____, ____

10, 12, 14, 16, 18

200

What am I skip counting by?

12, 14, 16, 18, 20

a) 10's

b) 5's

c.) 2's

c.) 2's

200

17 - 5=

12

300

___, 60, ___, 80, ___

50, 60, 70, 80, 90

300

40, ___, 50, 55, ___

40, 45, 50, 55, 60

300

22, ___, 26, ____, ____

22, 24, 26, 28, 30

300

What am I skip counting by?

45, 55, 65, 75, 85

a) 10's

b) 5's

c.) 2's

a.) 10's

300

12 + 6 =

18

400

26, 36, 46, ___, 66, ___

26, 36, 46, 56, 66, 76

400

__, 30, 35, ___, ___

25, 30, 35, 40, 45

400

54, 56, ___, 60, ___

54, 56, 58, 60, 62

400

What am I skip counting by?

55, 60, 65, 70, 75

a) 10's

b) 5's

c.) 2's

b.) 5's

400

19 + 3 =

22

500

63, ___, 83, 93, ____

63, 73, 83, 93, 103

500

85, ___, ___, 100, 105

85, 90, 95, 100, 105

500

88, ___, 92, ____, 96

88, 90, 92, 94, 96

500

What am I skip counting by?

86, 88, 90, 92, 94

a) 10's

b) 5's

c.) 2's

c.) 2's

500

14 + 7 =

21