+5

+10

Addition

Subtraction

100

10

15

100

10

20

100

13+2=?

15

100

Lisa has 2 marbles and Felicia has 3 marbles what is the difference between Felicia's and Lisa’s marbles?

1

200

23

28

200

14

24

200

23+4=?

27
200

10-3=?

7

300

56

71

300

23

33

300

30+8=?

38

300

15-7=?

8

400

54

59

400

40

50

400

35+5?

40

400

20-14=?

6

500

110

115

500

79

89

500

95+15=?

110!

500

35-15=?

20

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