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Decompose the Number
More or Less
Addition
Subtraction
100

24 = _____ + 12

12

100

What is 10 more than 45?

55

100

17 + 24

41

100

25 - 16

9

200

68 =  26 + _______

42

200

What is 10 less than 81?

71

200

33 + 45

78
200

37 - 15

22

300

42 = 19 + _____

23

300

What is 10 more than 97

107

300

54 + 38

92

300

62 - 35

27

400

100 = 35 + ____

65

400

What is 100 more than 49?

149

400

68 + 22

90
400

74 - 23

51

500

126 = _____ + 18

108

500

What is 20 more than 74?

94

500
112 + 44

156

500

90 - 36

54