Addition
New Group Addition
Subtraction
More Subtraction
Regrouping Subtraction
100

46 + 4

50

100

56 + 36

92

100

28-14

14

100

43-28

15

100

74 - 8

66

200

3 + 39

42

200

78 + 6

84

200

57-26

31

200

50-18

32

200

51 - 12

39

300

26 + 71

97

300

44 + 17

61

300

78-25

53

300

80-37

43

300

60-15

45

400

11 + 47

58

400

18 + 62

80

400

48-13

35

400

64-45

19


400

42-34

8

500

36 + 53

89

500

25 + 67

92

500

100-50

50

500

101-68

33

500

100-58

42

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