Add and Subtract Tens
Additions with Two Digit Numbers
Adding a One Digit and Two Digit Number
Adding Two Two-Digit Numbers
100

40+10

50

100

24 + 5

29

100

14+9

23

100
39 + 22

61

200

80-10

70

200

77 + 2

79

200

37 + 8

45

200

64 + 20

84

300

50-20

30

300

33 + 44

77

300

86 + 5

91

300

74 + 14

88

400

24+50

74

400

42 + 23

65

400

12 + 8

20

400

48 + 25

73

500

87-30

57

500

92 + 5

97

500

77 + 9

86

500

39 + 29

68

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