Addition
Subtraction
Addition
Subtraction
Surprise Addition or Subtraction
100

28 + 33 = 

61

100

36 - 10 =

26

100

45 + 26 =

71

100

78 - 42 =

36

100

81 - 32 =

49

200

88 + 22 =

110

200

45 - 12 = 

33

200

41 + 38 =

79

200

82 - 67 =

15

200

53 + 43=

96

300

37 + 31 =

68

300

62 - 47 =

15

300

51 + 49 =

100

300

80 - 21 = 

59

300

37 + 23 =

60

400

67 + 23 

90

400

54 - 13 =

41

400

71 + 25 =

96

400

84 - 24 =

60

400

76 - 54 =

22

500

155 + 155 = 

310

500

145-122= 

23

500

178 + 478 =

656

500

165-123

42

500

539+378

917

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