Addition
Addition with carrying
Subtraction
Subtraction with borrowing
Subtraction with borrowing
100

55+25

80

100

42+9

51

100
20-8

12

100

20-9

11

100

25-8

17

200

16+33

49

200

25+26

51

200

25-13

12

200

33-18

15

200

52-6

46

300

82+15

97

300

37+38

75

300

39-18

21

300

46-29

17

300

65-29

36

400

61+8

69

400

56+39

95

400

65-34

31

400

51-28

23

400

73-46

27

500

85+13

98

500

76+59

135

500

98-75

23

500

88-49

39

500

87-49

38

M
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