Addition
Subtraction
Addition
Subtraction
Addition
100

12 + 18 =

30

100

15 - 8 =

7

100

14 + 8 =

22

100

13 - 8

5

100

17 + 13

30

200

36 + 25 = 

61

200

24 - 12 =

12

200

21 + 19

40

200

35 - 15

20

200

28 + 19

47

300

44 + 44 =

88

300

47 - 25 =

22

300

36 + 23 =

59

300

47 - 23

24

300

53 + 25

78

400

68 + 43

111

400

63 - 27

36

400

56 + 42

98

400

74 - 36

38

400

75 + 30

105

500

112 + 135

247

500

136 - 56

80

500

98 + 53

151

500

125 - 35

90
500

147 + 13

160