Addition
Subtraction
Multiplication
100

12+12

24

100

30-10

20

100

5x5

25

200

20+32

52

200

60-17

43

200

6x7

42

300

87+43

130

300

72-100

-28

300

80x3

240

400

39+104

143

400

171-59

112

400

73x12

876

500

72+1009

1081

500

844-839

5

500

170x5

850