X
÷
+
-
100
2x5

10

100

10÷ 2

5

100

63+20

83

100

100-1

99

200

3x6

18

200

15÷ 5

3

200

50+50

100

200

34-27

7

300

4x9

36

300

3÷ 3

1

300

124+364

488

300

80-20

60

400

10x10

100

400

100÷ 2

50

400

102+45

147

400

142-63

79

500

11x8

88

500

10÷ 5

2

500

758+245

1003

500

43-17

26