Addition
Subtraction
Multiplication
100

20+20=

40

100
20-12=

8

100

2x9=

18

200

40+30=

70

200

40-16=

24

200

3x3=

9
300

120+60=

180

300

50-19=

31

300

3x6=

18

400

125+75=

200

400

125-40=

115

400

4x9=

36

500

205+76=

281 

500

300-150=

150

500

5x9=

45