Show:
multiplication
division
subtracting fractions
100

what is 9x12 

108

100

6 divided by 0

0

100

15/20-13/20

2/20

200

11x10

110

200

1234 divided by 12

102 remainder 8

200

150/200-36/200

57/200

300

13x12

156

300

1760 divided 36

48 remainder 8

300

blah blah 

you get free points 

400

14123x12

1476

400

4324 divided 8

540 remainder 5 

400

hah ha 

free points 

500

4937x55

271535

500

123456 divided 99

1247

500

dada 

fee fee you get free points