multiplying
dividing
addition
subtraction
100

what is 12x8

96

100

what is 21/7

100

what is 40+41

81

100

what is 22-1

21

200

what is 7x7

49

200

what is 24/8

3

200

what is  18+18

36

200

what is 14-11

3

300

what is 8x8

64

300

what is 9/3

6

300

what is 20+24

44

300

what is 23-16

7

400

what is 6x7

42

400

what is 56/7

8

400

what is 165+201

366

400

what is 56-28

28

500

what is 12x8

96

500

what is 81/9

9

500

what is 350+350

400

500

what is 250-51

199