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Addition
subtraction
multiply
division
challenge
100

10+10=?

20

100

10-5=?

5

100

4x2

8

100

2/4

2

100

167x24

4008

200

20+10=?

30

200

15-12=?

3

200

8x4

32

200

6/2

3

200

439x89

39071

300

56+12=?

68

300

24-13=?

11

300

10x11

110

300

21/3

7

300

213x43

9159

400

78+24=

102

400

69-34=?

35

400

7x12

84

400

10/5

2

400

436x21

9156

500

543+68=?

611

500

789-65=?

724

500

9x14

126

500

120/6

20

500

1200x34

40800