Addition
Subtraction
Which is closer to zero?
Multiplication
Division
100

68+30

98

100

81-27

54

100

100 or 104

100

100

6 x 9

54

100

93/31

3

200

87+82

169

200

70-28

42

200

12.5 or 12.25

12.25

200

11 x 33

363

200

96/6

16

300

115+895

1010

300

569-352

217

300

-12 or -10

-10

300

42 x 12

504

300

68/17

4

400

487+968

1455

400

932-139

793

400

-15.5 or 20

-15.5

400

48 x 46

2208

400

1512/63

24

500

5197+7970

13167

500

7633-5605

2028

500

-24.75 or 23

23

500

219 x 734

160746

500

33375/267

125