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Review
100

1/5 + 3/4

19/20

100

9/10 - 2/3

7/30

100

6.78 + 10.5

17.28

100

45.9 - 10.2

35.7

100

Round 16.894 to the nearest hundredth. 

16.89

200

2/3 + 5/7

1 8/21 or 29/21

200

5/6 - 4/7

11/42

200

-13.8 + 18.5

4.7

200

-14.5 - 2.3

-16.8

200

Multiply:  -18.9(-3.4)

64.26

300

-7/10 + 2/3

-1/30

300

-3/8 - 2/5

-31/40

300

-3.894 + 2.1

-1.794

300

-8.67 - (-12.8)

4.13

300

Divide:   -3.108/-0.3

10.36

400

-5/6 + (-4/7)

-1 17/42 or -59/42

400

-5/9 - (-6/7)

19/63

400

-9.786 + (-10.3)

-20.086

400

-19.85 - 0.854

-20.704

400

-15 + (-26) - (-18)

-23

500

-1 5/7 + 5

3 2/7 or 23/7

500

-2 3/5 - 1 1/2

-4 1/10 or -41/10
500

-9.67 + 18

8.33

500

-15.84 - 2.5 - 3.456

-21.796

500

54 + (-80) - (-35) + (-18) - (-70)

61