Unit 8 Review

Multiplying Decimals

100

0.6 x (-4.5) =

-2.7

200

1.2 x (-0.2) =

-0.24

300

3.2 x (-0.8) =

2.56

400

(-0.8) x (-1.5) =

1.2

500

Jimmy went to the store to buy some candy. If he purchases 5 pieces of chocolate that cost $0.45 each, how much money does he need?

$2.25

Multiplying Fractions

100

3/4 x (-2/5) =

-3/10

200

(-2/3) x (-1/5) =

2/15

300

(-1/3) x (-1/4) =

1/12

400

Natalie made pies for a family gathering to eat for dessert. The recipe calls for 2/3 cup of graham cracker crumbs for the crust of 1 pie. If she needs to make 4 pies, how many cups of graham cracker crumbs does she need?

8/3 OR 2 2/3 cups

500

1/2 x -4 x 3 =

-6

Multiplying and Dividing Integers

100

4 x (-7) =

-28

200

Which of the following is incorrect?

A. (-6) x (-4) = 24

B. (-3) x (-3) = -9

C. (-5) x (-1) = 5

D. (-2) x (-7) = 14

B. (-3) x (-3) = -9

DOUBLES = POSITIVE

300

(-3) x (-5) =

15

400

-30 / -10 =

3

500

-24 / 4 =

-6

Dividing Decimals

100

5 / (-0.1) =

-50

200

1.44 / 0.12 =

12

300

(-3.2) / (-8) =

0.4

400

-0.56 / 0.08 = 

-7

500

4.8 / -1.2 = 

-4

Dividing Fractions

100

(2/3) / (5/6) =

4/5

200

6 / (-1/3)

18

300

(-3/4) / (2/3) = 

-9/8

400

(2/3) / (1/5) =

10/3 OR 3 1/3

500

(-1/5) / (-6/9) = 

3/10