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Multiplying and Dividing Rational Numbers Word Problems

Total questions: 63

Worksheet time: 8hrs 17mins

Name
Class
Date
1.
An electrician needs to buy 5 1/2 feet of electrical wire. There are 1 5/6 feet of wire on each spool. How many spools of wire should the electrician buy?
a)
10 1/12
b)
3
2.
A railroad construction crew can lay 1 1/4 mile of track in one day. At that rate, how many days will it take to lay 10 miles of track?
a)
8 days
b)
12 1/2 days
3.
Charlotte collected 3 3/5 pounds of newspaper for the recycling drive. Anthony collected 7 times as much newspaper as Charlotte. How many pounds of newspaper did Anthony collect?
a)
17 lbs
b)
25 1/5 lbs
4.
A cookie factory uses 3/8 of a barrel of oatmeal in each batch of cookies. The factory used 1 1/2 barrels of oatmeal yesterday. How many batches of cookies did the factory make?
a)
9 batches
b)
4 batches
5.
Mr. Moon bought a block of fudge that weighed 9/10 of a pound. He cut the fudge into 3 equal pieces. What was the weight of each piece of fudge?
a)
3/10 of a lb
b)
2 7/10 lbs
6.
A restaurant chef made 6 3/4 jars of pasta sauce. Each serving of pasta requires 3/4 of a jar of sauce. How many servings of pasta will the chef be able to prepare using the sauce?
a)
9 servings
b)
5 servings
7.
Jaime needs to add 3 1/2 cups of flour to a recipe. He only has a 1/2 cup measuring cup. How many scoops of flour does Jaime need to add?
a)
2 scoops
b)
7 scoops
8.
Of the 190 babies born this year at Rug Rat Hospital 13/19 had blue eyes. How many babies had blue eyes?
a)
130 babies
b)
277 babies
9.
Hungry Henry ate 3/5 of the 8 dishes of lasagna. How many dishes of lasagna did he eat?
a)
4 4/5 dishes
b)
13 
10.
Find the product.  Then, simplify.
a)
2/24
b)
3/24
c)
1/12
d)
3/16
11.
3.8 x 4
a)
1.52
b)
7.8
c)
7.08
d)
15.2
12.
Multiply. Write your answer in simplest form.
a)
27/40
b)
-27/40
c)
5/6
d)
-5/6
13.
-⅞(-⅗)
a)
21/40
b)
-21/40
c)
10/40
d)
-10/40
14.
Divide.
a)
-2/3
b)
2/3
c)
-3/8
d)
3/8
15.
Divide.
a)
-1/10
b)
-5/8
c)
-2/20
d)
5/8
16.
What is the quotient of these fractions in lowest terms?
a)
6/40
b)
6/10
c)
3/5
d)
12/20
17.
Make sure your final answer is in simplest form!
a)
-39/5
b)
-52/15
c)
-5
18.
Make sure your final answer is in simplest form!
a)
3/8
b)
2/11
c)
1/24
19.
Make sure your final answer is in simplest form!
a)
37/15
b)
555/49
20.
-⅔ × -⅘
a)
2/3
b)
-6/8
c)
8/15
d)
-8/15
21.
Find the product. 
a)
2/14
b)
1/49
c)
2/7
d)
1/14
22.
Find the product.
a)
3/50
b)
30/5
c)
6
d)
1  1/5
23.
-6/7 × ⅔ 
a)
-8/10
b)
-18/14
c)
-12/21
d)
-4/7
24.
Find the product.  Then, simplify.
a)
10/18
b)
5/9
c)
10/6
d)
15/12
25.
Multiply.                        1 1/3 X 5 3/4 =
a)
23/3
b)
5 3/12
c)
7 2/3
d)
92/12
26.
Divide.
a)
-1/10
b)
-5/8
c)
-2/20
d)
5/8
27.
1/4  ÷  2/5
a)
5/8
b)
2/20
c)
1/10
d)
3/9
28.
5 ÷ ⅕
a)
⅕
b)
1/25
c)
5
d)
25
29.
8.45 X 9 =
a)
77.48
b)
8.47
c)
76.05
d)
9.45
30.
0.2 x 0.8
a)
16
b)
0.16
c)
0.016
d)
1.6
31.
5.78 x 3.5
a)
0.223
b)
2.23
c)
22.3
d)
20.23
32.
Calculate
1.08÷4
a)
2.7
b)
0.27
c)
2.07
d)
.20
33.
Calculate
0.6÷5
a)
0.1
b)
0.12
c)
0.012
d)
1.02
34.
Calculate
7.8÷0.03
a)
2.6
b)
26
c)
260
d)
.26
35.
Celeste bought 4.6m of fabric that cost $3.57 per meter. What was her total cost?
a)
$1.64
b)
$16.42
c)
$16.56
d)
$165.60
36.
Jackie earns $8.95 per hour.  This week she worked 7.5 hours.  How much did she earn this week?
a)
$67.125
b)
$67.12
c)
$67.13
d)
$68.00
37.
Bella skates 2/3 miles every day. How many miles does she skate each week?
a)
14/3 miles
b)
16/3 miles
c)
1/3 miles
d)
15 miles
38.
Olivia set aside 5/6 of an hour for homework after school each day. How many hours of homework does she do in 5 days?
a)
3 1/2 hours
b)
4 1/2 hours
c)
4 1/6 hours
d)
50 minutes
39.
 Jackie rode her bike around Capaha Park last week. The trail is 8.54 miles long. If she rode around the park 4 times last week, how many miles did she travel in all?
a)
3.41 miles
b)
8.54 miles
c)
34.16 miles
d)
341.6 miles
40.
Claude cuts a piece of paper that is 8.25 inches wide into 5 pieces of equal width. Which shows the width of each piece of paper?
a)
16.5 inches
b)
0.165 inch
c)
0.65 inch
d)
1.65 inches 
41.
Jason has a piece of wire that is 62.4 inches long. He cuts the wire into 3 equal pieces. Which is the best estimate of the length of each piece of wire? 
a)
30 inches
b)
3 inches
c)
20 inches
d)
2 inches
42.
Paw Kaw bought a steak that weighs 1.4 pounds. The price is $4.50 per pound. How much does the steak cost?
a)
$4.20
b)
$6.90
c)
$22.50
d)
$6.30
43.
a)
7
b)
13
c)
24
d)
26
44.
a)
3  3/4 m
b)
3  1/2 m
c)
3  1/6 m
45.
a)
9
b)
8
c)
7
d)
6
46.
a)
$37.41
b)
$37.21
c)
$36.41
d)
$36.00
47.
Melanie is training for a track meet. She ran 11  and 1/4 miles total, 5 days this week. How far did Melanie run each day? (First, write the problem. Then, solve). 
a)
2  1/4 miles
b)
56  1/4 miles
c)
3 miles
d)
4 miles
48.

Alexandra made a rectangular quilt that measured 3 and 1⁄4 feet in length by 2 and 3⁄4 feet in width. What is the area?

a)
8 and 15⁄16 square feet
b)
8 and 5⁄6 square feet
c)
8 and 10⁄12 square feet
49.

If there were 12 people at a pizza party and each person ate 1/4 of a pizza, then how many pizzas were eaten?

a)

48

b)

3

c)

2

d)

8

50.

The temperature is dropping at a rate of 2½ degrees for 4¼ hours. How much did the temperature change?

a)

10 and 5/8

b)

-10 and 5/8

c)

-1 and 7/10

d)

1 and 7/10

51.

Valerie bought a 9 ft piece of ribbon from which she wants to cut into 2/3 ft pieces. How many 2/3 ft pieces can Valerie cut?

a)

13.5

b)

6

c)

9

d)

This is not possible.

52.

A grocery store sells chicken for $3.30 per pound. What would be the cost of 2 1/2 pounds of chicken?

a)

$8.00

b)

$8.25

c)

$82.50

d)

$0.80

53.

A team of workers took 225.5 hours to complete a task. A smaller team of workers will complete the same task, but it will take them 1.5 times as long as it took the first team. How long will it take the smaller team to complete the job?

a)

338.25 hours

b)

3382.50 hours

c)

33.82 hours

d)

400 hours

54.

A puppy weighed 1.2 lbs at birth. At the end of 8 months the puppy weighed 10 3/4 times its birth weight.How many pounds did the puppy weigh at the end of 8 months?

a)

9.6 pounds

b)

86 pounds

c)

12.9 pounds

d)

64 pounds

55.

A recipe for cake requires 1/3 cup of milk. Molly wants to make 4/5 of the recipe. How many cups of milk should Molly use to make the cake?

a)

4/15

b)

5/12

c)

1/5

d)

6/8

56.

The candy store sells candy for $11.50 per pound. Julie buys 4 1/5 pounds of candy. How much was her total cost?

a)

$2.73

b)

$7.30

c)

$44.00

d)

$48.30

57.

Ms. Najera's 3rd period class took 1.75 hours to complete a project. Her smaller 5th period took 1.4 times as long to complete the project. How long did it take Ms Najera's 5th period class to complete the project?

a)

0.35

b)

2.45 hours

c)

8 hours

d)

2 hours

58.

A baby elephant weighed 0.1 tons at birth. After 70 years, the elephant weighs 50 1/2 times its birth weight. How much did the elephant weigh after 70 years?

a)

50 tons

b)

505tons

c)

5.05 tons

d)

55 tons

59.

A recipe for conchas requires 4/5 cups of flour. Estrella wants to make 1/2 of the recipe. How many cups of flour should Estrella use to make the conchas?

a)

1/5

b)

6/8

c)

4/5

d)

2/5

60.

A store sells bananas for $0.35 per pound. Tanya buys 3 3/5 lbs of bananas, How much did Tanya pay?

a)

$1.26

b)

$12.60

c)

$126.00

d)

$3.25

61.

Knyla runs a mile in 7.50 minutes. Daisy takes 1.30 times as long to run a mile. How long does it take Daisy to run a mile?

a)

6.20 minutes

b)

9.75 minutes

c)

97.5 minutes

d)

975 minutes

62.

A recipe for slime requires 1/2 cups of glue. Ximena wants to make 3/4 of the recipe. how many cups of glue should Ximena use to make the slime?

a)

1/2

b)

3/2

c)

6/4

d)

3/8

63.

A baby weighed 7.25 lb at birth. At the end of 8 months, the baby weighed 2 1/2times it's birth weight. How many pounds did the baby weigh at the end of 8 months?

a)

14.5 lb

b)

9.75 lb

c)

18.125 lb

d)

14.125 lb

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