Unit Test — Unit test Answers

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Mustafa’s horse ate 6,400 pounds of hay last year. How could Mustafa determine the number of tons of hay his horse ate last year?

A
by dividing 6,400 by 16
B
by multiplying 6,400 by 16
C
by dividing 6,400 by 2,000
D
by multiplying 6,400 by 2,000
2
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Mrs. Berry’s class organized the lunch orders for their upcoming party in the table below.Lunch Orders for the Class PartyLunch ChoiceNumberVegetarian Sandwich3Turkey Sandwich7Pepperoni Pizza8Cheese Pizza10Which ratio represents the number of orders for pepperoni pizza to cheese pizza?

A
4:5
B
5:4
C
StartFraction 10 Over 8 EndFraction
Option C
D
StartFraction 18 Over 10 EndFraction
Option D
3

Aiyana wrote the ratio 3:5 to compare the number of pairs of shorts that she owns to the number of pairs of jeans that she owns. Which ratio is equivalent to Aiyana’s ratio?

A
3:8
B
Three-fifths
Option B
C
5:3
D
Eight-thirds
Option D
4

The ratio table below shows the number of eggs per omelet. OmeletsNumber of eggsNumber of omelets18?936231How many omelets can be made with 18 eggs?

A
4
B
6
C
9
D
12
6

The ratio of dye to pounds of clothing is constant. A worker develops the chart below to show the amount of dye needed for different amounts of clothing.Clothes DyeingWeight of clothing (pounds)Cups of dye213429841210515For which weight of clothing is the ratio of weight to dye different from the other ratios?

A
21 pounds
B
42 pounds
C
84 pounds
D
105 pounds
7

Look at the table showing prices of different items at a store.Items for SalePaperbacks$10.65 for 3Notebooks$14.36 for 4Puzzles$11.85 for 3Picture Frames$15.20 for 4Which items cost less than $3.75 per item?

A
picture frames and paperbacks
B
puzzles and notebooks
C
picture frames and puzzles
D
paperbacks and notebooks
8

Which describes the correct way to convert minutes to hours?

A
Divide the number of minutes by 24.
B
Multiply the number of minutes by 24.
C
Divide the number of minutes by 60.
D
Multiply the number of minutes by 60.
9

Thuy drives 270 miles in 6 hours. How many miles does Thuy drive in 13 hours?

A
455 miles
B
585 miles
C
624 miles
D
715 miles
10

An olympian swam the 200-meter freestyle at a speed of 1.8 meters per second. An olympic runner ran the 200-meter dash in 21.3 seconds. How much faster was the runner’s speed than the swimmer’s speed to the nearest tenth of a meter per second?

A
0.1 meters per second
B
0.4 meters per second
C
7.6 meters per second
D
9.4 meters per second
11

Recycling Center A processes aluminum at a rate of 100 pounds per hour, while Recycling Center B processes aluminum at a rate of 2 tons per week. Assuming that both centers operate all day every day, which center processes aluminum faster, and why?

A
Recycling Center A processes aluminum faster; Recycling Center B’s rate is about 12 pounds per hour.
B
Recycling Center A processes aluminum faster; Recycling Center B’s rate is about 24 pounds per hour.
C
Recycling Center B processes aluminum faster; its rate is about 120 pounds per hour.
D
Recycling Center B processes aluminum faster; its rate is about 240 pounds per hour.
13

The ratio table below shows the relationship between the number of bricks in a wall and the length of the wall. Brick WallNumber of bricksLength (ft)6384126189When the number of bricks is multiplied by 2, the length is multiplied by

A
1.
B
2.
C
3.
D
6.
14

A daycare center has 4 infants and 11 toddlers. What fraction of the children are infants?

A
StartFraction 4 Over 15 EndFraction
Option A
B
StartFraction 4 Over 11 EndFraction
Option B
C
StartFraction 11 Over 15 EndFraction
Option C
D
StartFraction 11 Over 4 EndFraction
Option D
15

Jamaal ran 6 miles in 30 minutes. Which expression shows how to correctly determine his speed in miles per minute?

A
6 miles ÷ 30 minutes
B
30 minutes ÷ 6 miles
C
6 miles ÷ 1 minute
D
30 minutes ÷ 1 mile
16

Molly is painting her bedroom walls, and the paint costs $24 per gallon. How much does the paint cost per quart?

A
$3 per quart
B
$6 per quart
C
$48 per quart
D
$96 per quart
17

The rate describes the relationship between the number of buckets and the weight of the lobsters in the buckets. What is the weight of one bucket of lobsters?

Question illustration
A
15 pounds per bucket
B
18 pounds per bucket
C
20 pounds per bucket
D
25 pounds per bucket
18

There are 330 walnuts in 6 bags. If each bag has the same number of walnuts, how many walnuts are in 2 bags?

A
45 walnuts
B
55 walnuts
C
110 walnuts
D
220 walnuts
19

A squirrel ran 9 miles in 1 hour. Which expression can be used to determine its speed in miles per hour?

A
9 miles ÷ 1 hour
B
1 hour ÷ 9 miles
C
1 mile ÷ 9 hours
D
9 hours ÷ 1 mile
20

Alex determined that his average speed when he commuted to work is 35 miles per hour. What conversion factor can be used to convert this speed to feet per hour?

A
StartFraction 1 mile Over 5,280 feet EndFraction
Option A
B
StartFraction 1 hour Over 5,280 feet EndFraction
Option B
C
StartFraction 5,280 feet Over 1 mile EndFraction
Option C
D
StartFraction 5,280 feet Over 1 hour EndFraction
Option D

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