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Unit 3 Review

Total questions: 65

Worksheet time: 49mins

Name
Class
Date
1.
Does the table represent a proportional relationship?
a)
yes
b)
no
2.
Does the graph represent a proportional relationship?
a)
yes
b)
no
3.
What does k represent in the equation y = kx?
a)
independent variable
b)
constant of proportionality
c)
dependent variable
d)
krispy kreme
4.

__________________ describes how many units of the first type of quantity corresponds to one unit of the second type of quantity

a)

unit rate

b)

ratio

c)

proportion

d)

popcorn

5.
Find the unit rate:  $3.60 for 3 pounds of apples. How much does it cost for 1 pound of apples?
a)
$1.00 per pound
b)
$3.60 per pound
c)
$1.20 per pound
d)
$1.10 per pound
6.
Jasmin is baking a cake that calls for 1/4 cup water for every 1/2 cup of flour. How much flour will she need if she uses 1.5 cups of water?
a)
4 cups of flour
b)
.75 cups of flour
c)
3 cups of flour
d)
.25 cups of flour
7.
In the equation y = 14x, what is the constant of proportionality?
a)
y
b)
x
c)
14
d)
1/14
8.
What does the point (2, 94) represent in this situation?
a)
Every week, they earn $94.
b)
After 94 weeks, they save $2.
c)
After 1 week, they save $47.
d)
After 2 weeks, they save $94.
9.
Find the unit rate of 624 calories in 3 servings.
a)
1,872 calories per serving
b)
208 calories per serving
c)
624 calories per serving
d)
621 calories per serving
10.

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

a)

$8 per pound

b)

$35 per pound

c)

$5 per pound

d)

$0.125 per pound

11.
Find the Unit Rate.
 72 ounces for 12 servings    
a)
7 ounces per serving
b)
144 ounces for 24 servings
c)
6 ounces per serving
d)
36 ounces for 6 servings
12.
Solve for x 
a)
x = 6
b)
x = 25
c)
x = 28
d)
x = 17
13.

What does the point (4, 60) on the graph represent?

4 lines
14.

If I wanted to know how many hours it would take Damon to bike 72 miles, what would I do?

4 lines
15.
Solve for x 
a)
x = 1/10
b)
x = 10
c)
x = 4
d)
x = 5
16.
What is the constant of proportionality?
a)
15
b)
5
c)
75
d)
25
17.
What is the unit rate in this proportional relationship?
a)
60 miles/1 hour
b)
120 miles/ 2 hours
c)
1 mile/ 1 hour
18.

Which is a UNIT rate?

a)

100 miles / 3 hours

b)

35 miles / 1 hour

c)

70 miles / 2 hours

19.

Find the unit rate (how many avocados per bag):

42 avocados in 7 bags

a)

7 avocados/bag

b)

6 avocados/bag

c)

7 bags/avocado

d)

14 avocados/bag

20.

Find the unit rate:

40 slices in 5 pizzas


(a)   slices per pizza

21.

Find the unit rate:

48 markers in 8 packs


(a)   markers per pack

22.
Four pounds of bananas cost $6.  What is the cost per pound of bananas?
a)
$24 per pound
b)
$1.50 per pound
c)
$1 per pound
d)
$6 per pound
23.
Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?
a)
$7 per hour
b)
$6 per hour
c)
$6.80 per hour
d)
$17.40 per hour
24.
Ilana made $45 babysitting for 6 hours. How much does she make per hour?
a)
$75 per hour
b)
$7.50 per hour
c)
$270 per hour
d)
$2.70 per hour
25.

Find the unit rate - 88 students for 4 classes

a)

20 students per class

b)

21 students per class

c)

22 students per class

26.

A teacher sharpens 108 pencils to distribute to her 27 kindergarten students. How many pencils should each student get? Express as pencils per student. ( pencilsstudents\frac{pencils}{students}  )

(a)  

27.
a)

Marcus

b)

Joseph

c)

Harper

d)

Nikki

28.

A piano teacher charges $200 for 12 piano lessons. How much is it for one piano lesson?

a)

$16.67 per lesson

b)

$17 per lesson

c)

$1.67 per lesson

d)

$16 per lesson

29.

797\frac{\frac{7}{9}}{7}  

a)

499\frac{49}{9}  

b)

9

c)

19\frac{1}{9}  

d)

949\frac{9}{49}  

30.
My mother purchased 9 candy bars at Food Lion for $13.50.  What is the price per candy bar?
a)
$2.00 per product
b)
$1.50 per product
c)
$1.75 per product
31.
Which is the better deal?
Oreos
$2.98 for 15 oz
OR
Chips Ahoy
$2.50 for 14 oz
a)
Oreos
b)
Chips Ahoy
32.

A unit rate is a rate in which the unit in the denominator is:

a)

0

b)

3

c)

1

d)

2

33.
A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?
a)
90 ft
b)
7.5 ft 
c)
4.5 ft
d)
45 in
34.
Maura is building a 2 ft. tall model of the Gateway Arch in St. Louis, Missouri.  The scale is 3 in : 78.75 ft.  Estimate the height of the actual arch.
a)
630
b)
600
c)
400
d)
200
35.
From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.
a)
300 miles
b)
1000 miles
c)
900 miles
d)
600 miles
36.
This scale drawing shows a parking lot. What is the length of the longer side of the actual lot? 
a)
63 m
b)
235 m
c)
315 m
d)
630 m
37.
Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?
a)
14 in 
b)
7 in
c)
42 in
d)
56 in
38.
A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?
a)
90 ft
b)
7.5 ft 
c)
4.5 ft
d)
45 in
39.
The __________ is the ratio of a length of the image to the corresponding length on the original figure.
a)
reduction
b)
enlargement
c)
scale factor
d)
center of dilation
40.
The scale model of a building is 6.5 inches tall. How tall is the actual building if the scale used for the model is 1 inch = 150 feet?
a)
650 feet
b)
840 feet
c)
900 feet
d)
975 feet
41.
To create a model of an artery, a health teacher uses the scale 2.5 cm:0.75 mm. If the diameter of the artery is 2.7 mm, what is the diameter on the model?
a)
9 cm
b)
18 cm
c)
90 cm
d)
9 m 
42.
The scale drawing for Zoe's room is shown. If 1 in on the scale drawing equals 3 feet. What is the area for Zoe's room?
a)
49  square feet
b)
132 square feet
c)
126 square feet
d)
14 square feet
43.

A building is 360 feet tall. On a scale drawing, 1/4 inch = 10 feet. What is the height of the building in the scale drawing?

a)

15 in

b)

9 in

c)

7 in

d)

13 in

44.

Brody drew a scale drawing of a campsite. He used the scale 1 inch : 3 feet. If the actual width of the tent is 6 feet, how wide is the tent in the drawing?

a)

2 in

b)

1 in

c)

3 in

d)

18 in

45.

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

a)

6 cm

b)

486 cm

c)

9 cm

d)

54 cm

46.

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

a)

10 Feet

b)

2.5 Feet

c)

5 Feet

d)

15 Feet

47.

Your scale is 1 inch to 5 miles. If the drawing shows a road that is 2 inches long, how many miles is the actual road?

a)

5 miles

b)

2.5 miles

c)

10 miles

d)

7 miles

48.
Kari is traveling to the mountains with her family. On a map the scale is 1 in = 10 miles. If it is 276 miles to the mountains, what is the distance on the map?
a)
2760 in
b)
2.76 in
c)
27600 in
d)
27.6 in
49.

Tyler is making a scale drawing of a flea. He is using of the scale of 3 mm is equal to 4 inches. If the flea's body is 9 mm long, how long will his drawing be?

a)

9 inches

b)

10 inches

c)

12 inches

d)

16 inches

50.

Natalie is making a scale drawing of her apartment building. The building in her drawing has a height of 24 cm. The scale she used was 6 cm is equal to 11 feet. How tall is her apartment building?

a)

41 feet

b)

44 feet

c)

66 feet

d)

90 feet

51.
Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?
a)
14 in 
b)
7 in
c)
42 in
d)
56 in
52.
Is this table proportional?
a)
Yes
b)
No
53.
What is the constant of proportionality?
a)
$3
b)
$4
c)
$2
d)
$9
54.

Select all the tables that show a proportional relationship between x and y in the ratio table. There are TWO ANSWERS!

a)
b)
c)
d)
55.
Is this table proportional?
a)
yes
b)
no
c)
I'm not sure, I need extra help!
56.
If the scale factor is greater than one, the new figure will be
a)
a reduction
b)
an enlargement
c)
a scale
d)
not proportional
57.

What is the scale factor from triangle ABC to triangle DEF?

a)

1/2

b)

7/3

c)

2

d)

10/3

58.
What is the scale factor from the large triangle to the small triangle?
a)
1/2
b)
2/3
c)
3/4
d)
2
59.
The two rectangles are scale drawings. What is the measurement of x?
a)
21
b)
1.25
c)
20
d)
4
60.
a)

66 cm

b)

186 cm

c)

150 cm

d)

Not here

61.

Select the correct answer ​ ​ (a)  

Choose from the below words
12 mm
27 mm
9 mm
13 mm
62.

a)

They have same size and shape.

b)

They have same size but different shape.

c)

They have corresponding angles that are not congruent.

d)

They have corresponding sides that are proportional.

63.
a)

b)

c)

d)

64.
a)

40 in

b)

34 in

c)

38 in

d)

14 in

65.



(a)  

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