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7th 8-1 Scale Drawings

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.
The scale drawing car length is 3 cm. If the scale is 1 cm:4 ft, what is the actual car length?
a)
12 feet
b)
16 feet 
c)
10 feet
d)
4 feet
2.
A blueprint was using a scale of 3cm = 4.5m. Find the actual length if it is 5cm on the drawing. (Hint: simplify the scale first)
a)
7.5
b)
13.5
c)
1.5
d)
1.7
3.
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
4.
A flagpole is 1 in.= 4 ft. If the pole measures 12 inches, how tall is the actual pole?
a)
16 feet
b)
3 feet
c)
48 feet
d)
9 feet
5.
A scale drawing of a house shows 9cm ×10cm. If 6cm=12 ft, what are the actual dimensions?
a)
9ft x 10ft
b)
1ft x 2ft
c)
12ft x 6ft
d)
18ft x 20ft
6.

What is the actual length of the​ truck?

One square is 1 cm by 1 cm.

1 cm : 1.7 ft

a)

18.7

b)

20.4

c)

21.3

d)

22.6

7.

A portion of a map with cities A and B is shown. The map uses a scale of 1 inch=30 miles. You are making a map with a scale of 2 inches=15 miles. How far apart are cities A and B on your​ map?

a)

10 in

b)

18 in

c)

12 in

d)

15 in

8.

A 12​-foot wall measures 2.5 inches on a scale drawing. In the​ drawing, a second wall is 9 inches long. What is the actual length of the second​ wall?

a)

43.2 ft

b)

45.7 ft

c)

49.1 ft

d)

51.7 ft

9.

On a scale drawing of a​ fence, 3.75 inches represent 24 feet. What is the actual length of a second fence that is 2.8 inches in the​ drawing?

a)

16.34

b)

17.92

c)

19.05

d)

20.32

10.

If installed carpet costs ​$1.50 per square​ foot, how much will it cost to carpet the entire living room floor of the​ cabin?

One square is 1 cm by 1 cm.

1 cm : 1.7 ft

a)

$65.80

b)

$75.86

c)

$83.66

d)

$97.54

11.

The organized list shows all the possible outcomes when three fair coins are flipped. The possible outcomes of each flip are heads​ (H) and tails​ (T). What is the probability that exactly 1 fair coin lands heads up when 3 are​ flipped?

a)

1/4

b)

3/8

c)

1/2

d)

5/8

12.

The table shows the possible outcomes of spinning the given spinner and tossing a fair coin. Find the probability of​ P(1,H).

a)

1/10

b)

1/5

c)

1/4

d)

1/2

13.

A designer has designed two pairs of pants (P1 and P2) and five tops (T1, T2, T3, T4, and T5) to create outfits. Use a tree diagram to display the sample space of possible outfits if she chooses pants and then a top for each outfit.

a)
b)
c)
d)
14.

A box contains green marbles and blue marbles. Yosef shakes the box and chooses a marble at random. He records the​ color, then places the marble back into the box. Yosef repeats the process until he chooses 50 marbles. The table shows the count for each color. P(Blue) = ?

a)

36%

b)

28%

c)

72%

d)

14%

15.

At school there are the same number of boys and girls. A student is chosen at random to raise the flag. How many times is it expected that a boy will raise the flag over 30 days of​ school?

a)

50

b)

10

c)

15

d)

30