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Scale and Scale Factor

Scale and Scale Factor

Assessment

Presentation

Mathematics

7th Grade

Practice Problem

Medium

CCSS
7.G.A.1, 4.MD.A.1, 7.RP.A.2C

Standards-aligned

Created by

Aimee Norman

Used 31+ times

FREE Resource

7 Slides • 18 Questions

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4

Multiple Choice

The liquid outer core of Earth is 2300 Kilometers thick. A scale model of the layers of Earth has a scale of 1 in : 500 km. How thick is the liquid outer core of the model?

1

4.6 inches

2

115 inches

3

2.2 inches

4

22 inches

5

Multiple Choice

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?
1
25 inches
2
60 inches
3
1/30 inch
4
30 inches

6

Multiple Choice

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How tall will a model be if you use the given scale?

1

76.8 cm

2

2 cm

3

48 cm

4

15.2 cm

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9

Multiple Choice

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What is the scale if the triangle on the left is the original?

1
2
2
3/2
3
2/3
4
1/2

10

Multiple Choice

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What is the scale if the triangle on the right is the original?

1
2
2
3/2
3
2/3
4
1/2

11

Multiple Choice

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What is the scale from MNOP to ABCD?

1
2/3
2
1/2
3
3/2
4
2

12

Multiple Choice

The actual distance between Town A and Town B is 345 miles. They are 15 inches apart on the map. What is the scale of the map?

1

1 in : 23 miles

2

23 in : 1 mile

3

1 in : 51.75 miles

4

1 in : 43.5 miles

13

Multiple Select

Question image

What is the scale?

Choose both correct answers

1

1/4:6

2

0.25:6

3

0.4:6

4

6:4

5

6:04

14

Multiple Choice

Question image

How long is the house in the picture?

1

3 in

2

3.5 in

3

3 ft

4

3.5 ft

15

Multiple Choice

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Which proportion will solve for the actual lenght of the house?

1

0.256=x3.5\frac{0.25}{6}=\frac{x}{3.5}

2

0.256=3.5x\frac{0.25}{6}=\frac{3.5}{x}

16

Multiple Choice

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Solve for the lenght of the house

1

18.0 ft

2

19.5 ft

3

78.0 ft

4

84.0 ft

17

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18

Fill in the Blank

Type answer...

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20

Multiple Choice

Question image
What is the scale factor if the triangle on the left is the original?
1
2
2
3/2
3
2/3
4
1/2

21

Multiple Choice

A scale drawing that measures 8 units wide and an original that measures 4 units wide has a scale factor of...
1
2:1
2
8:1
3
bigger
4
1:2

22

Multiple Choice

Question image

What is the scale factor of the picture to the right?

(hint: 1m = 100cm)

1
1:100
2

1:200

3
1:1000
4
1:400

23

Multiple Choice

Kesha is making a scale drawing of her bedroom. For every two feet in her room there is one inch on her drawing. What is the scale factor she is using?

1

1:12

2

1:36

3

1:18

4

1:24

24

Multiple Choice

The scale is 2 inches equals 3 feet. What is the scale factor

1
1/30
2
1/18
3
1/24
4
1/12

25

Multiple Choice

The scale for the car model is 16:1. If the toy is 15 inches long, how many FEET long is the actual car?

1
10 feet
2
25 feet
3
30 feet
4
20 feet
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