Scale Drawings Quiz

Grade 7 · Math · Quiz

Ten questions on scale factors, finding actual and drawing measurements, and reading map scales.

Questions

A map scale is 1 in : 100 miles. Two cities are 4.5 in apart. What is the actual distance?
1. 104.5 miles
2. 450 miles
3. 45 miles
4. 400 miles
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Answer: 450 miles
A scale drawing preserves the shape of an object but changes the size proportionally.
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Answer: True
A blueprint scale is 1 cm : 3 m. A hallway 15 m long would be drawn as ___ cm.
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Answer: 5
Which proportion correctly sets up a scale problem where the scale is 1 in : 8 ft and the drawing shows 5 in?
1. 1/8 = 5/x
2. 1/5 = 8/x
3. 8/1 = x/5
4. 5/8 = 1/x
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Answer: 1/8 = 5/x
The scale 1:500 means 1 unit on the drawing equals 500 of the same units in real life.
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Answer: True
A floor plan scale is 1 cm : 5 m. A room on the plan measures 3 cm by 4 cm. What is the actual area of the room?
1. 60 m²
2. 300 m²
3. 20 m²
4. 12 m²
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Answer: 300 m²
If a scale is 1 in : 20 ft and the actual object is 140 ft long, the drawing length is ___ inches.
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Answer: 7
You can use a proportion to solve any scale drawing problem.
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Answer: True
A model car is built at a scale of 1:24. The actual car is 192 inches long. How long is the model?
1. 6 inches
2. 8 inches
3. 12 inches
4. 24 inches
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Answer: 8 inches
Scale 1 cm : 6 m. If a building is 12 cm on the drawing, the actual building is ___ m tall.
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Answer: 72