Which of the following best describes the primary difference between a scale drawing and a scale model?

A scale drawing is always smaller than the real object, while a scale model is always larger.

A scale drawing is a two-dimensional representation, while a scale model is three-dimensional.

A scale drawing uses inches and feet, while a scale model uses the metric system.

A scale drawing represents buildings, while a scale model represents vehicles.

In a scale drawing, what does the 'scale' define?

The number of objects in the drawing.

The ratio of a length in the drawing to the corresponding actual length.

The color scheme used in the drawing.

Scale Drawings and Scale Factors Practice — Grade 7 math

Lesson 1: Scale Drawings and Scale Factors — Practice Questions

1. Which of the following best describes the primary difference between a scale drawing and a scale model?
- A. A scale drawing is always smaller than the real object, while a scale model is always larger.
- B. A scale drawing is a two-dimensional representation, while a scale model is three-dimensional.
- C. A scale drawing uses inches and feet, while a scale model uses the metric system.
- D. A scale drawing represents buildings, while a scale model represents vehicles.
2. A model car is built using a 1:24 scale. If the real car is 480 cm long, the length of the model car is ___ cm.
3. A detailed architectural blueprint for a new library is a classic example of which of the following?
- A. A scale model
- B. A scale drawing
- C. An actual dimension
- D. A three-dimensional object
4. On a map, the scale is 1 inch : 8 miles. The distance between two towns on the map is 5 inches. The actual distance between the towns is ___ miles.
5. In a scale drawing, what does the 'scale' define?
- A. The total area of the drawing.
- B. The number of objects in the drawing.
- C. The ratio of a length in the drawing to the corresponding actual length.
- D. The color scheme used in the drawing.
6. A map's scale is $1 \text{ cm} = 50 \text{ km}$. If the actual distance between two towns is $225 \text{ km}$, what is the distance on the map in cm? ___
7. The scale for a building model is $1 \text{ cm} = 30 \text{ m}$. The building's actual height is $105 \text{ m}$. What is the height of the model in cm? ___
8. To find a length on a scale drawing from an actual length, you must divide the actual length by the...
- A. drawing length
- B. scale rate
- C. actual unit
- D. drawing unit
9. A model car is built using a scale of $1 \text{ inch} = 2 \text{ feet}$. If the actual car is $15 \text{ feet}$ long, what is the length of the model in inches? ___
10. On a trail map, the scale is $1 \text{ cm} = 8 \text{ km}$. If a hiking trail is actually $36 \text{ km}$ long, what is its length on the map in cm? ___