Scale and Scale Factor Quiz

What is scale factor?

• A mathematical equation used to calculate the area of a shape.

• The amount of money needed to purchase an item.

• A unit of measurement used to determine the weight of an object.

• A ratio that describes how the dimensions of an object are changed when it is enlarged or reduced.

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CCSS.7.G.A.1

Explain how scale factor is used to create models.

• Scale factor is used to calculate the age of the model.

• Scale factor is used to determine the weight of the model.

• Scale factor is used to determine the ratio between the dimensions of the model and the actual object or system being represented.

• Scale factor is used to determine the color of the model.

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CCSS.7.G.A.1

Solve the following problem: A model car is 1/24 the size of the actual car. If the actual car is 8 feet long, how long is the model car?

• 0.0833

• 0.125

• 0.25

• 0.3333

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CCSS.7.EE.B.3

Solve the following problem: A blueprint of a house has a scale factor of 1/50. If the actual length of a room is 10 meters, what is the length of the room on the blueprint?

• 0.5

• 2

• 0.2

• 5

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CCSS.7.G.A.1

Solve the following problem: A map has a scale factor of 1/1000. If the distance between two cities on the map is 5 centimeters, what is the actual distance between the cities?

• 0.005 miles

• 0.005 meters

• 0.005 centimeters

• 0.005 kilometers

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CCSS.7.G.A.1

Solve the following problem: A model airplane has a wingspan of 12 inches. If the actual wingspan of the airplane is 48 feet, what is the scale factor of the model?

• 4

• 12

• 48

• 0.25

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CCSS.7.G.A.1

Solve the following problem: A model train is 1/87 the size of the actual train. If the actual train is 100 feet long, how long is the model train?

• 0.00114942528736

• 0.0114942528736

• 0.114942528736

• 1.14942528736

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CCSS.7.EE.B.3

Solve the following problem: A model building is 1/200 the size of the actual building. If the actual height of the building is 500 meters, what is the height of the model building?

• 0.0025

• 25

• 2.5

• 250

Tags

CCSS.7.G.A.1