Scale Drawings

What is a scale drawing?

• A two-dimensional representation of an actual object or place.

• This line segment from the center of a circle to a point on the circle.

• When two lines cross, they form two pairs of vertical angles across from one another.

• An image that has been made bigger and all the angles change size.

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CCSS.7.G.A.1

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True or False: The scale tells us what some length on the scale drawing represents in actual length

• True

• False

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Your scale is 1 inch to 5 miles. If the drawing shows a road that is 2 inches long, how many miles is the actual road?

• 5 miles

• 2.5 miles

• 10 miles

• 7 miles

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CCSS.7.G.A.1

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Kiran drew a floor plan of his classroom using the scale 1 inch to 6 feet. Kiran's drawing is 4 inches wide and 5.5 inches long. What are the dimensions of the actual classroom?

• 4 inches wide and 5.5 inches long

• 0.66 inches wide and 0.91 inches long

• 1.5 feet wide and 0.72 feet long

• 24 feet wide and 33 feet long

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CCSS.7.G.A.1

Kiran drew a floor plan of his classroom using the scale 1 inch to 72 inches. Kiran wants to make a larger scale drawing of the same classroom. Which of these scales could he use?

• 1 to 50

• 1 to 72

• 1 to 100

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CCSS.7.G.A.1

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Lin has a scale model of a modern train. The model is created at a scale of 1 to 48. The height of the model train is 102 millimeters. What is the actual height of the train?

• 4,896,000 millimeters

• 4,896 millimeters

• 48.96 meters

• 2.125 millimeters

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CCSS.7.G.A.1

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Kiera measured a farm and made a scale drawing. In real life, the goat pen is 18 meters long. It is 6 centimeters long in the drawing. What scale did Kiera use for the drawing?

• 1 cm = 6 meters

• 1 m = 18 centimeters

• 18 centimeters = 6 meters

• 1 cm = 3 meters

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CCSS.7.G.A.1

A scale on a hiking map shows that 3 inches represents 1.25 miles. What number of inches on the map represent 10 actual miles?

• 24 inches

• 12.5 inches

• 30 inches

• 3 inches

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CCSS.7.G.A.1

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CCSS.7.RP.A.3

• x = 4.8

• x = 5.4

• x = 9.6

• x = 7.2

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CCSS.7.G.A.1

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What are some good ways to prepare for your Scale Drawings Quiz? Select All that apply and click Submit.

• Read the lesson summaries at the end of each lesson.

• Stay up late watching Netflix and forget you have a quiz tomorrow.

• Take your workbook home.

• Do the practice problems at the end of each lesson.

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CCSS.7.G.A.1

CCSS.7.RP.A.2