Scale drawings

Convert between a drawing and real-life lengths using a scale factor, and compute real areas.

Standards:7.G.A.1

Try it: three questions

Real questions from the practice bank. Tap an answer to check it.

Question 1 of 3

A model car is 8 inches long. The scale is 1 inch : 3 feet. How long is the actual car in feet?

Question 2 of 3

A blueprint shows a rectangular garden with length 8 cm and width 5 cm. The scale is 1 cm : 3 m. What is the actual length of the garden in meters?

Question 3 of 3

A model airplane is built to a scale of 1 inch = 4 feet. If the model's wingspan is 9 inches, what is the actual wingspan of the airplane in feet?

How this fits in

Scale drawings is one skill in the Basic Geometry unit. Students read the unit lesson, then earn a bronze, silver, or gold medal on their last 10 answers. Medals never go down. A mastered unit comes back for review after 1, 3, 7, 16, and 35 days so it stays learned.

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