Intro to Scale Drawings and Models

Pam drew a scale drawing of a game room. She used the scale 1 inch : 2 feet. If the air hockey table is 5 inches in the drawing, how long is the actual air hockey table?

• 10 feet

• 2.5 feet

• 5 feet

• 15 feet

Vocabulary: A proportional drawing of an object is called...

• similar figures

• scale drawing

• scale

• constant of proportionality

Spencer measured a house and its lot and made a scale drawing. He used the scale 3 inches : 2 feet. In the drawing, the deck is 90 inches long. What is the length of the actual deck?

• 60 feet

• 6 feet

• 180 feet

• 270 feet

Edgar drew a scale drawing of the town library. The scale of the drawing was 5 centimeters : 2 meters. The parking lot is 34 meters wide in real life. How wide is the parking lot in the drawing?

• 85 cm

• 68 cm

• 13.6 cm

• 170 cm

Ronnie measured the elementary school and made a scale drawing. He used the scale 8 millimeters : 6 meters. If the school yard is 112 millimeters in the drawing, how long is the actual school yard?

• 84 meters

• 96 meters

• 149.3 meters

• 672 meters

The windows in the drawing are 1¾ cm apart, how many meters apart are the actual windows if the scale is 2 cm = 10 m?

• 8¾ m

• 7½ m

• 5 m

• 2¼ m

The scale on a road map is ¹/₄ cm = 12.5 miles. Kayla measures the distance on the map between Rockland and Newburry as 7 cm. What is the actual distance, in miles, between the cities?

• 350 miles

• 300 miles

• 2.5 miles

• 0.14 miles

Bryan made a scale drawing of a house and its lot. He used the scale 1 inch : 4 feet. The backyard is 48 feet wide in real life. How wide is the yard in the drawing?

• 12 inches

• 10 inches

• 576 inches

• 192 inches

On the map, from Denver to Chicago is 3 inches. If the scale is 1 in = 300 miles, find the actual distance.

• 300 miles

• 1000 miles

• 900 miles

• 600 miles

Vocabulary: A ratio between the measurements of the drawing and of the actual object.

• scale drawing

• constant of proportionality

• scale

• unit rate