Scale drawings and models

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit on paper, using a specific ratio to represent real dimensions.

Front

What does the scale 1 cm : 9 m mean?

Back

It means that 1 centimeter on the drawing represents 9 meters in reality.

Front

How do you convert a measurement from a scale drawing to actual size?

Back

Multiply the measurement on the drawing by the scale factor to find the actual size.

Front

If a soccer field is 54 meters wide, how wide is it in a scale drawing with a scale of 1 cm : 9 m?

Back

6 cm (54 m ÷ 9 m/cm = 6 cm).

Front

What is the actual distance represented by 2 cm on a map with a scale of 5 cm = 2 km?

Back

0.8 km (2 cm × 2 km/5 cm = 0.8 km).

Front

How do you find the actual distance between two points on a map?

Back

Use the scale to convert the distance measured on the map to the actual distance.

Front

If the scale on a map is 2 inches = 40 miles, what is the actual distance for 4.125 inches?

Back

82.5 miles (4.125 inches × 40 miles/2 inches = 82.5 miles).

Front

What is the formula to find the actual size from a scale drawing?

Back

Actual Size = Measurement on Drawing × Scale Factor.

Front

If Pam's air hockey table is 6.5 inches in her scale drawing with a scale of 1 inch : 2 feet, how long is the actual table?

Back

13 feet (6.5 inches × 2 feet/inch = 13 feet).

Front

How many centimeters on a map represent an actual distance of 5 km if the scale is 5 cm = 2 km?

Back

12.5 cm (5 km × 5 cm/2 km = 12.5 cm).