Lesson 1 Review: Scale factor and Scale Drawing

Jamie made a scale drawing of his apartment building.  The building is 300 ft tall.  He wants his scale to be 1 inch : 10 ft.  How tall should his building be in his scale drawing?

• 25 inches
• 60 inches
• 1/30 inch
• 30 inches

A map has a scale of 1 cm=5km.  On the map, two cities are 3 cm apart. What is the actual distance between these cities? 

• 1.7 km
• 5 km
• 15 km
• 17 km 

On a map, Memphis, Tennessee, and Jackson, Mississippi, are 5 inches apart. The distance between the cities is actually 210 miles.

What scale was used to create the map?

• 42 inches = 1 mile
• 1 inch = 42 miles
• 40 inches = 1 mile
• 
  1 inch = 40 miles

What is the scale factor?

• 4
• .25
• 5
• 6

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

A model of a house was built using the scale 5 in:25 ft. If a window in the model is 1.5 in. wide, how wide is the actual window?

• 90 ft
• 7.5 ft 
• 4.5 ft
• 45 in

This scale drawing shows a parking lot. What is the length of the longer side of the actual lot? 

• 63 m
• 235 m
• 315 m
• 630 m

The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?

• 120

• 480

• 1920

If the perimeter of a rectangle was 20in and now it is is 80in, what is the scale factor that was used?

• 4

• 2

• 40

• 20

Desmond measured a city park and made a scale drawing. The scale he used was 1 centimeter : 9 meters. The actual width of the soccer field is 54 meters. How wide is the field in the drawing?

• 6 cm

• 486 cm

• 9 cm

• 54 cm