Scale Factor and Scale Drawings

A model of a planned baseball stadium is 2 ft wide. The scale for the model is 1 foot = 100 yards. What is the width of the actual stadium?

• 20 yards

• 2 yards

• 200 yards

• 2000 yards

On a map, the distance between Louisville, Kentucky, and Nashville, Tennessee, is 1 3/4 inches. The scale of the map is 1 in:100 mi. What is the actual distance between the two cities?

• 200 miles

• 175 miles

• 100 miles

• 125 miles

Jamie made a scale drawing of his apartment building. The building is 300 ft tall. He wants his scale to be 1 to 120. How tall should his building be in his scale drawing?

• 25 inches

• 60 inches

• 1/30 inch

• 30 inches

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

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

Scale factor is _________

• the number you multiply the original shape by in order to get the scale copy

• the number you divide the original shape by in order to get the scale copy

• the number you add the original shape by in order to get the scale copy

• the number you subtract the original shape by in order to get the scale copy

There is a triangle with side lengths of 6 cm, 8 cm, and 10 cm. Select ALL of the sets of side lengths that are scaled copies of the original triangle.

• 18 cm, 24 cm, and 30 cm

• 9 cm, 12 cm, and 15 cm

• 15 cm, 20 cm, and 25 cm

• 10 cm, 18 cm, and 24 cm

A map says that 2 in represents 16 miles. What is the distance on the map (in inches) that represents the actual distance of 40 miles?

• 8 inches

• 2.5 inches

• 5 inches

• 20 inches

The scale on a map says that 3 cm represents 12 km. What is the actual number of km represented by 5 cm on the map?

• 1.5 km

• 20 km

• 2.4 km

• 60 km