Scale and Scale Factor

Multiple Choice

The liquid outer core of Earth is 2300 Kilometers thick. A scale model of the layers of Earth has a scale of 1 in : 500 km. How thick is the liquid outer core of the model?

• 4.6 inches

• 115 inches

• 2.2 inches

• 22 inches

Multiple Choice

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

Multiple Choice

How tall will a model be if you use the given scale?

• 76.8 cm

• 2 cm

• 48 cm

• 15.2 cm

Multiple Choice

What is the scale if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Multiple Choice

What is the scale if the triangle on the right is the original?

• 2
• 3/2
• 2/3
• 1/2

Multiple Choice

What is the scale from MNOP to ABCD?

• 2/3
• 1/2
• 3/2
• 2

Multiple Choice

The actual distance between Town A and Town B is 345 miles. They are 15 inches apart on the map. What is the scale of the map?

• 1 in : 23 miles

• 23 in : 1 mile

• 1 in : 51.75 miles

• 1 in : 43.5 miles

Multiple Select

What is the scale?

Choose both correct answers

• 1/4:6

• 0.25:6

• 0.4:6

• 6:4

• 6:04

Multiple Choice

How long is the house in the picture?

• 3 in

• 3.5 in

• 3 ft

• 3.5 ft

Multiple Choice

Which proportion will solve for the actual lenght of the house?

• $$\frac{0.25}{6}=\frac{x}{3.5}$$

• $$\frac{0.25}{6}=\frac{3.5}{x}$$

Multiple Choice

Solve for the lenght of the house

• 18.0 ft

• 19.5 ft

• 78.0 ft

• 84.0 ft

Multiple Choice

What is the scale factor if the triangle on the left is the original?

• 2
• 3/2
• 2/3
• 1/2

Multiple Choice

A scale drawing that measures 8 units wide and an original that measures 4 units wide has a scale factor of...

• 2:1
• 8:1
• bigger
• 1:2

Multiple Choice

What is the scale factor of the picture to the right?

(hint: 1m = 100cm)

• 1:100
• 1:200

• 1:1000
• 1:400

Multiple Choice

Kesha is making a scale drawing of her bedroom. For every two feet in her room there is one inch on her drawing. What is the scale factor she is using?

• 1:12

• 1:36

• 1:18

• 1:24

Multiple Choice

The scale is 2 inches equals 3 feet. What is the scale factor

• 1/30
• 1/18
• 1/24
• 1/12

Multiple Choice

The scale for the car model is 16:1. If the toy is 15 inches long, how many FEET long is the actual car?

• 10 feet
• 25 feet
• 30 feet
• 20 feet