Scale Drawings and Proportions Quiz

What is the primary purpose of using scale drawings and models?

• To confuse the viewer with complex measurements

• To make objects appear larger than they are

• To represent objects that are too large or small to be drawn at actual size

• To create artistic representations of objects

In the example of Hagerstown to Annapolis, what was the map scale used?

• 1 cm = 24 miles

• 1 cm = 10 miles

• 1 cm = 100 miles

• 1 cm = 50 miles

How do you set up a proportion to find the actual distance between two cities on a map?

• Map distance over actual distance equals scale

• Actual distance over map distance equals scale

• Map distance equals actual distance times scale

• Actual distance equals map distance divided by scale

What is the actual distance between Clarksville and Little Rock if the map distance is 4 cm and the scale is 1 cm = 20 miles?

• 60 miles

• 40 miles

• 100 miles

• 80 miles

When setting up a proportion for a scale model, what should be placed on the bottom of the fraction?

• The model measurement

• The actual measurement

• The scale factor

• The unit conversion

If a cell phone is 4 inches in real life and the advertisement scale is 5 inches to 1 inch, what is the length of the phone in the advertisement?

• 20 inches

• 25 inches

• 15 inches

• 10 inches

How do you convert a scale factor into a unitless ratio?

• By multiplying the units

• By converting all measurements to the same unit and simplifying

• By dividing the larger unit by the smaller unit

• By adding the units together

What is the scale factor if the scale is 1 inch = 2 feet?

• 1/48

• 1/12

• 1/24

• 1/36

In the floor plan example, what is the actual area of a room that measures 1 inch by 4 inches on the plan, with a scale of 1/2 inch = 3 feet?

• 108 square feet

• 72 square feet

• 144 square feet

• 180 square feet

How do you calculate the area of a room using a scale drawing?

• Add the actual length and width

• Multiply the length and width of the drawing

• Add the length and width of the drawing

• Multiply the actual length and width