Measurements and Proportions

the ratio of two corresponding sides in a set of similar figures

• fraction

• scale factor

• rate

• unit cost

A comparison between two quantities with different units of measure.

• fractions

• equivalent fractions

• rates

• equivalent fractions

From Denver to Chicago = 3 in. If the scale is 1 in = 300 miles, find the actual distance.

• 300 miles

• 1000 miles

• 900 miles

• 600 miles

What makes a graph proportional?

• Linear

• The line is only in quadrant 1

• Curvy line

• Linear and the line goes through the origin

Which graph is proportional?

• A

• B

• C and D

• All of the graphs are proportional

Does the table represent a proportional relationship?

• Yes.

• No.

Which graph is non-proportional?

• A

• B

• C

• D

Using the information on the Reteach worksheet, The measurements in scale drawings and models are proportional to what?

• the measurements of the actual object

• the measurements of the model of the object

• the measurements of the scale of the object

Scale: 1in.=7ft. The actual width of the backyard is 49 ft, how wide is it in the drawing?

• 14 in 

• 7 in

• 42 in

• 56 in

Your scale is 1 inch to 5 miles. If the drawing shows a road that is 2 inches long, how many miles is the actual road?

• 5 miles

• 2.5 miles

• 10 miles

• 7 miles