Scale Factors, Ratios, and Scale Drawings

Fill-in-the-blank flashcards covering scale factor, scaled copies, equivalent ratios, proportional relationships, and interpreting scales in drawings and maps.

To create a scaled copy, we multiply every length in the original figure by the __.

scale factor

A __ is a copy of a figure where each length is multiplied by the same number.

scaled copy

Two ratios are __ if each value in the first ratio can be multiplied by the same number to obtain the second ratio.

equivalent ratios

A __ tells us how the measurements in a drawing correspond to actual measurements of the object.

scale

A __ represents an actual place or object, with all measurements corresponding to the actual object by the same scale.

scale drawing

If the scale is 1 inch = 8 feet, then 2 inches on the drawing represent __ feet in reality.

16

On a map where 1 centimeter represents 30 miles, a marked distance of 8 centimeters represents __ miles.

240

If the scale factor from figure ABC to figure DEF is 1.5, DEF is __ times the size of ABC.

1.5