Math 6 Plus-Scaled Drawings Review

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or area that is proportionally reduced or enlarged to fit a specific size, maintaining the same ratios as the original.

Front

How do you calculate actual distance using a map scale?

Back

To find the actual distance, multiply the distance on the map by the scale factor. For example, if the scale is 1 inch = 100 miles and the distance on the map is 1.75 inches, the actual distance is 1.75 x 100 = 175 miles.

Front

What does the term 'scale' mean in mathematics?

Back

In mathematics, 'scale' refers to the ratio of a distance on a drawing or model to the corresponding distance in reality.

Front

If a map has a scale of 1 inch = 42 miles, how far apart are two cities that are 5 inches apart on the map?

Back

The actual distance is 5 inches x 42 miles/inch = 210 miles.

Front

What is the formula to convert a measurement from feet to inches?

Back

To convert feet to inches, multiply the number of feet by 12 (since 1 foot = 12 inches).

Front

If a backyard is 49 feet wide and the scale is 1 inch = 7 feet, how wide is it in the drawing?

Back

To find the width in the drawing, divide the actual width by the scale: 49 feet ÷ 7 feet/inch = 7 inches.

Front

What is a scaled copy?

Back

A scaled copy is a figure that is similar to another figure but is either larger or smaller by a certain scale factor.

Front

How do you determine if two figures are scaled copies of each other?

Back

Two figures are scaled copies if their corresponding sides are in the same ratio and their angles are equal.

Front

What is the scale of a drawing if 3 inches on the drawing represents 12 feet in reality?

Back

The scale is 1 inch = 4 feet (since 12 feet ÷ 3 inches = 4 feet/inch).

Front

If a parking lot is represented as 1 inch = 21 meters in a drawing, what is the actual length of a side that measures 15 inches in the drawing?

Back

The actual length is 15 inches x 21 meters/inch = 315 meters.