Scale Factor Practice

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 on paper, maintaining the same ratios as the actual object.

Front

How do you find the scale of a drawing?

Back

To find the scale of a drawing, divide the actual measurement by the measurement in the drawing.

Front

If a soccer field in a drawing is 14 inches long and the actual field is 98 yards long, what is the scale?

Back

1 inch = 7 yards.

Front

What does a scale factor of ½ indicate?

Back

A scale factor of ½ indicates a reduction in size.

Front

What happens to a figure when the scale factor is less than one?

Back

The figure will be a reduction.

Front

What happens to a figure when the scale factor is greater than one?

Back

The figure will be an enlargement.

Front

If the scale on a map is 2 inches = 40 miles, what is the actual distance for 4.125 inches?

Back

The actual distance is 82.5 miles.

Front

What is the formula to calculate actual distance from a scale drawing?

Back

Actual Distance = (Measurement in Drawing) x (Scale Factor).

Front

What is the scale factor if a drawing is enlarged by a factor of 3?

Back

The scale factor is 3.

Front

What is the scale factor if a drawing is reduced by a factor of ¼?

Back

The scale factor is ¼.