Scale Factor Review

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to determine how much larger or smaller a figure is compared to another.

Front

If a scale factor is less than 1, what happens to the figure?

Back

The figure gets smaller.

Front

What is the scale of a map that represents 1cm as 3 miles?

Back

1cm : 3 miles.

Front

How do you calculate the actual distance using a map scale?

Back

Multiply the distance on the map by the scale factor.

Front

If the distance between two towns on a map is 7cm and the scale is 1cm : 3 miles, what is the actual distance?

Back

21 miles.

Front

What is the scale of a map that represents 1cm as 4km?

Back

1cm : 4km.

Front

If the actual distance between two cities is 52km, what is the distance on the map if the scale is 1cm : 4km?

Back

13cm.

Front

What does it mean if a scale factor is equal to 1?

Back

The figure does not change in size.

Front

What is the scale factor from a small fry to a large fry if the large fry is 3 times bigger?

Back

3.

Front

True or False: Scale is used in maps, diagrams, building design, art, and many other fields.

Back

True.