Scale Factor

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to determine the proportional relationship between two similar figures.

Front

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

Back

The figure is enlarged.

Front

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

Back

The figure is reduced.

Front

What is the scale factor from a smaller figure to a larger figure?

Back

The scale factor is greater than 1.

Front

What is the scale factor from a larger figure to a smaller figure?

Back

The scale factor is less than 1.

Front

How do you calculate the actual distance using a scale?

Back

Multiply the distance on the map by the scale factor.

Front

What is an enlargement in terms of scale drawings?

Back

An enlargement is when a scale drawing is larger than the original figure.

Front

What is a reduction in terms of scale drawings?

Back

A reduction is when a scale drawing is smaller than the original figure.

Front

If a rectangle has a length of 10 cm and a scale factor of 2, what is the new length?

Back

20 cm.

Front

If a triangle has a height of 6 inches and a scale factor of 1/2, what is the new height?

Back

3 inches.