Scale Drawings - Reductions/Enlargements

Front

What is a scale drawing?

Back

A scale drawing is a representation of an object or figure that is proportional to its actual size, using a specific scale factor.

Front

What does a scale factor greater than one indicate?

Back

A scale factor greater than one indicates an enlargement of the figure.

Front

What does a scale factor less than one indicate?

Back

A scale factor less than one indicates a reduction of the figure.

Front

How do you find the scale factor of a reduction?

Back

To find the scale factor of a reduction, divide the size of the new figure by the size of the original figure.

Front

How do you find the scale factor of an enlargement?

Back

To find the scale factor of an enlargement, divide the size of the enlarged figure by the size of the original figure.

Front

If the scale factor is 1/4, what type of transformation is this?

Back

This is a reduction.

Front

If the scale factor is 4, what type of transformation is this?

Back

This is an enlargement.

Front

What is the scale factor when going from figure A to figure D if figure D is four times larger?

Back

The scale factor is 4.

Front

What is the scale factor when going from figure D to figure A if figure A is one-fourth the size of figure D?

Back

The scale factor is 1/4.

Front

What is an example of a scale drawing in real life?

Back

A map is an example of a scale drawing, where distances are represented proportionally.