Scale and Scale Factor Practice Flashcard

Front

What is a scale factor?

Back

A scale factor is a number that scales, or multiplies, some quantity. It is used to enlarge or reduce figures in geometry.

Front

What scale factor produces a reduction?

Back

Any number greater than 0 but less than 1.

Front

What scale factor produces an enlargement?

Back

Any number greater than 1.

Front

If a shape is enlarged by a scale factor of 2, what happens to its dimensions?

Back

Each dimension of the shape is multiplied by 2, making the shape larger.

Front

If a shape is reduced by a scale factor of 0.5, what happens to its dimensions?

Back

Each dimension of the shape is multiplied by 0.5, making the shape smaller.

Front

What is the scale factor from Figure 1 to Figure 2 if Figure 2 is 1.75 times larger than Figure 1?

Back

Front

How do you convert inches to feet?

Back

To convert inches to feet, divide the number of inches by 12.

Front

Back

The actual length is 18 feet.

Front

If a photograph is 5 inches wide and is enlarged by a scale factor of 2.5, what is the new width?

Back

The new width is 12.5 inches.

Front

If Copy 1 of a photograph is reduced by a scale factor of 34, what does that mean?

Back

It means that the dimensions of Copy 1 are multiplied by 34, making it smaller.