Intro to Dilations

Front

A dilation always produces a similar figure. Similar figures have the same ______ but different ______.

Back

shape; sizes

Tags

CCSS.8.G.A.3

Front

Is the new image an example of an enlargement, reduction, or none of the above?

Back

Reduction

Tags

CCSS.8.G.A.3

Front

A scale factor of 1/2 reduces a figure. True or False?

Back

True

Tags

CCSS.8.G.A.3

Front

What scale factor was used to produce the image? (Options: 2, 3, 1/3, 1/2)

Back

2

Tags

CCSS.7.G.A.1

Front

What scale factor was used to produce the image? (Options: 2, -2, 1/2, 1)

Back

1/2

Tags

CCSS.8.G.A.3

Front

Define dilation in geometry.

Back

A transformation that produces a figure similar to the original by enlarging or reducing it.

Tags

CCSS.8.G.A.3

Front

What is a scale factor?

Back

A number that scales, or multiplies, a quantity.

Tags

CCSS.7.G.A.1

Front

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

Back

It enlarges.

Tags

CCSS.8.G.A.3

Front

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

Back

It reduces.

Tags

CCSS.8.G.A.3

Front

What is the effect of a scale factor of 1 on a figure?

Back

The figure remains unchanged.

Tags

CCSS.8.G.A.3