Dilations and Measurements

Choose the correct scale factor if blue is the new image.

• 2

• 3

• 1/3

• 1/2

Tags

CCSS.8.G.A.3

Hello students! Today you will be working with Dilations, specifically Scale factor. For scale factor all you are going to do is figure out what one shape is multiplied by to make it bigger or smaller. If a shape gets Bigger it will be multiplied by a scale factor that is larger than 1 and smaller if the scale factor is less than 1. Reminder for you to get full points on this assignment what is the percentage you must get past?(answer in the box below)

Tags

CCSS.8.G.A.3

A dilation can produce a smaller figure or a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.8.G.A.3

Does the image show a dilation?

• Yes

• No

Tags

CCSS.HSG.CO.A.2

True of False: When you shrink a figure, you multiply by a fraction. 

• true

• false

Tags

CCSS.8.G.A.3

Dilations are ________ but not congruent.

• Similar

• Flipped

• Rotated

• Congruent

Tags

CCSS.8.G.A.3

If k=1.25 (k is scale factor), then a dilation will result in a(n)______

• reduction

• enlargement

• scale factor

• center of dilation

Tags

CCSS.8.G.A.3

Enlargement or reduction?

• Reduction

• Enlargement 

Tags

CCSS.8.G.A.3

If the scale factor is 5, the new figure will be a......

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3

If the scale factor is 1/2, the new figure will be a......

• Reduction

• Enlargement

Tags

CCSS.8.G.A.3