Dilations and Scale Factor

If the scale factor is less than one, the new figure will be

• an enlargement
• a reduction
• a scale factor
• bigger

Tags

CCSS.8.G.A.3

If the scale factor is greater than one, the new figure will be

• a reduction
• an enlargement
• a scale
• not proportional

Tags

CCSS.8.G.A.3

Which is an example of a reduction?

• k = 1/2
• k = 1
• 3:2
• 250%

Tags

CCSS.7.RP.A.3

Which is an example of an enlargement?

• k = 1/2
• k = 1
• 2:3
• 2.5

Tags

CCSS.8.G.A.3

In a dilation what mathematical operation is used with the scale factor?

• addition 
• subtraction 
• multiplication 
• division 

Tags

CCSS.8.G.A.3

A dilation produces a similar figure

• True
• False

Tags

CCSS.8.G.A.3

What is the scale factor?

• 1

• 2

• 1/2

• -2

Tags

CCSS.7.G.A.1

what is the scale factor?

• 1

• 3

• 1/3

• 8

Tags

CCSS.7.G.A.1

_________ ________ is the number you multiply by the sides to create a similar figure.

• Scale Factor
• Corresponding Angle
• Pi
• Mid Point

Tags

CCSS.7.G.A.1

Are the following similar? Why or why not?

• Yes, because the corresponding angles are congruent.
• No, the numbers are even
• No, the sides are 2 times larger, but the width is the same.

Tags

CCSS.HSG.SRT.A.2