Transcript
Scale Factor& Dilation
Think-pair-share:
https://www.youtube.com/watch?v=hrSZVj6IqXA&feature=fvwrel
Enlargementmultiply by a # greater than 1
BOB- Big Ol Bear
27 pounds
$150
Worlds Largest Gummy Bears
5 pounds
$30
1.5 cm
3 c
m
Scale factor: 12
Enlargement
Scale Factor: 9 1
2
Scale Factor: 3.3
Scale Factor: 1.4
1.5 cm
3 c
m
1.5 cm
3 c
m
1.5 cm
3 c
m
ReductionMultiply by a # less than 1
5 inches8
inch
es
Scale Factor: 0.75
5 inches
8 in
ches Scale
Factor: 0.25
5 inches
8 in
ches
5 inches
8 in
ches
ScaleFactor:
15
ScaleFactor:
13
Activity:1) choose an object and place it on table
2) write your scale factor on index card
enlargement: 1.9-100
deduction: 0.0-0.99
3) place card next to object
4) using worksheet, find at least 5 enlargements & 5 deductions
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