1. Scale Factor
& Dilation

2. Think-pair-share:

4. https://www.youtube.com/watch?v=hrSZVj6IqXA&feature=fvwrel

5. Enlargement
multiply by a # greater than 1

6. Worlds Largest
Gummy Bears
BOB- Big Ol Bear 5 pounds
27 pounds $30
$150

7. Enlargement
Scale factor: 12
1.5 cm
3 cm

8. 1.5 cm
Scale
3 cm 1
Factor: 9 2
1.5 cm Scale
3 cm
Factor: 3.3
1.5 cm
Scale
3 cm
Factor: 1.4

9. Reduction
Multiply by a # less than 1

10. Scale Factor: 0.75
8 inches 5 inches

11. 5 inches
8 inches
Scale
Factor: 0.25
5 inches
1
8 inches
Scale
Factor: 5
5 inches
8 inches
Scale 1
Factor: 3

12. Activity:
1) choose an object and place it on table
2) write your scale factor on index card
enlargement: 2.0-100
deduction: 0.0-0.99
3) place card next to object
4) using worksheet, find at least 5
enlargements & 5 deductions