1. Page 7
Original Expression:
Step 1:
Step 2:
Step 3:

3. Page 8 Rectangle A is the original 8.5 x 11 inch paper.
What are the dimensions of the following rectangles (B, C, D, and E)?
What fraction of the original A rectangle does each represent?
How do you think this is represented in a dilation?

4. The scale factor is 1:2 because all dimensions on Triangle ABC are doubled to product the similar triangle DEF.

5. Page 10

6. Page 10
Does Rectangle B appear to be an enlargement or reduction of Rectangle R?
Use the following sentence frame:
“The length and width of Rectangle B are each ________  the length and width of Rectangle R. Therefore scale factor is _______.

7. Page 10
Does Rectangle C appear to be an enlargement or reduction of Rectangle B?
Use the following sentence frame:
“The length and width of Rectangle C are each ________  the length and width of Rectangle B. Therefore scale factor is _______.

8. Page 10
Does Rectangle C appear to be an enlargement or reduction of Rectangle R?
Use the following sentence frame:
“The length and width of Rectangle C are each ________  the length and width of Rectangle R. Therefore scale factor is _______.

9. Page 10

10. Page 12
How does the length of 12cm compare to the width of 3cm in Rectangle A?
Rectangle A

11. Rectangle A
How does the length of 12cm compare to the width of 3cm in Rectangle A?
6 x 1.5
10 x 2
13 x 4

12. Page 12

13. Page 13

14. . . . Page 13 If the scale factor is , will the new image be
an enlargement or reduction of the pre-image? . . .
Pre-image
Image

15. Page 13
If the scale factor is 2 , will the new image be an enlargement or reduction of the pre-image? . . . .
Pre-image
Image

16. Page 13
If the scale factor is , will the new image be an enlargement or reduction of the pre-image? . . . . . . .
Pre-image
Image

17. Page 13

18. Page 14
Given: o
m CBA = 38