1. Scale Factor and the relationship to area and volume PRE TEST
GLE
SPI:
Scale Factor and the relationship to area and volume PRE TEST

2. Let’s review, what we know about similar shapes.x
1.75 cm
2.8 cm
5.6 cm
Solve for x
What is the scale factor?

3. What is the scale factor?
Try again
8 m x
6 m
1.5 m
Solve for x
What is the scale factor?

4. The second
quadrilateral
is half as tall
and half
as wide.
3.5 cm
5.6 cm
This means the
scale factor is ?.
1.75 cm
2.8 cm

5. If the next shape triples in size, what is the area of the larger 4 6 5

6. Using the formula
for scale factor, what is
the area of the red
rectangle? 2m 6m
18m

7. If the scale factor is ½
what would be the
area of the smaller?
10 cm

8. 5 cm
3 cm
10 cm
30 cm
The scale factor is 3, because
the size has tripled. What is the
volume of the larger prism?

9. 5 m 5 m 30 m 10 m What is the scale factor?
What is the volume of the small?

10. Now Check yourself !!
length
width
Scale factor 3 5 20 40
Answers:

11. Now Check yourself !! 3 6 2 30 60 20 1/5 Answers:
length
width
height
Scale factor 3 6 2 30 60 20
1/5
Answers:
Assume all the shapes are cubes