Scale Factor on Perimeter and Area
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does scale factor change the perimeter?
by the scale factor
by the scale factor squared
by the scale factor cubed
Tags
CCSS.7.G.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How does scale factor change the area?
by the scale factor
by the scale factor squared
by the scale factor cubed
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The original perimeter of a rectangle is 30cm, if we enlarge it by a scale factor of 4 what is the new perimeter?
120
480
1920
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The original area of a rectangle is 25cm2 , if we enlarge it by a scale factor of 6 what is the new area?
150
900
5400
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Choose the correct scale factor:
2
3
1/3
1/2
Tags
CCSS.HSG.CO.A.2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The figures are similar. What is the ratio of their perimeters?
18/24
3/4
1/2
36/24
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Find the ratio (red to blue) of the perimeter.
11/6
6/11
121/36
36/121
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