
Perimeter and Area with Scale Factor
Authored by Anthony Clark
Mathematics
7th Grade
CCSS covered

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the area ratio of the following rectangles?
10/7
100/49
100/36
4/36
Tags
CCSS.7.G.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The dimensions of a rectangular photo are 3.5 in. x 5 in. The dimensions of the photo are enlarged by a scale factor of 2.5. What is the perimeter of the new photo?
17.7 in2
8.75 in. X 12.5 in.
42.5 in.
There is not enough information.
Tags
CCSS.7.G.A.1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the linear scale factor is 4, what is the area scale factor?
2
8
16
25
Tags
CCSS.7.G.A.1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scale factor of 1/2 is used to change the dimensions of a rectangle with a length of 7 centimeters and a width of 5 centimeters. What is the perimeter of the resulting rectangle?
12
35
24
38
Tags
CCSS.7.G.A.1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scale factor of 2 is used to enlarge the dimensions of a square. What is the effect of this change on the area of the square?
The area will be half as big.
The area will be twice as large.
The area will be 4 times larger.
The area will be 8 times larger.
The area will not change.
Tags
CCSS.7.G.A.1
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
What will be true about this rectangle if you use a scale factor of 1/2 to change the dimensions? Select all that apply.
The new length is 16 in.
The new perimeter is 11 in.
The new perimeter is 21 in.
The new width is 1.5 in.
The new length is 4 in.
Tags
CCSS.7.G.A.1
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Which of the following are 2-dimensional measurements? Select all that apply.
Length of rope
Volume of a cylinder
Area of a square
Area of a triangle
Perimeter of a rectangle
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