Proportion
Authored by Jenny Gonzales
Mathematics
9th Grade
CCSS covered
Used 14+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
It is the comparison of two quantities by an indicated division.
Ratio
Decimal
Fraction
Proportion
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
2.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
Ms. Jean’s class has 32 students, of which 20 are girls. What is the ratio of girls to boys?
3:5
5:3
2:5
5:2
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
A backyard pond has 12 sunfish and 30 goldfish. What is the ratio of sunfish to goldfish in its simplest form?
2:5
5:2
3:5
5:3
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
4.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
In the faculty, 10 of the faculty members are men and 15 of them were women. What is the ratio of men to women?
3:2
5:3
2:3
3:5
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
5.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
The length of a rectangular garden is 20ft and the width is 15feet. What is the ratio of length to width?
3:4
5:4
4:5
4:3
Tags
CCSS.6.RP.A.1
CCSS.6.RP.A.2
6.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
The ratio of the number of boys to the number of girls in the mathematics club is 4 to 5. If there are 25 girls in the club, how many boys are in the club?
Let x be the number of boys in the club. (Show yor solution)
15 boys
20 boys
25 boys
30 boys
Answer explanation
4:5 = _:25
multiply the extremes
(4)(25) = 100
The resulting number will be divided by the means, 5.
100 ÷ 5 = 20
20 boys
7.
MULTIPLE CHOICE QUESTION
30 sec • 3 pts
In a photograph, Jane is 9 cm tall, and her brother John is 10 cm tall. Jane’s actual height is 153 cm. What is John’s actual height? Let 𝑥 be the actual height of John in cm. (Show your solution)
150 cm
160 cm
170 cm
180 cm
Answer explanation
9:10 = 153:_
multiply the means
(10)(153) = 1530
the resulting number will be divided by the extremes 9
1530 ÷ 9 = 170
John's actual height is 170 cm
Tags
CCSS.6.RP.A.3B
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