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7 - 5.3 Activity
Test Description: Writing Proportions
Instructions: Answer all questions to get your test result.
1) Write a proportion to find how many points a student needs to earn on the test to get the given score. Test worth 70 points; test score of 90%
A
x/70 = 90/100
B
70/x = 90/100
C
x/70 = 100/90
D
x/100 = 70/90
2) Write a proportion to find how many points a student needs to earn on the test to get the given score. Test worth 30 points; test score of 72%
A
30/x = 72/100
B
x/30 = 72/100
C
x/30 = 100/72
D
x/100 = 30/72
3) Write a proportion to find how many points a student needs to earn on the test to get the given score. Test worth 50 points; test score of 40%
A
x/50 = 40/100
B
x/50 = 100/40
C
50/x = 40/100
D
x/100 = 50 / 40
4) Write a proportion to find how many points a student needs to earn on the test to get the given score. Test worth 50 points; test score of 78%
A
x/100 = 50/78
B
x/50 = 100/78
C
x/50 = 78/100
D
50/x = 78/100
5) Write a proportion to find how many free throws a player needs to get the given score. 15 free-throw attempts; free-throw score of 60%
A
x/15 = 100/60
B
x/100 = 15/60
C
x/15 = 60/100
D
15/x = 60/100
6) Write a proportion to find how many free throws a player needs to get the given score. 24 free-throw attempts; free-throw score of 75%
A
x/24 = 75/100
B
x/100 = 24/75
C
24/x = 75/100
D
x/24 = 100/75
7) You can buy 3 T-shirts for $24. Write a proportion that gives the cost c of buying 7 T-shirts.
A
24/3 = 7/c
B
3/24 = 7/c
C
3/c = 24/7
D
3/24 = c/7
8) A school requires 2 computers for every 5 students. Write a proportion that gives the number c of computers needed for 145 students.
A
2/5 = c/145
B
5/2 = c/145
C
2/c = 145/5
D
2/5 = 145/c
9) Solve the proportion. 2/3 = a/15
A
a = 12
B
a = 5
C
a = 10
D
a = 2
10) Solve the proportion. 4/7 = 44/m
A
m = 18
B
m = 77
C
m = 47
D
m = 11
11) Solve the proportion. d/6 = 72/48
A
d = 8
B
d = 64
C
d = 7
D
d = 9
*select an answer for all questions
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