Calculating Averages and Sums
Authored by Alicia Ipina
Mathematics
9th - 12th Grade
CCSS covered
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The average of 8 test scores is 72. What is the sum of all the test scores?
576
500
560
567
Tags
CCSS.7.EE.B.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sum of 5 quiz scores is 365. What is the average score?
73
70
65
63
Tags
CCSS.7.EE.B.3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The average of 20 numbers is 4.5. If one more number (a 10) is added to the group, what is the new average?
4.76
5
4
4.67
Tags
CCSS.7.NS.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A basketball player scored the following points in five games: 12, 15, 18, 20, and x. If their average is 17, what is the value of x?
20
15
12
18
Tags
CCSS.7.EE.B.3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A class has 8 students with an average of 75, and 12 students with an average of 85. What is the overall class average?
78
81
82
84
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a science fair, 10 projects from freshmen scored an average of 70, and 5 projects from sophomores scored an average of 90.
What was the overall average score?
75
76.7
78
80
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A company has two departments.
Department A: 20 employees, average salary = $40,000
Department B: 10 employees, average salary = $55,000
What is the company’s overall average salary?
$45,000
$46,667
$48,333
$50,000
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