Weighted Average

What is the average number of students in each class if there are 250 students in 10 classes?

• 240
• 25

Tags

CCSS.3.OA.A.3

On the semester final, Joe scored 85, Jill scored 89, and Bill scored a 99.What was the average score for these students? _________

• 91
• 273

Tags

CCSS.7.EE.B.3

Mary read six books in January, four books in February, and eight books in March.What was the average number of books read each month? __________

• 18
• 6
• 14

Tags

CCSS.3.OA.D.8

Clayton plays basketball on a team. He has played three
games so far. In the first game, he scored 10 points. In
the second game, he scored 14 points. In the third game,
he scored 6 points. What is Clayton's average points per
game?

• 30
• 12
• 3
• 10

Mandy earns money by delivering groceries. She earned
$4 on Monday, $7 on Tuesday, $5 on Wednesday, $4 on
Thursday, and $5 on Friday. What is the average amount
of money Mandy earned per day?

• 25
• 5
• 21

Tags

CCSS.3.OA.D.8

Find the class grade for a student with grades: Test 89%, Quiz 92, Homework 86%, and Classwork 95%.
Tests are 60% of the grade, Quiz 15%, Homework is 10% of the grade, and Classwork is 15% of the grade.

• 89.25
• 91.55
• 90.05
• i don't know

Tags

CCSS.6.EE.B.6

Why would you use a weighted average instead of a traditional average calculation?

• Because you have a lot of numbers
• Because the value you are trying to calculate is made up of categories which each have different weights.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5

A student's grade in a Psychology course is comprised of tests (40%), quizzes (20%), papers (20%), and a final project (20%). His scores for each of the categories are 85 (tests), 100 (quizzes), 92 (papers) and 84 (final project). Calculate his overall grade.

• 90.25
• 88.2
• 89.2
• 86.7

Tags

CCSS.5.NBT.B.7

A history professor weights his grades as follows:

Tests 50%

Attendance 25%

Final exam 25%

If Susy earned an average of 91 on her tests, 80 on her attendance and 85 on her final exam, what will her final grade in the class be?

• 85.33

• 85

• 86.75

• 83.75

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

Find the slugging average for Kris Bryant (stats of 9/22/16).
H=170
2B=35
3B=3
HR=38
AB=576

• .503
• .544
• .564
• 1.2