4.12 AMDM Weighted Averages Practice

Jeff has four grades from tests and IXL. They are all weighted equally. If Jeff's grades are 100, 96, 96, and 100, what Jeff's current average grade?

• 96

• 97

• 98

• 100

Tags

CCSS.6.SP.A.2

CCSS.6.SP.A.3

CCSS.6.SP.B.5

James worked for 12 consecutive days, earning an average wage of $160 per day as a contractor. During the first 6 days, James averaged $140 per day and his average wage for the next 5 days was $175. How much did he earn on the last day?

• $1715

• $205

• $160

• $140

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

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

Test Average = [65, 75, 82, 88, 95]
Final Exam Grade = 88
 Hk = [95, 90, 85, 90, 95, 100, 95, 94]
Class Part = [95, 90, 100, 95, 95, 90, 100]  
Calculate the weighted average on System 1

• 87.15
• 87.65
• 88.15
• 86.15

Test Average = [65, 75, 82, 88, 95]
 Hk = [95, 90, 85, 90, 95, 100, 95, 94]
Class Part = [95, 90, 100, 95, 95, 90, 100]

 If you had not taken your final exam yet and needed a 90 in the class to make your parents happy, what would you have to make? Is it possible?   System 1 _____________________

• 99.4
• 101.4
• 90
• 100

Tags

CCSS.7.NS.A.3

Which average has been calculated incorrectly?

• A

• B

• C

• D

• None

Tags

CCSS.6.SP.B.5C