Word Problems: Mixed Review on Mean (Average)
Mathematics
Grade 8
13 questions
~26 mins
1 views0 downloads
About This Worksheet
A worksheet focused on solving various types of word problems involving the mean (average). Students will practice procedural calculations, multi-step reasoning, real-world applications, and challenge problems to deepen their understanding of the concept.
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Word Problems: Mixed Review on Mean (Average)
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the mean score of the following test results: 78, 85, 92, 88, 76.
[2 marks]2.
A class has 30 students. The average height is 150 cm. If 5 students are measured and their average height is 155 cm, what is the total height of all students in the class?
[3 marks]3.
The daily sales of a store over 7 days are: 120, 135, 150, 140, 125, 130, 145. Find the average daily sales.
[2 marks]4.
In a survey, 50 people were asked how many hours they sleep each night. The total hours of sleep recorded was 4000 hours. What is the average sleep per person?
[2 marks]5.
A basketball team has scores of 22, 25, 20, 24, and 23 points in five games. Calculate their average score per game.
[2 marks]6.
A factory produces 200 units of a product daily. Over a week, the daily production is as follows: 200, 210, 190, 205, 195, 200, 210. Find the weekly average production.
[2 marks]7.
A bus travels distances of 60 km, 75 km, 80 km, and 65 km over four days. What is the average distance traveled per day?
[2 marks]8.
A student scores 85, 90, and 95 on three quizzes. They want an average score of at least 92 after taking a fourth quiz. What is the minimum score they need on the fourth quiz?
[3 marks]9.
The ages of 5 siblings are 12, 14, 13, 15, and 16. Find the mean age.
[2 marks]10.
If a set of numbers has a mean of 20 and four of the numbers are 18, 22, 19, and 21, what is the fifth number?
[2 marks]11.
A bakery sells 120, 130, 125, 135, and 140 loaves of bread over five days. What is the average number of loaves sold per day?
[2 marks]12.
Error Analysis: A student calculated the mean of 10, 15, 20, and 25 as 18. Identify and correct the mistake, then find the correct mean.
[3 marks]13.
Challenge Question: A car’s fuel consumption over 4 trips was 8 L, 9 L, 7 L, and 10 L. If the driver wants an average of 9 L per trip, what is the minimum amount of fuel needed for the fifth trip?
[3 marks]Quick Actions
What is Remix?
Create a new worksheet based on this one. Change the grade level, topic, number of questions, or difficulty - then generate a fresh version.
- • Change grade level (Grade 6 → Grade 7)
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- • Add more questions (10 → 15)
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet