Range: Problem Solving & Reasoning

Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads

About This Worksheet

A worksheet focusing on understanding and calculating the range from stem and leaf diagrams, including problem solving and real-world applications.

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Full preview • 11 questions

Range: Problem Solving & Reasoning

Subject: MathematicsGrade: Grade 8
Name:
Date:
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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 range of the following data set: 12, 15, 19, 13, 17, 14.
[2 marks]
2.
The stem and leaf diagram shows the data: 3|2 3 5, 4|1 4 6, 5|0 2 3. Find the range of all the data values.
[2 marks]
3.
A set of test scores is represented in a stem and leaf diagram. The scores are: 2|3 4 6, 3|0 2 4, 4|1 3 5. What is the range of these scores?
[2 marks]
4.
In a class, the heights of students are recorded in a stem and leaf diagram. The heights are: 150|2 4 7, 160|3 5 8, 170|1 3 5. What is the range of heights?
[2 marks]
5.
A researcher records daily temperatures for a week: 18, 21, 19, 22, 20, 21, 23. Calculate the range of these temperatures.
[2 marks]
6.
Using the stem and leaf diagram: 4|2 3 8, 5|0 2 5, 6|1 3 9, find the range of the data.
[2 marks]
7.
A set of rainfall data shows the following in a stem and leaf diagram: 1|0 2 4, 2|1 3 9, 3|0 5 8. What is the range of the rainfall measurements?
[2 marks]
8.
A student’s quiz scores are: 65, 70, 75, 80, 85. Find the range of these scores.
[2 marks]
9.
A company's sales in units over five days are: 150, 170, 160, 180, 165. What is the range of the sales figures?
[2 marks]
10.
A survey records the number of books read by students in a month: 2, 4, 5, 3, 6, 4, 5. Calculate the range of the data.
[2 marks]
11.
Identify and correct the mistake: A student calculated the range of data set 10, 12, 15, 11, 18 as 8, but the actual range is 8. What did the student do wrong?
[3 marks]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet