Diameter: Mixed Review
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet covering Diameter with mixed question types to reinforce understanding and application for Year 9 students.
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Diameter: Mixed Review
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
What is the diameter of a circle with a radius of 7 cm?
[2 marks]2.
A circle has a diameter of 12 meters. Calculate the radius.
[2 marks]3.
Construct a circle with a diameter of 10 cm. Draw the diameter clearly on your grid.
[3 marks]4.
A wheel has a diameter of 0.5 meters. How far does it travel in one full rotation?
[3 marks]5.
If the diameter of a circle is doubled, what happens to the circumference?
[1 mark]AIt halves
BIt stays the same
CIt doubles
DIt quadruples
6.
Given a circle with diameter 15 cm, find the length of an arc that subtends a 60° central angle.
[3 marks]7.
Identify the common mistake: A student calculates the diameter by multiplying the radius by 3. What is wrong with this approach?
[2 marks]8.
A circular track has a diameter of 80 meters. Calculate its circumference rounded to the nearest meter.
[3 marks]9.
Challenge: The diameter of a circle is increased by 50%. If the original diameter was 20 cm, what is the new diameter and how does the circumference change?
[4 marks]10.
Calculate the diameter of a circle with a circumference of 31.4 meters.
[3 marks]11.
Explain why the diameter is the longest chord in a circle.
[2 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.
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet