C = πd: Mixed Review
Mathematics
Grade 6
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet covering the formula C = πd for calculating the circumference of circles, including practice, reasoning, real-world applications, and challenging problems.
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C = πd: Mixed Review
Subject: MathematicsGrade: Grade 6
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Untitled Worksheet
Grade Grade 6
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the circumference of a circle with a diameter of 12 cm.
[2 marks]2.
A circle has a radius of 7 cm. Use the formula C = 2πr to find its circumference.
[3 marks]3.
Plot the graph of y=2x on the provided grid.
[2 marks]4.
Construct a circle with a diameter of 8 cm on the grid. Show all steps.
[3 marks]5.
A circular track has a diameter of 50 meters. What is its circumference? (Use π ≈ 3.14)
[2 marks]6.
Identify and correct the mistake: A student calculated the circumference of a circle with diameter 10 cm as 15 cm.
[2 marks]7.
If the circumference of a circle is 31.4 cm, what is the diameter? (Use π ≈ 3.14)
[2 marks]8.
A bicycle wheel has a diameter of 70 cm. Calculate its circumference.
[3 marks]9.
A circular garden has a diameter of 20 meters. You want to install a fence around it. How much fencing is needed? (Use π ≈ 3.14)
[3 marks]10.
A radius of a circle is doubled. How does the circumference change? Explain your reasoning.
[3 marks]11.
Which of these is a common mistake? Circle with diameter 15 cm was calculated as circumference 45 cm.
[2 marks]12.
Challenge: A circular swimming pool has a circumference of 62.8 meters. What is its diameter? (Use π ≈ 3.14)
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet