Mastering Circles: Area & Circumference
Mathematics
Grade 7
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A worksheet covering Circles: Area & Circumference for Grade 7 students.
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Mastering Circles: Area & Circumference
Subject: MathematicsGrade: Grade 7
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Date:
Untitled Worksheet
Grade Grade 7
A
Introduction
Review the key formulas: Circumference = 2πr and Area = πr², where r is the radius.
B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Calculate the circumference of a circle with a radius of 7 cm.
[2 marks]2.
Find the area of a circle with a radius of 5 meters.
[2 marks]3.
What is the circumference of a circle with diameter 12 cm?
[2 marks]4.
If the radius of a circle is doubled, how does the area change?
[2 marks]5.
A circle has a circumference of 31.4 meters. What is its radius? (Use π ≈ 3.14)
[3 marks]6.
Calculate the area of a circle with diameter 10 cm.
[2 marks]7.
A bicycle wheel has a radius of 0.35 meters. Find its circumference.
[2 marks]8.
Estimate the area of a circle with a diameter of 14 cm.
[2 marks]9.
A circular garden has an area of 50 m². What is the approximate radius? (Use π ≈ 3.14)
[3 marks]10.
A coin has a diameter of 2.5 cm. Calculate its circumference.
[2 marks]11.
A circular track has a radius of 100 meters. Find the length of the track.
[2 marks]12.
Challenge: A circular pond has a circumference of 62.8 meters. Find its radius.
[3 marks]13.
Real-world: A circular table has a diameter of 1.2 meters. How much length of material is needed to cover the edge (the circumference)?
[3 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet