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Area and Perimeter

Circumference of a circle

32 self-marking GCSE and IGCSE practice questions on Circumference of a circle, written specifically for AQA, Pearson, OCR, Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Foundation and Higher and Core and Extended tier. Instant marking with full worked solutions on every question.

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Sample Circumference of a circle questions

A few of the 32 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

Question 12 marksGrade 3-4
A circle has a radius of $7$ cm. Calculate the circumference of the circle. Give your answer correct to 1 decimal place.
Show the worked solution
Circumference $= 2\pi r$
$= 2\pi \times 7$

What are the common mistakes in Circumference of a circle?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

Confuses radius and diameter when calculating a circle's circumference
Calculated $2\pi \times 10 = 20\pi$ , using diameter ( $10$ cm) instead of radius ( $5$ cm) in the formula $C = 2\pi r$

Quick answers about Circumference of a circle

How many Circumference of a circle practice questions are there?: There are 32 self-marking GCSE and IGCSE Maths questions on Circumference of a circle, written for AQA, Pearson, OCR, Pearson International GCSE Maths A (4MA1), Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Foundation and Higher and Core and Extended tier. Each one is marked instantly and has a full worked solution.
Do I need an account to practise Circumference of a circle?: No. You can start practising Circumference of a circle straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.