Do I need an account to practise Surface area of spheres?

No. You can start practising Surface area of spheres straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.

Surface area

Surface area of spheres

Q: What are the common mistakes in Surface area of spheres?

Omits the factor of 4 from the sphere surface area formula Gives the radius when the diameter was asked (or vice versa) after reverse-calculating from a circle's area Did not divide by 4pi correctly

9 self-marking GCSE and IGCSE practice questions on Surface area of spheres, 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 Extended tier. Instant marking with full worked solutions on every question.

Start practising Surface area of spheres (no account needed)

Sample Surface area of spheres questions

A few of the 9 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

Question 12 marksGrade 3-4
A sphere has a radius of $5$ cm. Calculate the surface area of the sphere. Give your answer correct to 1 decimal place.
Show the worked solution
Surface area of sphere $= 4\pi r^2$

What are the common mistakes in Surface area of spheres?

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.

Omits the factor of 4 from the sphere surface area formula
Calculated $\pi \times 2^2 ≈ 12.57$ , forgetting the factor of 4 in $A = 4\pi r^2$

Quick answers about Surface area of spheres

How many Surface area of spheres practice questions are there?: There are 9 self-marking GCSE and IGCSE Maths questions on Surface area of spheres, 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 Extended tier. Each one is marked instantly and has a full worked solution.
Do I need an account to practise Surface area of spheres?: No. You can start practising Surface area of spheres straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.