GCSE Maths Revision Guide
Surface Area of Cones/Spheres
Using complex surface area formulas (often given in exams). This free GCSE Maths module combines short explanations, worked examples, flashcard-style recall, and timed practice so students can revise the topic without creating an account.
Foundation Skills
Using the Formula Sheet
Many advanced shape formulas are provided. Your job is to carefully substitute the radius and height into them.
Higher Skills
Formulas
Curved SA of Cone = πrl (where l is slant height). SA of Sphere = 4πr².