GCSE Maths Revision Guide
Expanding & Factorising (Calc)
Expanding double brackets and extracting common factors. 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
Single Brackets
Multiply the outside term by EVERYTHING inside. 3x(x - 4) = 3x² - 12x.
Higher Skills
Double Brackets (FOIL)
First, Outer, Inner, Last. (x+2)(x+3) = x² + 3x + 2x + 6 = x² + 5x + 6.