GCSE Maths Revision Guide
Substitution (Calc)
Substituting decimals and negatives into complex equations. 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 Brackets
When substituting negative numbers into a calculator, ALWAYS put them in brackets. E.g. (-3)Ā².
Higher Skills
Kinematics Equations
Substituting values into vĀ² = uĀ² + 2as. Remember to square root at the very end to find v!