GCSE Maths Revision Guide
Iteration
Using iterative formulas to approximate roots of 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
What is iteration?
Repeating a process using the previous answer. We use x₁ to find x₂, then x₂ to find x₃.
Higher Skills
Calculator Trick
Type your starting value (e.g. 5) and press =. Then type the formula using the `ANS` button. Keep pressing = to find successive iterations!