Completing the square is a key higher GCSE maths topic. It shows up in different ways: Solving quadratics Turning points Graph questions And it’s often worth good marks. But many students avoid it because it looks more complicated than it actually is. Once they understand the steps and the structure, it becomes a very repeatable method. And for students aiming at grades 6–9, it’s an important one to secure. This video breaks completing the square down clearly so they can follow it step by step a

GCSE Maths: Completing the Square (Full Step-by-Step Lesson)

Completing the Square Method Explained for Grade 9 Math

Completing the square