2.36 Solve by Completing the Square Higher GCSE PowerPoint Lesson

This 17-slide lesson progresses on to completing the square as a method for solving a quadratic. Students will learn to solve by completing the square for monic quadratics (where the coefficient of x^2 is 1), developing fluency in rewriting and solving. Students are asked to give answers both in surd form as well as rounded values. As a challenge, students will be asked to prove the quadratic formula by completing the square.

This content is on the Higher tier only.

The lesson includes:

• Clear, guided examples

• Discussion opportunities from Think, Pair, Share

• Mini whiteboard section to check understanding and clarify misconceptions

• One structured task to practise key skills

• Challenge activity to extend and deepen learning

Perfect for engaging learners while reinforcing essential algebra concepts.