Factorising Harder Quadratics: IGCSE lesson with A* challenge

Split the middle, fill the grid, read the brackets: ax² + bx + c made visual with the area model, including negative and hidden quadratics.

A complete, ready to teach 45 minute lesson for IGCSE Mathematics Extended (Cambridge 0580) and GCSE Higher. Higher challenge throughout: about 60% of the practice is at A or A* level, with clear language that also works for EAL learners.

What is inside:

• Editable PowerPoint lesson (17 slides) with diagram led teaching slides, callouts that build on click, worked examples, a hinge question and answers on click for every question
• One page visual handout for students to keep
• Worksheet: Factor Grid Puzzle, plus an A* exam style question
• Teacher notes with a 45 minute lesson sequence, differentiation, assessment for learning and homework answers
• Original homework with answers

All content is original. Fonts: Calibri and Cambria (standard Office fonts).