A comprehensive lesson on changing the subject where factorisation is required, featuring a carefully sequenced set of questions that increase in difficulty. The lesson includes applications to real-life contexts as well as reasoning-based problems to deepen understanding.

This resource is designed with a clear focus on effective teaching by addressing:

• What students are learning, with explicit learning objectives.
• Why the content matters, including meaningful connections to real-world situations.
• How students develop the skill, through a structured progression of examples and a gradual release approach.
• Where students can go next, with opportunities for further practice and extension.
• Success for all learners, ensuring accessibility, support, and challenge for every student.