UK KS3-KS4

Recognise similar triangles, match vertices and calculate missing lengths. Apply proportional reasoning to shadows, with explicit measurement assumptions. Includes homework and worked answers.

What’s included

• 16 pages in colour and black-and-white, each in A4 and US Letter (four PDFs with matching teaching content).
• 11 editable PowerPoint teaching slides with teacher notes and editable diagrams.
• Readiness check, worked models, classroom practice and reasoning.
• Separate homework, an exit check and a reference summary.
• Worked answers, teaching guidance and editable question text.

HOW DID WE DO?

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