Lesson3.GCSE Math: Permutations (nPr) Full Exam Lesson & Worked Examples

Описание: This GCSE Mathematics lesson focuses entirely on Permutations (nPr). The lesson explains what permutations are, why order matters, and how to correctly apply the nPr formula in exam-style questions.

What this lesson covers:
• The meaning of permutations
• Why ordering changes the number of arrangements
• The nPr formula and correct substitution
• Fully worked GCSE exam-style permutation questions
• Common mistakes students must avoid in permutation problems

This lesson is suitable for GCSE and IGCSE students who want a clear, exam-focused explanation of permutations. The teaching is direct, structured, and aligned with official examination standards.

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