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Module 9: Permutations & Combinations – Leaving Cert Higher Level Maths This is the part of the course where we start to think differently, not just about solving equations, but about counting possibilities and understanding structure. In this module, we’ll explore how to calculate the number of ways things can be arranged, selected, or grouped. These questions often seem straightforward, but it’s surprisingly easy to make small errors that cost marks, especially under exam pressure. We’ll cover: - The Fundamental Principle of Counting - Permutations (arrangements where order matters) - Combinations (selections where order doesn’t) - How these concepts appear in real Leaving Cert Paper 2 questions This content isn’t just about learning formulas, it’s about knowing when and how to apply them. That’s exactly what we’ll practise together in the live online lessons where we’ll break down past paper questions, explore common traps, and sharpen your problem-solving skills. By the end of this module, you’ll be confident tackling probability-style questions which often rely heavily on a solid understanding of permutations and combinations.