Cheatsheet · Grade 10 · 1 pages · PDF

Multiples and FactorsCheatsheet

The whole topic on a page or two, for the night before.

A complete 18-page IGCSE guide to multiples and factors. It covers finding factors and multiples, prime and composite numbers, testing whether a number is prime, and writing numbers as a product of prime factors using factor trees and division. It then teaches HCF and LCM by both listing and prime factorisation, and the link HCF × LCM = a × b. The final section applies these to real-world sharing, timing and tiling problems. Every method comes with fully worked examples and common mistakes to avoid. It ends with a summary, a keyword guide for choosing HCF or LCM, and exam tips.

Also in the Multiples and Factors pack

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• Main Notes · 19 pages

  Main Notes

  The full notes: one idea per page, a worked example beside every rule.

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• Cheatsheet · 1 page

  Cheatsheet

  The whole topic on a page or two, for the night before.

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  FreeAdd for free

• Worksheet · 25 pages

  Worksheet

  Practice questions in the order the notes teach them.

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• Solutions · 20 pages

  Solutions

  Every worksheet question worked in full.

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