Exam-type questions that gradually increase in difficulty. This sheet covers prime factorisation and finding the HCF and LCM of two (or three) numbers.
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Note that these questions cover the full range of skills tested in GCSE and IGCSE for this topic and there are some problems solving questions at the end. Detailed solutions are included, as is a NEW STYLE of PowerPoint, which allows the questions and their solutions to be easily selected for enlarged display onto a screen, one at a time – this makes it easier (and quicker) to go through the solutions in class 😀.
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