GCSE Secondary Maths Age 13-17 - Number: Factors - Explained

The video tutorial explains how to find all the factors of 20, emphasizing that factors come in pairs. It starts with the often-overlooked factor 1 and its pair 20, then moves on to other factors like 2 and 10. The tutorial also discusses why certain numbers like 3 and 6 are not factors of 20. Finally, it outlines the scoring criteria for identifying factors, with marks awarded for finding three or more factors and all factors of 20.

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