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Summary Number Properties GCSE WJEC Maths

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This powerpoint is an excellent explanation and summary of the key part of the WJEC GCSE new maths course which includes examples and a test at the end with a challenge question.

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Number Properties
Simple Tips and Tricks

, Factors
A factor is a number that divides exactly into another number.
For example the factors of 24 are: 1, 2, 3, 4, 6, 8, 12, 24.


A quick way to find factors is to write them in pairs:

24

1 x 24
2 x 12
3 x 8
4 x 6

Table of contents

  1. 01 Slide 1 1
  2. 02 Factors 2
  3. 03 Multiples 3
  4. 04 Prime Numbers 4
  5. 05 Composite Numbers 5
  6. 06 Prime Factor Decomposition 6
  7. 07 Highest Common Factor (HCF) 7
  8. 08 Lowest Common Multiple (LCM) 8
  9. 09 HCF vs LCM 9
  10. 10 Square Numbers 10
  11. 11 Cube Numbers 11
  12. 12 Triangular Numbers 12
  13. 13 Common Mistakes 13
  14. 14 Practice Questions 14
  15. 15 Answers 15

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July 11, 2026
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