O Level Mathematics Revision Notes

Free O Level Mathematics Revision Notes that will help you in revising for your exams. Also, check out our other helpful revision resources for O Level Mathematics (4024).

Revision Notes:


Natural Numbers: The natural numbers include whole numbers except 0. E.g. 1,2,3,4,5,6… Integers: Positive natural numbers, negative natural numbers along with 0 are called integers. -1,-2,-3,0,+1,+2,+3… Prime Numbers: A prime number is a number with exactly two factors (i.e. 1 and itself (1×3)) E.g. 2,3,5,7,111,13,17,19,23,29,31… Composite Numbers: Those numbers which …

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Set Language And Notation

Set: A set is a collection of objects, things or symbols which are clearly identified. The individual objects in the set are called the elements or members of the set. Elements may be specified in two ways: By listing the elements By description E.g. Listing                                                             Description {2, 4, 6, …

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