Maths Revision Notes Part 1 (Numbers)

Hey, here is part 1 of my Maths revision notes. It has notes HCF, LCM, prime factors, nth term, rationalising denominators, fractions, percentages, compund interest, decimals, ratios, surds and more. Look out for the next parts of the maths revision notes, there will be 6 in total. I hope this helps you to revise. Please rate and comment on how to improve :D

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  • Created by: I P B
  • Created on: 07-04-10 14:15
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THE DIFFERENT PARTS:
1. Numbers
2. Shape and Algebra
3. Trigonometry
4. Graphs
5. Handling Data
6. Algebra
This part focuses on
Numbers…read more

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NUMBERS!…read more

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PRIME NUMBERS
· 1 is not a prime number
· The first four prime numbers are 2,3,5,7
· Prime numbers are numbers which only
have factors of themselves and 1
To find a prime number:
1. It must end in 1,3,7 or 9
2. It wont divide by any of the primes below
the value of its own square root!…read more

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PRIME FACTORS
· Any number can be broken down into prime
factors
· You use a prime factor tree…read more

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FINDING THE LOWEST COMMON
MULTIPLE (LCM)
· Write the numbers as products of their
prime factors (use factor tree)
· Circle the common factors
· Multiply all the numbers together but only
include the common factors once
Example: Find the LCM of 8 and 6
8=2x2x2
6= 2x3
= 2 x 2 x 3 x 2 = 24…read more

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Comments

daviesg

A really well written and presented set of revision notes covering number aspects such as fractions, percentages, types of numbers etc.

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