number notes

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Calculating tips

BODMAS

  • Brackets, Other, Division, Multiplication, Addition, Subtraction
  • tells you the order in which these operations should be done

Types of number

integers- a whole number

rational numbers- integers, fractions, terminating or recurring decimals

irrational numbers- can't be written as fractions, never-ending, non-repeating decimals

squares and cubes

squares- 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225

cubes- 1, 8, 27, 64, 125, 1000

prime numbers- 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43

multiples, factors and prime factors

multiples- a number's times table

factors- all the numbers that divide into a number

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