Math-MateSchool maths, made clearer

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Topic 34 · overview

Topic overview

Clear explanations and worked examples from the Math-Mate school maths textbook.

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ACCURACY AND PRECISION

PRECISION IN NUMBERS

ERROR

  • Absolute error
  • Greatest possible error
  • Relative error
  • Percentage error

CALCULATIONS WITH NUMBERS THAT HAVE ERRORS

  • Adding and subtracting numbers with errors
  • Adding or subtracting an exact number
  • Multiplication or division by an exact number
  • Multiplication of numbers with errors
  • Errors in multiplication – simple absolute error method
  • Errors in multiplication – simple relative error method
  • Multiplication of two numbers with large errors – long method
  • Division with two numbers with small errors – simple relative error method
  • Division with two numbers with large errors – long method
  • When is an error large enough to use the long method?
  • Land block sizing question