GCSE Maths (Edexcel)

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Rounding to Place Value

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Number Measures and Accuracy

Rounding to Place Value

4:06 Rounding
Spec N15
Previous Using a Calculator Next Rounding to Decimal Places
  • Rounding a number to a certain number of place values is useful
  • To round to the nearest 10, 100, etc., look at the digit to the right of the column being rounded to
  • If the digit to the right is 5 or more, round upwards
  • If the digit to the right is 4 or less, round downwards
  • The exception is the number five, which is rounded up by convention
  • Example: rounding 2,354 to the nearest 10
  • Example: rounding 5,555 to the nearest 100

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