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Saturday 3 December 2011

YEAR4/ UNIT 1 WHOLE NUMBERS-round off numbers

KEY NOTES
  • to round off to the nearest ten - look at the ones digit.
  • to round off to the nearest hundred - look at the tens digit.
  • to round off to the nearest thousand - look at the hundreds digit.
  • if the ones, tens and hundreds digit is 5 or greater,round up, otherwise round down.

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