Mathematics flashcards

Rounding, Estimation and Bounds

Exam code: 05801/20
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FrontRounding to a place value

State the rounding rule.

BackRounding to a place value

To round to a given place value:

  • Locate the digit in that place.
  • Look at the single digit immediately to its right, ignoring everything beyond it.
  • 5 or more rounds up; 4 or less leaves the digit unchanged.

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