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Year 4 · Place Value

Round to the nearest 100

A number line shows numbers in order. Equal jumps mean equal amounts.

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How to do it

  1. Find two labelled numbers and work out the size of one jump.
  2. Count jumps from a labelled number to the mark you need.

Worked example

519 to the nearest 100
519 is between 500 and 600; halfway is 550.
519 is before halfway, so 500

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Watch out
Count the jumps, not the marks.

Practise Round to the nearest 100 properly

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