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Year 1 · Place Value

10 more or 10 less

On a hundred chart each row has 10 numbers, so moving down adds 10 and moving right adds 1.

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How to do it

  1. Right: +1. Left: −1.
  2. Down: +10. Up: −10.

Worked example

The number below 47
47 + 10
57

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The last column is the tens: 10, 20, 30…

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