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Whole-number place value, step by step

The 4 in 347 is worth forty, and knowing that is what separates reading a number from understanding one.

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The question

What is the 5 worth in 501?

number:501
number:501
number:501
5→500
  1. Each column is worth ten times the one to its right. Counting them is what tells you the value; the name on its own is the thing that goes wrong under pressure.
  2. Count in from the right: the 5 sits in the hundreds.
  3. Its VALUE is what it is worth there, not the digit itself: 5 in the hundreds is 500. That gap between "5" and "500" is the whole of this topic.

How it works.

  1. 01

    Each column is worth ten times the one to its right. Counting them is what tells you the value; the name on its own is the thing that goes wrong under pressure.

  2. 02

    Count in from the right: the 5 sits in the hundreds.

  3. 03

    Its VALUE is what it is worth there, not the digit itself: 5 in the hundreds is 500. That gap between "5" and "500" is the whole of this topic.

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