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Counting Number

Meaning

When we measure, we start at 0 and may use any numbers (like one third, or 2.5, or seventy).

When we count, we use only whole numbers, and as we point to the objects, the first number we say is 1.

The counting numbers are the numbers used in counting: 1, 2, 3, 4...

Related mathematical ideas

To see more about how counting numbers are distinguished from other related sets of numbers, see:

  • natural numbers
  • whole numbers
  • integers