MathsIntegersNatural and Whole Numbers – Review

Natural and Whole Numbers – Review

Table of Contents

  • Natural Numbers – Definition
  • Whole Numbers – Definition
  • Importance of Zero
  • Summary
  • Did You Know?
  • What’s Next?

Before we begin the chapter on Integers, we will revise the concepts of Whole numbers and Natural numbers in this segment.

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    What are Natural numbers?

    • The numbers that are used for counting are called Natural numbers.
    • Natural numbers include 1, 2, 3, 4 and so on.
    • As these numbers are used for counting of objects, they are also known as Counting numbers.

    What are Whole numbers?

    • All-natural numbers and zero are Whole numbers.
    • Whole numbers include 0, 1, 2, 3, 4, and so on.
    • Thus, the set of whole numbers will consist of natural numbers and a zero.

    Why do we use zero?

    Zero is not a natural number as it cannot be used to count any object.

    Zero is an important number. For example,

    If there is a box of empty chocolates, it means the box contains 0 chocolates. Similarly, in the case of a thermometer, sometimes the temperature is close to 0\[0^{\circ} C \].

    Summary

    Natural Numbers

    • Numbers used for counting
    • 1, 2, 3, 4 and so on

    Whole Numbers

    • All the natural numbers and zero
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