Introduction to Numbers: Meaning and Classification of Numbers


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Lesson 1.1: Introduction to Numbers: Meaning & Classification of Numbers

Meaning of Numbers

Numbers are mathematical units or elements that can be ordered in a way or be subjected to basic operations like addition, subtraction, multiplication, and division.

Classification of Numbers

Complex numbers, the general term for numbers are divided into 2:

1. Imaginary numbers (Examples: 2i, 4i)

2. Real numbers

    (a) Irrational numbers (Examples: surd, e, pie, etc)

    (b) Rational numbers

          (i) Non-integers or Non-integer numbers or fractions (Examples: 5/7, etc)

          (ii) Integers

                (1) Negative integers or numbers (Examples: – 8, -45, etc)

                 (2) Positive intergers or numbers or whole numbers

                       (a) Zero (0)

                        (b) Natural numbers ( Examples: 3, 25, 467, etc)

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Introduction to Numbers

The blog video post on ‘Introduction to Numbers: Meaning and Classification of Numbers’ is categorized under Children and Students’ Mathematics Education.

Our Kids’ and Students’ Online Mathematics video lessons are to teach and impart the knowledge, skills, and abilities of Mathematics to the younger generation to empower them for future sustenance – Eduonwheels

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