Number System

From time immemorial human beings have been trying to have a count of their belongings- goods, ornaments, jewels, animals, trees, sheep or goats, etc. by using various techniques. One of the greatest inventions in the history of civilization is the creation of numbers.

Introduction to Numbers

  1. Numbers
  2. Natural Numbers
  3. Whole Numbers
  4. Integers
  5. Rational Numbers
  6. Decimal Form of Rational Number
  7. Irrational Numbers

B. Exponents and Radicals

  1. Law of Exponents

C. More on Numbers

  1. Factors and Multiples
  2. Prime and Composite Numbers
  3. Even and Odd Numbers
  4. Tests for Divisibility of Numbers
  5. Prime Factorisation
  6. Highest Common Factor
  7. Lowest Common Multiple

D. Percentages and Applications

  1. Percent
  2. Profit and Loss
  3. Discount
  4. Simple Interest
  5. Compound Interest