Natural Numbers
  • Introduction to Natural Numbers
  • Factors of a natural number
  • Prime and Composite Numbers
  • Sieve of Eratosthenes
  • Twin prime and Co prime numbers
  • Prime factors
  • Divisibility Tests
  • Deriving other Divisibility Tests
  • Highest Common Factor (HCF)
  • Other methods to find HCF
  • More practise on HCF
  • Applications of HCF
  • Lowest Common Multiple (LCM)
  • Applications of LCM
  • Testing your knowledge of Natural Numbers
Integers
  • Introduction to Negative Numbers
  • Number Line and Opposite Numbers
  • Adding and Subtracting using Number Line
  • Merger of Signs
  • Adding and Subtracting Integers without a Number Line
  • More practise on adding and subtracting of integers
  • Multiplying Integers
  • Dividing Integers
  • Exponents
  • Sums based on exponents
  • Order of Operations
  • Complex sums on Order of Operations
  • Testing your knowledge with integers
Fractions
  • Introduction to Fractions
  • Equivalent Fractions
  • Reducing to lowest terms
  • Proper, Improper and Mixed Fractions
  • Comparing Fractions
  • Adding and Subtracting Fractions
  • Three Methods to Add and Subtract Fractions
  • Multiplying Fractions
  • Dividing Fractions
  • Testing your knowledge of Fractions
Decimal Numbers
  • Introduction to Decimal Numbers
  • Expanded form of Decimal Number
  • Comparing Decimal Numbers
  • Fractions to decimals
  • Fractions to decimals more types and examples
  • Decimals to Fractions
  • Representing Decimal numbers on Number Line
  • Adding and Subtracting Decimals
  • Multiplying and Dividing Decimals
  • Testing your knowledge of Decimal Numbers
Percentage
  • Introducing Percentages
  • Percentage to Fractions and Decimals
  • Finding percentage of a number
  • Percentage increase or decrease
  • Other sum types based on Percent Increase or Decrease
  • Testing your knowledge of Percentage
Square roots and Cube roots
  • Introduction to Square root
  • Table of square 1 to 30
  • Square root by factorization method
  • Calculate squares quickly
  • Guessing square roots
  • Square root by division method
  • Introduction to Cube roots
  • Cube root by factorization method
  • Guessing Cube roots
  • Rational Numbers
  • Irrational Numbers
  • Testing your knowledge of Square Roots and Cube Roots
Commercial Math
  • Introduction to Ratios
  • Introduction to Proportion
  • Example of Proportion
  • Introduction to Profit and Loss
  • What is Profit Percentage and Loss Percentage
  • Calculating Profit (or Loss) Percentage
  • Calculating the third when two are given
  • Introduction to Discount
  • Examples based on Discount
  • More examples based on Discount
  • Introduction to Commission
  • Examples based on Commission
  • More examples based on Commission
  • Introduction to Simple Interest
  • Examples based on Simple Interest
  • More examples based on Simple Interest
  • Testing your knowledge of Commercial Mathematics