Ratio, proportion and percentages
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Contents

  • Introduction
  • Learning outcomes
  • 1 Ratio
    • 1.1 Introduction
    • 1.2 Expressing ratios
      • 1.2.1 Try some yourself
    • 1.3 Using ratios
      • 1.3.1 Try some yourself
    • 1.4 Converting ratios from fractions to decimals
      • 1.4.1 Try some yourself
    • 1.5 Speeds
      • 1.5.1 Try some yourself
  • 2 Proportion
    • 2.1 Introduction
    • 2.2 Direct proportion
      • 2.2.1 Try some yourself
    • 2.3 Inverse proportion
      • 2.3.1 Try some yourself
  • 3 Percentages
    • 3.1 What are percentages?
      • 3.1.1 Try some yourself
    • 3.2 Converting to a percentage
      • 3.2.1 Try some yourself
    • 3.3 Percentage increase and decrease
      • 3.3.1 Increasing by a percentage
      • 3.3.2 Try some yourself
    • 3.4 Decreasing by a percentage
      • 3.4.1 Try some yourself
    • 3.5 More examples of percentages
      • 3.5.1 Try some yourself
  • Conclusion
  • Keep on learning
  • Acknowledgements

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