Fractions, Ratios & Percentages

Numbers · O/L Maths

Working with parts of a whole and comparing quantities.

sub-topics

• Operations on fractions
  Add, subtract, multiply and divide fractions and mixed numbers.
• Decimals
  Converting and calculating with decimal numbers.
• Ratios
  Simplifying, sharing in a ratio and comparing quantities.
• Direct and inverse proportion
  How quantities change together.
• Percentages
  Percentage of a quantity, increase, decrease and profit/loss.