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E1.13 Percentages

Syllabus
0580–2028–2029
Topic
E1.13
Level
Extended

E1.13.1 Calculate a given percentage of a quantity.

  • Calculate a given percentage of a quantity.

E1.13.2 Express one quantity as a percentage of another.

  • Express one quantity as a percentage of another.

E1.13.3 Calculate percentage increase or decrease.

  • Calculate percentage increase or decrease.

E1.13.4 Calculate with simple and compound interest.

  • Calculate with simple and compound interest.

E1.13.5 Calculate using reverse percentages

  • Calculate using reverse percentages. Problems may include repeated percentage change. Formulas are not given. e.g. find the cost price given the selling price and the percentage profit. Percentage calculations may include: • deposit • discount • profit and loss (as an amount or a percentage) • earnings • percentages over 100%.

Objective notes

5 learning objectives
ConceptIGCSE Mathematics Extended