ZIMSEC O-Level Mathematics
3.1Consumer arithmetic
Consumer arithmetic in ZIMSEC O-Level Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic120 practice questions6 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 3.1.1Interpret household bills, bank statements, wages and budgets and solve problems on them.
- 3.1.2Calculate simple interest and compound interest.
- 3.1.3Solve problems on profit and loss, discount, commission and hire purchase.
- 3.1.4Calculate sales tax or value added tax, income tax and customs and excise duty from given rates.
- 3.1.5Convert between currencies using given exchange rates.
- 3.1.6Calculate the depreciation of an item's value over time.
Lessons
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Exponential growth and decay
30 min
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Household and personal finance
35 min
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Money and foreign exchange
30 min
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Profit, loss, discount, commission and hire purchase
35 min
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Simple and compound interest
35 min
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Taxes and duties
35 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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