Practise calculating simple interest and compound interest on investments and loans.
This is level 1; Investments earning simple interest. Give your first nine answers to two decimal places. You can earn a trophy if you get at least 9 correct and you do this activity online.
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Percentages - Before starting the Interest exercise make sure you are confident finding percentages of quantities.
Level 1 - Investments earning simple interest
Level 2 - Investments earning compound interest
Level 3 - Loans accruing compound interest
Level 4 - Appreciation and depreciation
Level 5 - Interest calculated half-yearly, quarterly or monthly
Overdraft Charges - Do you understand how your bank charges you for taking out an overdraft?
Amortisation and Annuities - An exercises containing problems about gradually paying off loans and calculating pension plans.
Exam Style Questions - A collection of problems in the style of GCSE or IB/A-level exam paper questions (worked solutions are available for Transum subscribers).
More on this topic including lesson Starters, visual aids, investigations and self-marking exercises.
See the National Curriculum page for links to related online activities and resources.
\(P\) is the principal, the amount originally invested.
\(r\) is the rate of interest expressed as a percentage.
\(n\) is the number of years the amount was invested for.
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