From the steps to a formula
Mathematics · Grade 11 · about 40 minutes
Build the compound-interest formula from one year at a time, and check it against the Grade 8 three-year result.
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- 8 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- Simple interest on a loan
- From the steps to a formula
- Compound interest for four years
- Compounding every half-year
- Appreciation by the formula
- Depreciation by the formula
- Carrying charge and its rate
- Building the instalment
- A classroom tax table
- PAYE and another deduction
- The rate on the next slice
- Three figures before a choice