GCSE Maths Compound Interest Revision in Worthing
Compound interest questions involve repeated percentage changes. They appear in GCSE Maths finance, growth and depreciation problems.
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Compound interest skills
- Finding percentage multipliers
- Repeated percentage increase
- Repeated percentage decrease
- Interpreting finance-style exam questions
Exam tip: For a 5% increase, multiply by 1.05. For a 5% decrease, multiply by 0.95.
Common mistake: A common mistake is adding the same percentage amount each year instead of compounding the new total.
Video explanation
A short Worthing Maths Tutor video explanation for GCSE Maths Compound Interest can be embedded here later to improve student engagement and time on page.