Compound interest, debt and tax
KS4 · 30 minutes · Plan money with real numbers.
Answer by: Type. You can change method or take a break at any time.
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Our learning goal
Plan money with real numbers.
Your turn: Choose one thing you would like to understand by the end.
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My lesson notes & project
Full teaching script
- Today: Compound interest, debt and tax. Our goal: Plan money with real numbers.
- Take one idea at a time. Pause after each sentence; ask for repetition whenever you need it.
- Compounding is interest earning interest: divide 72 by the annual rate for the years to double. It works for you in investments and against you in debt — a 24% APR card doubles a balance in three years if untouched. Attack the highest rate first, keep three to six months of costs as an emergency buffer, and understand your payslip: income tax bands, National Insurance, pension (with employer match — free money) and student loan as a graduate contribution, not a normal debt.
- Together: choose one example from the explanation and show how it works. What do you notice?
- Your turn: Model £200/month for 30 years at 5% and compare it with 8%.
- Reflect: what made sense, and what would you like explained differently?
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