GCSE · Percentages & growth

Compound growth and decayExam-style questions

Why repeated percentage change is a power of the multiplier, how compound interest differs from simple interest, and how to build growth and decay models.

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19 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAll Level 1 Level 2 Level 3 Level 4 Level 5

1
Priya invests £ $4000$ in a savings account.

The account pays compound interest at a rate of $2.4\%$ per year.

Work out the value of the investment at the end of $3$ years. (3 marks)
Level 2 · 3 marksTry it
2
£ $500$ is invested at $4\%$ compound interest per year. How much is in the account after $2$ years?
Level 2 · 2 marksTry it