8 questions on the maths of compound interest plus the intuition behind why starting young is so powerful. Pairs with Year 9 maths.
Audience
KS3-KS4 pupils (Y9-Y11)
Key Stage
KS3-KS4
Questions
8
Time
6 min
Topic
Compound growth
Last reviewed
2026-05-11
What this quiz covers
8 questions mixing calculation and intuition. The rule of 72 is your friend (divide 72 by interest rate to get doubling years).
Cite this quiz
UK Tax Drag (2026). Compound interest quiz. Quiz. Available at: https://kids.uktaxdrag.co.uk/quiz-compound-interest.html
CC BY 4.0. Free to use as exit tickets, retrieval practice, homework or self-assessment.
Quiz tips. Use number keys 1-4 to select an answer on a keyboard. Press Enter to advance once you've answered. Click Print all questions at any time to download a paper version with answers.