Compound Interest Explained — GCSE Higher Maths

Interest on interest. The reason millionaires get richer while sleeping. In this video on Compound Interest, we cover: • What it actually means, without the textbook fog. • Simple interest is LINEAR. Compound is EXPONENTIAL. • After 30 years at 7%, you have 8× your money • The common slip that loses marks: Don't add r% to the original n times — that's SIMPLE interest • A worked example you can copy step by step. Part of the pH Maths · 50 GCSE Maths Explainers series — short, focused videos that demystify one Higher Tier term at a time. Board-neutral: useful for AQA, Edexcel and OCR Higher Tier. Master this with the matching pH Maths Mastery Workbook — every answer fully worked, board-neutral for AQA, Edexcel and OCR Higher: https://www.pHmaths.com Free 4-week GCSE Higher revision planner: https://www.pHmaths.com 12-week revision planner: https://www.pHmaths.com #GCSEMaths #GCSEHigher #MathsRevision #Proportion #AQAMaths #EdexcelMaths #OCRMaths

Added 23 Jul 2026