Percentages: Converting, Finding and Comparing (34/50 or 41/60?) | GCSE Maths

Percentages for GCSE Maths: why per cent means out of 100, converting between percentages, decimals and fractions (0.08 = 8%, 3/8 = 37.5%, and 135% = 27/20, over 100%), finding a percentage without a calculator by building it from 10%, 5%, 2.5% and 1% (35% of £240, 17.5% of 80, 3% of 650), the quick calculator method of multiplying by the decimal, writing one quantity as a percentage of another (part over whole), comparing two test scores fairly, and putting fractions, decimals and percentages in order. Plus the mistakes that cost marks. Foundation and Higher. Covers: AQA 8300 3.3 R9, 3.1.2 N12 · Edexcel 1MA1 Topic 3 R9, Topic 1 N12 · OCR J560 2.03a–b, 2.04a (Foundation and Higher on all three). 0:00 Intro 0:08 Hook 0:40 Per cent means out of 100 1:11 Converting 1:53 Finding a percentage without a calculator 2:43 One percent, and the calculator 3:24 One quantity as a percentage of another 4:20 Putting them in order 5:01 Common mistakes 5:34 Summary Narrated with an AI voice. Worked Example is not affiliated with or endorsed by AQA, OCR or Pearson Edexcel. Exam board names are used only to show which specifications a video covers.