Increase/Decrease by a Percentage - GCSE Maths

Published: 24 September 2025
on channel: 1st Class Maths

51,049

490

This video is for students aged 14+ studying GCSE Maths.

A video explaining how to increase or decrease an amount by a percentage. In ths video we look at both non-calculator and calculator approaches including the use of a multiplier.

   • Percentages of an Amount - GCSE Maths

Exam Question Booklets:📝

🔗Exam Question Edexcel Style: https://www.1stclassmaths.com/_files/...
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0:00 Introduction
0:21 Percentage Increase (non-calculator)
3:57 Percentage Decrease (non-calculator)
6:38 Percentage Increase (calculator)
9:04 Percentage Decrease (calculator)
11:20 Multipliers
13:56 Exam questions in context

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