Initiatives Ltd
Business, Economics & Maths Resources
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Est 1999

apt4Maths: Set of 7 PowerPoint Presentations (Relating to Number AND Ratio, Proportion and Rates of Change) on Percentages for GCSE (and Key Stage 3) Mathematics

From £10.50 ex VAT

If you are a school/college and would like to place an order and be INVOICED later, please email sales@apt-initiatives.com.

This set of 7 PowerPoint Presentations, written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations, are designed for use by:

  • any teacher – not necessarily a maths specialist – as part of their own delivery of lessons.
  • students working independently.

They can be used by:

  • cover teachers.
  • students who are unable to attend their lesson in person.

Each PowerPoint Presentation includes:

  • Lesson objectives
  • Step-by-step explanations of the subject matter
  • Examples to aid understanding
  • Questions to check understanding
  • Answers to questions, with explanations
  • Suggestions regarding which topic(s) should be moved on to next.

These PowerPoint Presentations relate to the ‘Number’ and ‘Ratio, Proportion & Rates of Change’ sections of the Maths specifications. Other sets relating to Number concern:

  • Place Value and Approximations
  • Calculations
  • Fractions.

Product Information

This set of 7 PowerPoint Presentations (93 slides, excluding Title Pages) covers the following percentage-based topics: 

  • 01 Percentages – An Introduction (9 slides): Reviews the meaning of percent(age) and explains how to work out what percentage of a diagram is shaded.
  • 02 FDP Conversions (16 slides): Reviews expressing as a fraction, finding equivalent fractions, cancelling fractions down and that the line in a fraction tells you to divide, before explaining how to convert between fractions, decimals, and percentages.
  • 03 Express as a Percentage (17 slides): Reviews how to convert between fractions, decimals, and percentages, before explaining how to express one value as a percentage of another, using equivalent fractions or a calculator.
  • 04 Percentages of Amounts (13 slides): Explains how to calculate percentages of amounts with and without using a calculator.
  • 05 Percentage Changes (11 slides): Reviews terminology inked to percentages (per annum, simple and compound interest, appreciation, and depreciation) before explaining how to calculate the end value following a percentage increase or decrease using the ‘add on / take off’ method, as well as the ‘multiplier’ method.
  • 06 Compound Percentages (12 slides): Reviews the difference between simple and compound interest and explains how to calculate the end value after a number of percentage increases or decreases have taken place.
  • 07 Reverse Percentages (15 slides): Reviews the multiplier method for finding the end value after a percentage change, before explaining how to calculate the original value given the end value and the percentage increase or decrease that was applied.

Download Sample Material

apt4Maths PowerPoint on Percentages - Introduction

Key Information

The purchase of this resource comes with a licence to make the resource available in digital and / or in print form (including photocopying) to the staff and students attending the purchasing institution, ie the individual school / college on a single site.

The resource may be distributed via a secure virtual learning environment. It must not be made available on any public or insecure website or other platform.

The resource must not be distributed to other institutions that are members of the same academy chain or similar organisation; each individual institution must purchase their own copy of the resource direct from APT Initiatives Ltd.

The resource (or any part of the resource) must not be distributed to any other individual or organisation in any form, or by any means. Any person who does any unauthorised act in relation to this publication may be liable to criminal prosecution and civil claims for damages.

Need help purchasing?

Email sales@apt-initiatives.com or call us on 01952 540877