APT
Initiatives Ltd
Est 1999

# apt4Maths: Set of 8 PowerPoint Presentations on Ratios and Proportion for GCSE (and Key Stage 3) Mathematics

Product Code: PPGKS3M-3RPRC-RP

From £11.00 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 8 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 are one of several sets of PowerPoint Presentations which relate to the ‘Ratio, Proportion and Rates of Change’ section of the Maths specifications.

#### Product Information

This set of 8 PowerPoint Presentations (101 slides, excluding Title Pages) covers the following ratio and proportion-based topics:

• 01 Ratios – An Introduction (15 slides): Explains what a ratio is, how it is written, how a ratio can be simplified or an equivalent ratio can be found.
• 02 Using Ratios (16 slides): Reviews simplifying ratios and finding equivalent ratios, before explaining how to use ratios to solve problems and how to find unitary ratios.
• 03 Ratio Division (9 slides): Explains how to express ratios as fractions and how to divide an amount in a given ratio.
• 04 Direct Proportion – Exchange Rate Problems (12 slides): Explains how to solve direct proportion problems in the context of exchange rates.
• 05 Direct Proportion – Best Buy Problems (13 slides): Explains how to solve direct proportion problems in the context of best buy situations.
• 06 Direct Proportion – Recipe-style Problems (10 slides): Explains how to solve direct proportion problems in the context of recipes.
• 07 Inverse Proportion (10 slides): Explains how to solve inverse proportion problems.
• 08 Proportionality (16 slides): Explains direct and inverse proportionality, how to find the constant in proportionality equations, how to solve proportionality problems, and what proportionality looks like on graphs.

Note: Ratio and proportion may also come up when teaching scale diagrams, similarity and vectors.

apt4Maths PowerPoint on Ratios and Proportion - Ratio Division

## 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.