Ratio Skills

Ratio Skills Synopsis

Do you need to pick up marks in ratio, proportion, and rates of change in your GCSE exams?

Did you know that ratio, proportion, and rates of change can be worth up to 23% of your Edexcel Maths Higher GCSE? Nailing all of the ratio, proportion, and rates of change questions could make a difference to achieving a higher grade.

Look at the results of your mocks or any other practice materials you have been doing, if you're dropping marks with ratio, proportion, and rates of change, then this revision workbook for GCSE ratio, proportion, and rates of change (including answers) is the book for you.

Covering subtopics such as: percentage problems; Growth and decay; Converting units of areas and volumes, and compound units; and many more!

Contents:

• Introduction to rations
• Scale diagrams and maps
• Percentage problems
• Direct and inverse proportion
• Graphs of direct and inverse proportion and rates of change
• Growth and decay
• Ratios of lengths, areas and volumes
• Gradient of a curve and rates of change
• Converting units of areas and volume, and compound units

SERIES INFORMATION

Our GCSE Topics revision guides cover GCSE exam topics at greater depth, with clear and focused explanations of tricky topics and questions that offer additional challenge. Recapping key skills and content deepens your understanding and the exam style practice questions lets you apply your knowledge. Answers included.

Taking an active, stepped approach to revision, our guides include popular 'It!' features giving you opportunities to self-test your understanding and apply knowledge as you study.

• Do it! Activities to embed understanding
• Snap it! Read it, snap it on your phone, revise it...helps you retain key facts
• Nail it! Examiner tips to help you get better grades
• Work it! worked examples with model solutions help you to answer tricky questions
• Stretch it! Support for the really tough stuff that will get you higher grades
• Check it! Check your knowledge at the end of each subtopic
• Review it! Consolidate your revision with the Review it! questions.

Each book also contain 'Callouts' to give step-by-step guidance to build understanding and shows the number of marks available for each question along with a star rating to show the question difficulty from least demanding to most challenging. There are exam style questions for each subtopic ramped up in difficulty.

The content of this book was derived from GCSE Grades 9-1: Maths Higher Revision Guide for Edexcel

About This Edition