Ratio Skills for Edexcel GCSE 9-1 Maths Higher Revision Guide

Do you need to pick up marks in ratio, proportion, and ratesof change in your GCSE exams?Did you know that ratio, proportion, and rates of change can beworth up to 23% of your Edexcel Maths Higher GCSE? Nailing allof the ratio, proportion, and rates of change questions could makea difference to achieving a higher grade.Look at the results of your mocks or any other practice materialsyou have been doing, if you're dropping marks with ratio, proportion,and rates of change, then this revision workbook for GCSEratio, proportion, and rates of change (including answers) is thebook 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 rationsScale diagrams and mapsPercentage problemsDirect and inverse proportionGraphs of direct and inverse proportion and rates of changeGrowth and decayRatios of lengths, areas and volumesGradient of a curve and rates of changeConverting units of areas and volume, and compound units  SERIES INFORMATIONOur GCSE Topics revision guides cover GCSE exam topicsat greater depth, with clear and focused explanations of trickytopics and questions that offer additional challenge. Recappingkey skills and content deepens your understanding and the examstyle practice questions lets you apply your knowledge. Answersincluded.Taking an active, stepped approach to revision, our guides includepopular 'It!' features giving you opportunities to self-testyour understanding and apply knowledge as you study. Do it! Activities to embed understandingSnap it! Read it, snap it on your phone, revise it...helpsyou retain key factsNail it! Examiner tips to help you get better gradesWork it! worked examples with model solutions help youto answer tricky questionsStretch it! Support for the really tough stuff that willget you higher gradesCheck it! Check your knowledge at the end of each subtopicReview it! Consolidate your revision with the Reviewit! questions.Each book also contain 'Callouts' to give step-by-step guidanceto build understanding and shows the number of marks availablefor each question along with a star rating to show the question difficultyfrom least demanding to most challenging. There are examstyle questions for each subtopic ramped up in difficulty.The content of this book was derived from GCSE Grades9-1: Maths Higher Revision Guide for Edexcel