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An essential and informative maths study guide for SAT and GCSE students. Arranged thematically to cover all aspects of the maths curriculum, from algebra to APRs, volume to vectors and trigonometry to transformation. With clear definitions of mathematical terms and concepts, alongside colourful illustrations and diagrams to help clarify and explain each subject. Includes over 100 worked examples to show how to put theory into practice, as well as internet links to recommended maths websites.