Mathematics which is proof-orientated develops pupils’ ability to reason logically and deepens their understanding of mathematical concepts. The lesson plans and class discussions about proof described in this book help teachers to embed proof into all aspects of mathematics. At KS2 pupils learn about proof through pattern. At KS3 all mathematical properties, such as angle facts, are justified and pupils explain the structure of patterns. At KS4 pupils learn to write short chains of deductive reasoning and some are introduced to formal proofs. There are three different approaches to incorporating proof at KS5. This edition includes a section on writing formal proofs (chapter 4), and other minor updates.

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