Under-achievement in maths is a growing concern for many teachers. This book shows how a developmental approach to teaching maths can help to both identify difficulties and raise children’s achievement. Beginning with the Early Years, age – focused chapters outline some of the strategies that can be used to identify those in need of special teaching. Practical examples show how these strategies can be applied in classroom situations. Beginning with the early years, age-focused chapters look at:the knowledge children develop outside schoolhow teachers can assess and build on that knowledgechildren's misunderstandings in maths, and how to remedy these. This book also outlines some of the strategies that can be used to identify those in need of special teaching. Practical examples show you how these strategies can be applied in classroom situations. Each chapter is closely linked to the requirements of the National Numeracy Strategy, and example lesson plans and activities are included detailing ways of using recommended strategies within the numeracy hour.>