This much-loved textbook has been fully revised and updated to take account of the new Primary Curriculum, which was made statutory in 2010 and will be taught in primary schools beginning September 2011. The new edition will be a valuable resource for new primary teachers as they prepare to teach this curriculum. Some of the changes in the new edition include the following: New chapters on key ideas and key processes in primary mathematics Reordering of the chapters to give more prominence to using and applying mathematics Further material on graphs in the chapter on coordinates and linear relationships References throughout to the new Primary Curriculum Research focus in every chapter Updating of suggestions for further reading More discursive answers to some of the self-assessment questions A companion website providing a comprehensive glossary and additional material to enable primary trainees to prepare with confidence for the ITT Numeracy test A companion Student Workbook available for purchase, providing further self-assessment examples for checking understanding, for using and applying mathematics, and for teaching and learning Extensively used on primary PGCE courses and undergraduate courses leading to QTS, this book is an essential resource for all new primary teachers.