The Usborne Illustrated Elementary Math tells it straight and simple, explaining everything children and parents need in order to understand basic level math. This book will help to lay a firm foundation for confidence and success in math. Readers can dip in for quick explanations or work through by subject to build up knowledge step-by-step.Clear Definitions of over 450 key terms and conceptsHundreds of useful examples and illustrationsLinks to the best math websites the internet has to offerSeries: Illustrated Math DictionariesFantastic homework helpers! Each includes clear explanations of key terms and concepts and hundreds of examples and illustrations.