Aimed at children aged 8-9, this full-colour book will help your child explore different methods for addition and subtraction.  It\'s attractively illustrated and led by appealing characters who offer useful tips to children (and parents) that make learning accessible and interesting. Every child can learn Maths with Maths Mastery. Product Information: • ISBN: 9780241539323 • Author: DK Children • Publisher: DK Children • Format: Paperback • Pages: 48 • Dimensions: 27.6 x 21.6cm