📓 Lesley Higgin’s tried and tested activities in this volume will enliven hundreds of classrooms and homework sessions across the world. An experienced teacher and author, she brings practicality and a sense of fun to what can often seem dull learning and reinforcement tasks.The Junior Mathstraks series provides excellent one page activities for use in class or in revision at home. Each book is available in book and ebook form. This volume is an extension for ages 10 to 12 years.