The Irrationals: A Story of the Numbers You Can't Count On
The ancient Greeks discovered them, but it wasn't until the nineteenth century that irrational numbers were properly understood and rigorously defined, and even today not all their mysteries have been revealed. In The Irrationals, the first popular and comprehensive book on the subject, Julian Havil tells the story of irrational numbers and the mathematicians who have tackled their challenges, from antiquity to the twenty-first century.
Mathematics for Dyslexics: Including Dyscalculia, 3rd Edition discusses the factors that contribute to the potential difficulties many dyslexic learners may have with mathematics, and suggests ways of addressing these difficulties. The first chapters consider the theoretical background. The later chapters look at practical methods, which may help dyslexic learners. The book is designed to be comprehensive and to help teachers, support assistants, and parents understand the learner and to learn a range of skills and thus develop confidence and competence in working with dyslexic pupils.
36 page workbook features a delightful SPIDER-MAN character on every page! Includes learning numbers 1-20, problem solving, basic math skills, and practice pages.
