Book excerpt: A subject-specific guide for teachers to supplement professional development and provide resources for lesson planning. Approaches to learning and teaching Mathematics is the result of close collaboration between Cambridge University Press and Cambridge International Examinations. Considering the local and global contexts when planning and teaching an international syllabus, the title presents ideas for Mathematics with practical examples that help put theory into context. Teachers can download online tools for lesson planning from our website. This book is ideal support for those studying professional development qualifications or international PGCEs.