Theta Mathematics reflects the requirements of Mathematics and Statistics in the New Zealand Curriculum. In order to provide teachers and students with a comprehensive package that covers all thirteen Achievement Standards, Theta Mathematics is complemented by Theta Dimensions. The chapters for each Achievement Standard are colour-coded to make them easy to find, and liberal use of colour throughout the book makes it easy and interesting to use. Helpful tags on the edge of each page enable students to navigate between the answer section and the related exercises. This edition follows in the tradition of all David Barton's resources and contains: material that addresses the requirements of the front end of the New Zealand Curriculum, including the Vision, Key Competencies, Values and Cross and Bicultural references concise theory notes written with students' needs in mind comprehensive worked examples that are well set out plenty of questions in context graded exercises to practise skills and build solid foundations questions that require understanding and explanation, and some extended working investigations and puzzles, many new, to motivate students and stimulate thinking references to technology throughout, including animations, spreadsheet work, CAS calculators, and websites complete answers.