Containing many examples and exercises, this text covers the requirements of the Core Skills Unit Application of Number for General National Vocational Qualifications (GNVQ) up to Levels 3 and 4 (Advanced). A section at the back of the book gives assignments in each of five vocational areas: art and design; business, health and social care; leisure and tourism; and manufacturing. This is an edited and extended version of Modular Mathematics for GCSE by the same authors.