This mathematical activity book has been designed for pupils in lower secondary school. It is suitable for supplementary work, homework activities and extended assignments, and consists of 20 chapters covering such topics as numbers, algebra, measures, logic, handling data, problem solving and shape and space. Each chapter is divided into three double-page spreads and can be used as a self-contained unit. Subjects including area and volume, equations, fractions and decimals are translated into activity games that aim to stimulate learning and test mathematical skills.