The most accessible and useful guide to math terms and procedures available, this reference has more than 600 definitions and scores of additional resources, including tables, rules, and symbols. Math terms are explained simply and visually, with ample examples in two colors and clear, concise wording. Hundreds of illustrations make it easy for students to acquire and retain key knowledge. Visual descriptions of important concepts include rules for finding area and volume, data representation, financial math, rational number equivalents, factors, figurative numers, the international system, transformations, prime and composite numbers, and much more. A wonderful desktop reference for students in grades 5 and up or for anyone who needs a ready reference for math.