This guide is to assist teachers with motivational ideas for teaching elementary school mathematics. The items included are a wide variety of games (paper and pencil, verbal, and physical), jingles, contests, teaching devices, and thought provoking exercises. Suggestions for selection of mathematical games are offered. The devices are used to explain theory of sets, counting and numeration, computation, the number line, fractions, measurements, and geometry. Included in the guide is a brief index. (JS)