This volume provides listings and brief descriptions of instructional materials for use in teaching the metric system. Printed materials of three types (duplicating masters, periodicals, and U.S. Government documents) are included. Other materials described include charts, films, filmstrips and slides, games, posters, recordings, and transparencies. For most items the listing provides suggested grade levels, a brief description, source, catalog and/or other information for use in ordering, and price. Names and addresses of publishers and producers are provided. (SD)