PROBLEM SOLVING STEP BY STEP

[ Computer software for use in mathematics instruction and testing; prerecorded videotapes, pre-recorded audio cassettes, and prerecorded CD-ROMS for use in mathematics instruction and testing ]

Printed instructional, educational and teaching materials for children, namely text books, workbooks, pamphlets, and brochures; instructors' materials, namely, teacher-edition guidebooks, lesson plans, paper and plastic transparencies; and testing materials, namely, exercise sheets and books directed to exam preparation; all in the field of mathematics