Introducing structural arithmetic.
By: Catherine Stern, Margaret B. Stern, Toni S. Gould.
Contributors: Gould, Toni S.; Stern, Margaret B.
Publisher: Houghton Mifflin
Published: 1970
Place of publication: Boston
Language: eng
Format: Filmstrip
Number of pages: 50
Other titles: Structural arithmetic.
Description: Illustrates the Stern structural arithmetic technique and materials.