Archived Information
U.S. Department of Education
Richard W. Riley
Secretary
Office of Educational Research and Improvement
Emerson J. Elliott
Acting Assistant Secretary
Office of Research
Joseph C. Conaty
Acting Director
July 1993
Ordering Information
This publication will be sold in bulk at the U.S. Government Printing Office. For further information, call their Order Desk at 202/783-3238. The GPO stock number for this book is 065-000-00560-3. For single copies, please write to U.S. Department of Education, OERI Education Information, 555 New Jersey Avenue NW, Washington, DC 20208-5641.
Acknowledgements
Joan Ferrini-Mundy, of the University of New Hampshire, and Thomas Romberg, of the University of Wisconsin-Madison, reviewed this document and offered many heplful suggestions.
Edited by
Jacquelyn Zimmermann
Designed by
Phil Carr
Illustated by
William I. Johnston
The illustrations in the booklet, taken together, represent a transformation of four congruent shapes rotating about fixed points in ten increments to create a new and unified shape.
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This page was last updated January 4, 2002 (jca)