"Pies are hard to find out about--"
Subtitle: an inquiry into children's understanding of the nature of fractions
By: prepared by Patricia S. Davidson, Anne M. Dickenson, and Cornelia C. Tierney
Contributors: Dickenson, Anne M.; Tierney, Cornelia C.; Educational Technology Center (Cambridge, Mass.)
Series: Technical report -- 85-21; Technical report (Educational Technology Center (Cambridge, Mass.)) -- 85-21
Publisher: Educational Technology Center
Published: 1985
Place of publication: Cambridge, MA
Language: eng
Number of pages: 92
Subjects: Fractions; Study and teaching; Mathematics; Study and teaching (Secondary); Study and teaching (Elementary)
Notes: "November 1985."

Includes bibliographical references (p. 89-92).