Today's Mathematics:

Heddens, James W.

Today's Mathematics: concepts and methods in elementary school mathematics/ James W. Heddens and William R. Speer - 7th ed. - New York: Macmillan Publishing Company, 1992 - xi, 656p. : ill. ; cm

Includes bibliographical references and index.

0023529334


Mathematics.--Study and teaching (Elementary).

QA 135.5 .H42 1992
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