Today's mathematics : concepts and methods in elementary school mathematics. James W. Heddens, William R. Speer.

By: Heddens, James W, 1925-Contributor(s): Speer, William R, 1946-Material type: TextTextLanguage: English Publication details: New York : Toronto : New York : Macmillan ; Maxwell Macmillan Canada ; Maxwell Macmillan International, c1992Edition: 7th edDescription: xi, 656 p. : ill. ; 28 cmContent type: ISBN: 0023529334 (pbk.); 9780023529337Subject(s): Mathematics -- Study and teaching (Elementary)DDC classification: 372.7 LOC classification: QA135.6 | .K73 1992
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