Today's mathematics
Subtitle: concepts and methods in elementary school mathematics.
Contributors: Speer, William R., 1946-
Edition: 6th ed. / James W. Heddens, William R. Speer.
Publisher: Science Research Associates
Published: 1988
Place of publication: Chicago
Language: eng
Number of pages: 677
Subjects: Mathematics -- Study and teaching (Elementary)
Notes: Includes bibliographies and index.