Today's mathematics Part 1: concepts and classroom methods /
Heddens, James W.
Today's mathematics Part 1: concepts and classroom methods / James W. Heddens [and] William R.Speer. - 10th ed. - New York : John Wiley, 2001. - xii, 381 p : ill. ; 28 cm.
Includes bibliographical references.
0471387940 (pbk.)
Mathematics--Study and teaching (Elementary)
Today's mathematics Part 1: concepts and classroom methods / James W. Heddens [and] William R.Speer. - 10th ed. - New York : John Wiley, 2001. - xii, 381 p : ill. ; 28 cm.
Includes bibliographical references.
0471387940 (pbk.)
Mathematics--Study and teaching (Elementary)