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. - Tenth edition. - New York : John Wiley, ©2001. - xii, 381 pages : Illustrations ; 28 cm.
Includes bibliographical references and index.
9780471387947 (Paperback)
Mathematics--Study and teaching (Elementary)
QA135.5 HED
Today's mathematics Part 1: concepts and classroom methods / James W. Heddens and William R.Speer. - Tenth edition. - New York : John Wiley, ©2001. - xii, 381 pages : Illustrations ; 28 cm.
Includes bibliographical references and index.
9780471387947 (Paperback)
Mathematics--Study and teaching (Elementary)
QA135.5 HED