Elementary and middle school mathematics : teaching developmentally /
Van de Walle, John A.
Elementary and middle school mathematics : teaching developmentally / John Van De Walle. - 4th ed. - New York : Longman, c2001. - xix, 475p. : ill. ; 26 cm.
Includes bibliographical references and index.
0801332532
Mathematics--Study and teaching (Elementary)
Mathematics--Study and teaching (Middle School)
QA135.5 / V26 2001
Elementary and middle school mathematics : teaching developmentally / John Van De Walle. - 4th ed. - New York : Longman, c2001. - xix, 475p. : ill. ; 26 cm.
Includes bibliographical references and index.
0801332532
Mathematics--Study and teaching (Elementary)
Mathematics--Study and teaching (Middle School)
QA135.5 / V26 2001