Van de Walle, John A.
Elementary and middle school mathematics : teaching developmentally / John A. Van de Walle. - 6th ed. - Boston : Pearson /Allyn and Bacon, c2007. - xxvi, 509, [28] p. : ill. (chiefly col.) ; 28 cm.
Includes bibliographical references and index.
9780205483921 9780205493968 (pbk.)
2005057485
Mathematics--Study and teaching (Elementary)
Mathematics--Study and teaching (Middle school)
QA135.6 / .V36 2007
510.71/2
Elementary and middle school mathematics : teaching developmentally / John A. Van de Walle. - 6th ed. - Boston : Pearson /Allyn and Bacon, c2007. - xxvi, 509, [28] p. : ill. (chiefly col.) ; 28 cm.
Includes bibliographical references and index.
9780205483921 9780205493968 (pbk.)
2005057485
Mathematics--Study and teaching (Elementary)
Mathematics--Study and teaching (Middle school)
QA135.6 / .V36 2007
510.71/2