01005cam a2200289 a 4500 ocm51266023 OCoLC 20070305020332.0 021210s2004 maua b 001 0 eng 2002043767 53288532 020538689X 0205393276 (OCoLC)51266023 (OCoLC)53288532 QA135.6 .V36 2004 510/.71/2 21 Van de Walle, John A. Elementary and middle school mathematics : teaching developmentally / John A. Van de Walle. 5th ed. Boston : Allyn and Bacon, c2004. xxvii, 468 p. : col. ill. ; 28 cm. Includes bibliographical references and index. Mathematics Study and teaching (Elementary) Mathematics Study and teaching (Middle school) Mathâematiques âEtude et enseignement (Primaire) Mathâematiques âEtude et enseignement (âEcole moyenne) 999 999 0 0 ddc 0 0 DAPA DAPA 2017-01-24 0 510.71 VAN APA044408 2017-01-24 1 2017-01-24 BK