00960cam a2200265 a 4500001001300000003000600013005001700019008004100036010001700077020001500094020001500109035003700124050002300161082001800184100002600202245009800228250001200326260003900338300004100377504005100418650004900469650005200518650005800570650006600628ocm51266023 OCoLC20070305020332.0021210s2004 maua b 001 0 eng a 2002043767 z020538689X z0205393276 a(OCoLC)51266023z(OCoLC)5328853200aQA135.6b.V36 200400a510/.71/22211 aVan de Walle, John A.10aElementary and middle school mathematics :bteaching developmentally /cJohn A. Van de Walle. a5th ed. aBoston :bAllyn and Bacon,cc2004. axxvii, 468 p. :bcol. ill. ;c28 cm. aIncludes bibliographical references and index. 0aMathematicsxStudy and teaching (Elementary) 0aMathematicsxStudy and teaching (Middle school) 6aMathâematiquesxâEtude et enseignement (Primaire) 6aMathâematiquesxâEtude et enseignement (âEcole moyenne)