00893cam a2200265 a 4500999001700000001000900017003000400026005001700030008004100047010001700088020001500105040001800120050002300138082001800161100002600179245009800205250001200303260003900315300004100354504005100395650004900446650005200495906004500547942003500592  c21107d2110713026520OSt20170121084849.0021210s2004    maua     b    001 0 eng    a  2002043767  a020538689X  aDLCcDLCdDLC00aQA135.6b.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)  a7bcbccorignewd1eocipf20gy-gencatlg  2lcccBOOKShQA 135.6 .V36 2004