Van De Walle, John A. <br/><br/>
Elementary and middle school mathematics :  teaching developmentally /  
John A. Van de Walle 
 - Fifth edition 
 - Boston :  Pearson Education, Inc.,  2004. 
 - xxvii, 468 pages and other pages :  illustrations. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0205393276 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Mathematics--Study and teaching (Middle School)
<br/><br/><label>LC Class. No.: </label>QA 135.6  / WAL 2004