Van de Walle, John A. <br/><br/>
Elementary and middle school mathematics  : teaching developmentally 
/ John A. Van de Walle, Karen S. Karp, Jennifer M. Bay-Williams 
 - Eighth edition 
 - xxviii, 546 pages :  illustrations 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780132879040 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>510.71