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. 
 - Tenth edition, global edition. 
 - 750 pages 
<br/><br/><label>ISBN: </label>1292331399  (paperback) 9781292331393  (paperback) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>510.71