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, with contributions by Jonathan Wray. 
 - Eleventh edition. Global edition. 
 - 738 pages :  illustrations (colour) ;  28cm. 
<br/><br/><label>ISBN: </label>9781292460079 1292460075 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Mathematics--Study and teaching (Middle school)
<br/><br/><label>Dewey Class. No.: </label>510.71