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-William. 
 - 7th ed. 
 - Boston :  Pearson/Allyn and Bacon Publishers,  2010. 
 - xxix, 490, [55] p. :  ill. (chiefly col.) ;  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0205573525 9780205573523 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Mathematics--Study and teaching (Middle school)<br/>Matemáticas--Enseñanza primaria.<br/>Matemáticas--Enseñanza primaria--Metodología.<br/>Matemáticas--Enseñanza secundaria.
<br/><br/><label>Subjects--Index Terms: </label>Matemáticas Matemáticas 
<br/><br/><label>LC Class. No.: </label>QA 135.6  / V217e 2010 
<br/><br/><label>Dewey Class. No.: </label>510.71/2