Gardella, Francis J. <br/><br/>
Introducing difficult mathematics topics in the elementary classroom :  a teacher's guide to initial lessons / 
Francis J. Gardella 
 - New York :  Routledge,  2008 
 - 157 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780415965026 (pb : alk. paper)  RM100.65 9780203891179 (ebook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)<br/>Logic, Symbolic and mathematical--Study and teaching (Elementary)<br/>Curriculum planning