Long, Calvin T. <br/><br/>
Mathematical reasoning for elementary teachers / 
Calvin T. Long, Duane W. DeTemple, Richard S. Milman. 
 - 6th ed. 
 - Boston, Mass. :  Addison Wesley,  2012. 
 - xxv, 852, [65] p. :  ill. (some col.) ;  29 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0321693124 (hbk.) 9780321693129 (hbk.)  RM505.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)