Reys, Robert E., <br/><br/>
Helping children learn mathematics. 
Robert Reys, University of Missouri, Mary M. Lindquist, Columbus State University, Diana V. Lambdin, Indiana University, Nancy L. Smith, Emporia State University. 
 - 11th edition /  Robert Reys, University of Missouri, Mary M. Lindquist, Columbus State University, Diana V. Lambdin, Indiana University, Nancy L. Smith, Emporia State University. 
 - Hoboken, New Jersey  Wiley  2015 
 - xii, 418 pages :  illustrations (some color ;  28 cm 
<br/><br/> Includes bibliographical references (pages 395-406) and index. 
<br/><br/><label>ISBN: </label>9781118654101 1118654102 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.6   / .R495 2015 
<br/><br/><label>Dewey Class. No.: </label>372.7