Reys, Robert E. <br/><br/>
Helping children learn mathematics / 
Robert E. Reys, Marilyn N. Suydam, Mary M. Lindquist. 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  c1984. 
 - x, 262 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0133870278 (pbk.) :  $24.95 
<br/><br/><label>LCCN: </label>83013775 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.5  / .R49 1984 
<br/><br/><label>Dewey Class. No.: </label>372.7