Middle grades mathematics / 
[editor] Douglas T. Owens ; National Council of Teachers of Mathematics Research Interpretation Project, Sigrid Warner,  Project Director. 
 - New York :  Macmillan,  c1993. 
 - xvii, 350p. : ill. ; 23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0028957954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.5   / M58 1993