Haylock, Derek <br/><br/>
Mathematics every elementary teacher should know 
Derek Haylock. 
 - Norwood, MA  Christopher-Gordon  1999. 
 - 219 p.  ill.  27 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1552441055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA 135.5  / .H418 1999 
<br/><br/><label>Dewey Class. No.: </label>513.102  / H421m 1999