Haylock, Derek.  1989 <br/><br/>
Understanding early years mathematics/ 
Derek Haylock and Anne Cockburn. 
 - London :  Paul Chapman,  1989. 
 - xi, 127 p. :  ill. and diagrams ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 192) and indexes. 
<br/><br/><label>ISBN: </label>1853960748 9781853960741 
<br/><br/><label>LCCN: </label>97198589  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Primary)
<br/><br/><label>LC Class. No.: </label>QA107  / .H33 1989 
<br/><br/><label>Dewey Class. No.: </label>372.7/044