Haylock, Derek W. <br/><br/>
Understanding mathematics in the lower primary years / 
by Derek Haylock, Anne Cockburn. 
 - Rev. and expanded ed. 
 - London :  Paul Chapman,  1997. 
 - xii,196p :  ill. ;  24 cm. 
<br/><br/> Previous ed.: published as Understanding early years mathematics. 1989. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>1853963526  £12.95 9781853963520 
<br/><br/><label>Nat. Bib. No.: </label>GB97Z4438  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)