Crowden, Jane. et al <br/><br/>
Numbers and the number system 4 
Writing Team for Numbers and the Mumber System 4 Jane Crowden; et al 
 - Cambridge  Cambridge University Press  2000 
 - 64 p. : col. ill. ; 30 cm 
<br/><br/><label>ISBN: </label>9780521784672 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching (Elementary) -- Great Britain
<br/><br/><label>Dewey Class. No.: </label>372.7 NUM