Developing mathematical imagery : activities in the classroom. the School mathematics project. 

 - New York :  Cambridge,  1994. 
 - 127p.;  ill.;  31cm 
<br/><br/><label>ISBN: </label>0-521-45977-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / DEV