Hands on geoboards :  problem-solving activities ; illustrated by Rob Browne. 

 - California:   Creative Publications,   1986.  
 - 120 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0884883191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7044