Green, George F. <br/><br/>
Elementary school mathematics  activities and materials 
George F. Green, Jr. 
 - Lexington, Mass.  Heath  [1974] 
 - xiii, 512 p.  ill.  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0669845825 
<br/><br/><label>LCCN: </label>73019074  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA135.5  / .G675 
<br/><br/><label>Dewey Class. No.: </label>372.7