Hirschi, L. Edwin  1909-2003 <br/><br/>
Building mathematics concepts in grades kindergarten through eight / 
by L. Edwin Hirschi 
 - Scranton, Pa. :  International Textbook,  1970 
 - xiii, 281 p. :  ill. ;  24 cm. 
 - The International series in elementary education .
<br/><br/><label>ISBN: </label>0700221964 :  USD7.25 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Probabilities--Study and teaching (Elementary)<br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>Dewey Class. No.: </label>372.7