The Mathematics laboratory :  readings from the Arithmetic teacher / 
edited by W. George Cathcart. 
 - Reston, Va. :  National Council of Teachers of Mathematics,  c1977. 
 - vi, 226 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780873530736 
<br/><br/><label>LCCN: </label>77000341  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics laboratories.<br/>Mathematics--Study and teaching (Elementary)
<br/><br/><label>LC Class. No.: </label>QA16  / .M38 
<br/><br/><label>Dewey Class. No.: </label>510/.7/1