Mueller, Francis J. <br/><br/>
Understanding the new elementary school mathematics :  a parent-teacher guide / 
Francis J. Mueller. 
 - California :  Dickenson Pub. Co. ;  c 1968. 
 - ix, 164 p. :  ill. ;  23 cm. 
<br/><br/> Includes index.  
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary).
<br/><br/><label>Dewey Class. No.: </label>510 / M913u