Shipp, Donald E. <br/><br/>
Developing arithmetic concepts and skills / 
by Donald E. Shipp and Sam Adams 
 - Englewood Cliffs, N.J. :  Prentice-Hall,  1964 
 - 403 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies 
<br/><br/><label>LCCN: </label>64-010039 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Elementary)