Marks, John L. <br/><br/>
Teaching arithmetic for understanding / 
John L. Marks, C. Richard Purdy [and] Lucien B. Kinney. 
 - New York,  McGraw-Hill,  1958. 
 - 429 p.  illus.  24 cm. 
 - McGraw-Hill series in education. Curriculum and methods in education .
<br/><br/>Includes references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching.
<br/><br/><label>LC Class. No.: </label>QA135  / .M313 
<br/><br/><label>Dewey Class. No.: </label>372.7  / MAR 1958