Merton, Elda Lucille,    1898- <br/><br/>
Mathematics background for the primary teacher/  
by Elda L. Merton [and] Lola J. May. 
 - Wilmette, Ill. :    J. Colburn Associates,    c1966. 
 - 184 p. :    ill. (part col.), ports. ;    29 cm. 
<br/><br/>Bibliography: p. 181. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics -- Study and teaching (Primary)
<br/><br/><label>Dewey Class. No.: </label>Q 372.7 MER