Bathurst, Effie G.  1886- <br/><br/>
How children use arithmetic. 

 - [Washington]  Federal Security Agency, Office of Education  1951. 
 - v, 13 p.  illus.  23 cm. 
 - [U. S.] Office of Education. Bulletin, 1951, no. 7. Place of subjects series .
 - United States.  Office of Education.  Place of subjects series. .
 - Bulletin (United States. Office of Education) ;  1951, no. 7. .
<br/><br/>Copies 1 and 2 with: Frustration in adolescent youth / David Segel. Washington : Govt. Print. Off., 1951. Bound together subsequent to publication. 
<br/><br/><label>LCCN: </label>e  51000029  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching.
<br/><br/><label>LC Class. No.: </label>L111  / .A6 1951, no. 7 
<br/><br/><label>Dewey Class. No.: </label>372.7