The relative difficulty of certain topics in mathematics for slow-moving ninth grade pupils.
By: New York, Bureau of Publications, Teachers College, Columbia University, 1939.
Publisher: AMS Press
Published: 1972
Place of publication: [New York
Language: eng
Number of pages: 179
Subjects: Mathematics -- Study and teaching (Secondary); Mathematical ability.; Slow learning children.
Notes: Bibliography: p. 151-160.
Reprint of the 1939 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 769.
Originally presented as the author's thesis, Columbia.