Development of independence in adding and subtracting fractions
Subtitle: an experimental project in the teaching of arithmetic
By: by F.G. Lankford and E.G. Pattishall.
Contributors: Pattishall, Evan G. 1921-
Publisher: University of Virginia Council for Educational Research
Published: 1956
Place of publication: Charlottesville
Language: eng
Number of pages: 69
Subjects: Fractions -- Study and teaching (Elementary)