Primary arithmetic through experience
By: by John R. Clark, Arthur S. Otis [and] Caroline Hatton.
Contributors: Otis, Arthur Sinton, 1886-1963, joint author.; Clark, Caroline Hatton, joint author.
Publisher: World Book Company
Published: 1939
Place of publication: Yonkers-on-Hudson, N.Y
Language: eng
Number of pages: 217
Subjects: Arithmetic -- Study and teaching