Helps for parents in modern mathematics
By: [by] Gloria M. Vanderbeck [and] Virginia M. Gies.  Cover by Edward and Nedra Hollar.
Contributors: Gies, Virginia M., joint author.
Published: 1965
Place of publication: [Benton Harbor? Mich.]
Language: eng
Number of pages: 158
Subjects: Arithmetic.
Notes: Bibliography:  p. 151.