One step at a time
By: by Gary G. Bitter, Jon M. Engelhardt, James Wiebe.
Contributors: Engelhardt, Jon M., joint author.; Wiebe, James H., joint author.
Publisher: EMC Corp.
Published: 1977
Place of publication: St. Paul
Language: eng
Number of pages: 282
Subjects: Mathematics -- Study and teaching (Elementary); Mathematical ability -- Testing.