IPI mathematics
Subtitle: sample kit of IPI math material.
Contributors: Research for Better Schools, inc.; University of Pittsburgh. Learning Research and Development Center.
Publisher: Appleton-Century-Crofts
Published: 1971
Place of publication: New York
Language: eng
Subjects: Individualized instruction.; Mathematics -- Study and teaching (Elementary)
Notes: Developed by Research for Better School inc., Philadelphia, Pa. and Learning Reserch and Development Center, University of Pittsburgh.

For elementary schools.