Packages and groups
Subtitle: multiplication and division
By: Karen Economopoulos, Susan Jo Russell, Cornelia Tierney.
Contributors: Russell, Susan Jo.; Tierney, Cornelia C.; TERC (Firm)
Series: Investigations in number, data, and space
Publisher: D. Seymour Pub.
Published: 1995
Place of publication: Palo Alto, CA
Language: eng
Number of pages: 107
Subjects: Multiplication.; Division.
Notes: "Developed at TERC, Cambridge, Massachusetts."