Russell, Susan Jo.

Does it walk, crawl, or swim? : sorting and classifying data / Susan Jo Russell, Rebecca B. Corwin, Karen Economopoulos. - Menlo Park, Calif. : D. Seymour Publications, c1998. - 1 v. (various pagings) : ill. ; 28 cm. - Investigations in number, data, and space .

"Developed at TERC, Cambridge, Massachusetts." "Grade 2, also appropriate for Grade 3." Accompanied by: Investigations at home. 23 p.

ISBN: 1572326557

LCCN: 97196102

Subjects--Topical Terms:
Set theory--Study and teaching (Elementary)

LC Class. No.: QA248 / .R885 1998

Dewey Class. No.: 372.7