Landmarks in the hundreds
Subtitle: the number system
By: Susan Jo Russell, Andee Rubin
Contributors: Rubin, Andee; TERC (Firm)
Series: Investigations in number, data, and space; Investigations in number, data, and space
Publisher: Pearson Education, Inc.; Scott Foresman
Published: 2006
Place of publication: Glenview, Ill
Language: eng
Number of pages: 98
ISBN-13: 9780328167470
Subjects: Mathematics; Study and teaching (Primary); Study and teaching (Elementary)
Other titles: Number system
Notes: On cover: Curriculum unit.

"Grade 3, also appropriate for grade 4."

"Developed at TERC, Cambridge, Massachusetts."

Includes bibliographical references.