Different shapes, equal pieces
Subtitle: fractions and area
By: Cornelia Tierney ... [et.al.].
Contributors: Tierney, Cornelia
Series: Investigations in number, data, and space
Publisher: Dale Seymour Publications
Published: 1998
Place of publication: Menlo Park, CA
Language: eng
ISBN-13: 9781572327474
Subjects: Fractions; Mathematics; Arithmetic; Study and teaching (Primary); Study and teaching (Elementary)
Other titles: Fractions and area
Notes: "Developed at TERC, Cambridge, Mass."

"Grade 4, also appropriate for grade 5 and 6."