How many pockets? How many teeth?
Subtitle: collecting and representing data
By: Karen Economopoulos, Tracey Wright
Contributors: Wright, Tracey; TERC (Firm)
Series: Investigations in number, data, and space
Publisher: Dale Seymour Publications
Published: 1998
Place of publication: Menlo Park, Calif
Language: eng
Number of pages: 118
ISBN-13: 9781572326590
Notes: "Developed at TERC, Cambridge, Massachusetts."

"Grade 2.  Also appropriate for Grade 3."