Sunken ships and grid patterns
Subtitle: 2-D geometry
By: Douglas H. Clements ... [et al.].
Contributors: Clements, Douglas H.; TERC (Firm)
Series: Investigations in number, data, and space
Publisher: D. Seymour Publications
Published: 1998
Place of publication: Menlo Park, Calif
Language: eng
Number of pages: 183
Subjects: Geometry, Plane -- Study and teaching (Elementary)
Notes: "Grade 4, also appropriate for grade 5."
"Developed at TERC, Cambridge, Massachusetts."