Wright, Tracey.

Timelines and rhythm patterns : representing time / Representing time Tracey Wright, Ricardo Nemirovsky, Cornelia Tierney. - Meno Park, CA : Dale Seymour Publications, 1998. - vi, 18, 105 p. : ill. ; 28 cm. - Investigation in number, data, and space .

"Developed at TERC [Technical Education Research Centers], Cambridge, Massachucetts." "Grade 2, also appropiate for grade 3."

ISBN: 1572326603

Subjects--Topical Terms:
Mathematics--Study and teaching (Elementary)
Mathematics--Study and teaching (Primary)