How long? How far? : measurement /
Anne Goodrow ... [et al.].
- Menlo Park, Calif. : D. Seymour Publications, c1998.
- vi, 18, 174 p. : ill. ; 28 cm.
- Investigations in number, data, and space .
"Grade 2. Also appropriate for grade 1." "Developed at TERC, Cambridge, Massachusetts."