1. 01. English Non Fiction Coins, coupons, and combinations : the number system / by Economopoulos, Karen. Publication: Menlo Park, Calif. : Dale Seymour Publications, 1998 . vi, 178 p. : , "Developed at TERC, Cambridge, Massachusetts." | "Grade 2, also appropriate for Grade 3". 28 cm. Date:1998 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Combining and comparing : addition and subtration/ by Mokros, Janice R. Publication: Menlo Park, Calif. : D. Seymour Publications, 1998 . 1 v. (various pagings) : , "Developed at TERC, Cambridge, Massachusetts." | "Grade 3, also appropriate for Grade 4." | Accompanied by: Investigations at home. 21 p. 28 cm. Date:1998 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction Does it walk, crawl, or swim? : sorting and classifying data / by Russell, Susan Jo. Publication: Menlo Park, Calif. : D. Seymour Publications, 1998 . 1 v. (various pagings) : , "Developed at TERC, Cambridge, Massachusetts." | "Grade 2, also appropriate for Grade 3." | Accompanied by: Investigations at home. 23 p. 28 cm. Date:1998 Availability: Copies available: (1), Actions:
4. 01. English Non Fiction Shapes, halves, and symmetry : geometry and fractions /   Publication: Menlo Park, Calif. : D. Seymour Publications, 1998 . vi, 21, 219 p. : , "Grade 2, also appropriate for grade 3." | "Developed at TERC, Cambridge, Massachusetts." 28 cm. Date:1998 Availability: Copies available: (1), Actions:
5. 01. English Non Fiction Building on numbers you know : computation and estimation strategies /   Publication: Menlo Park, Calif. : Dale Seymour Publications, 1998 . 210 p. : , "Developed at TERC, Cambridge, Massachusetts." | "Grade 5, also appropriate for grade 6." 28 cm. Date:1998 Availability: Copies available: (1), Actions:
6. 01. English Non Fiction Mathematical thinking at grade 5 : introduction, landmarks in the number system /   Publication: Menlo Park, Calif. : Dale Seymour Publications, 1998 . 170 p. : , "Developed at TERC, Cambridge, Massachusetts." | "Grade 5, also appropriate for grade 6." 28 cm. Date:1998 Availability: Copies available: (1), Actions: