ISBD

Normal View MARC View ISBD View
Mokros, Janice R.

Combining and comparing : addition and subtration/ Jan Mokros, Susan Jo Russell. - Menlo Park, Calif. : D. Seymour Publications, c1998. - 1 v. (various pagings) : ill. ; 28 cm. - Investigations in number, data and space .

"Developed at TERC, Cambridge, Massachusetts." "Grade 3, also appropriate for Grade 4." Accompanied by: Investigations at home. 21 p.

1572327006

97196119


Addition.
Subtraction.

QA115 / .M64 1998

372.7/2