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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:
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(1),
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Things that come in groups : multiplication and division /
by Tierney, Cornelia.
Publication:
White Plains, NY : Dale Seymour Publications, 1998
. vi, 22, 136 p. :
, "Developed at TERC [Technical Education Research Centers], Cambridge, Massachucetts." | "Grade 3, also appropiate for grade 4."
28 cm.
Date:1998
Availability:
Copies available:
(1),
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