Third-R structures
Subtitle: the math research program in primary grades
By: by Otto Weininger.
Contributors: Ontario Institute for Studies in Education.
Series: Curriculum series / Ontario Institute for Studies in Education : -- 62
Publisher: Ontario Institute for Studies in Education
Published: 1991
Place of publication: Toronto, Ont
Language: eng
Number of pages: 47
Subjects: Mathematical recreations.; Mathematics -- Study and teaching (Primary); Play.; Teaching -- Aids and devices.
Notes: Includes bibliographical references (p. 43)

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