Arithmetical abstractions: the movement toward conceptual maturity under differing systems of instruction.

Arithmetical abstractions: the movement toward conceptual maturity under differing systems of instruction.

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Bibliographic Details
Author / Creator:	Brownell, William A. (William Arthur), 1895-1977
Imprint:	Berkeley, Calif., University of California,
Description:	xiv, 348 l. illus. 28 cm.
Language:	English
Subject:	Arithmetic -- Study and teaching (Elementary) Mathematics -- Study and teaching (Elementary) Arithmetic -- Study and teaching (Primary)
Format:	Print Book
URL for this record:	http://pi.lib.uchicago.edu/1001/cat/bib/582489

Hidden Bibliographic Details
Notes:	"Cooperative Research Project no. OE 2-10-103." On cover: Cooperative Research Project, no. 1676.

Regenstein, Bookstacks

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Call Number:	QA135.B83
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