Extending mathematics understanding
by Osborn, Roger; DeVault, M. Vere.
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BookPublisher: Columbus, Ohio : C. E. Merrill Books , 1961Description: viii, 310 p. : ill. ; 24 cm.Subject(s): Mathematics -- Study and teaching (Elementary)
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Earlier ed. copyright 1960 under the titles Toward improved understanding of mathematics, part I and Toward improved understanding of mathematics, part II, by M. V. DeVault, published in 1960.
Revised in 1969, published separately in two volumes under the titles Understanding the number system and Extending understandings of mathematics.
Bibliography: p. 264-271.
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