Today's mathematics : a guide to concepts and methods in elementary school mathematics. / by James W. Heddens ; pupil material prepared by Marge L. Smith.
By: Heddens, James W., 1925-.
Material type:
BookPublisher: Chicago : Science Research Associates, c1968Subject(s): Mathematics -- Study and teaching (Elementary) -- Mathematics -- Study and teaching (Elementary)
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Includes bibliographies.
University Of Zambia Online Public Access Catalogue

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