Adding it up
Published by : National Academy Press, (Washington, DC :) Physical details: xvii, 454 p. : ill.
Subject(s):
Mathematics
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Study and teaching (Elementary)
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United States.
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Mathematics
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Study and teaching (Middle school)
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United States.
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Electronic books.
Year: 2001
Online resources:
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http://site.ebrary.com/lib/rucke/Doc?id=10038695
- An electronic book accessible through the World Wide Web; click to view
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Includes bibliographical references and index.
Electronic reproduction. Palo Alto, Calif. : ebrary, 2013. Available via World Wide Web. Access may be limited to ebrary affiliated libraries.
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