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Nifty number nine / John Drubert.

West Nyack, N.Y. : Parker Pub. Company, [1972] .
ISBN 013622282X, 9780136222828

Location Call Number Status Consortium Loan
George Washington
WRLC Shared Collections Facility
QA 142 .D78 Off-site
WRLC Shared Collections Facility
QA142 .D78 Off-site
Subjects Arithmetic -- Study and teaching (Middle school)
Neuf (Le nombre)
Nine (The number)
Description 204 pages : illustrations ; 24 cm
Copyright Date [1972]
Notes Includes index.
Summary Provides a series of enrichment exercises that are "intriguing and reflect an almost mysterious quality" and which can be used to help teach students "the sequential thinking and reasoning process needed to arrive at a logical answer" to an arithmetic problem.
Contents The practical value of this book -- The table of nine -- Divisibility by nine -- Experiences in mental gymnastics with nine -- Casting out nines (digital roots) -- Multiplication with nine -- Patterns with nine -- Divisions and fractions with nine -- Base numbers with nine -- Parting shots -- Index.
Network Numbers (OCoLC)324348
WorldCat Search OCLC WorldCat


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