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ERIC Number: EJ157557
Record Type: Journal
Publication Date: 1977
Pages: N/A
Abstractor: N/A
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ISBN: N/A
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Mis-Directed Numbers
Leddy, T.
Mathematics Teaching, 78, 26-28, Mar 77
A method is discussed for justifying to students the fact that the product of two negative integers is positive. (DT)
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