... the mathematics curriculum have been developed throughout the 1990s, with the Quantitative Literacy Series (White Plains, N.Y.: Dale Seymour Publications, 1987) by J. Landwehr et al., leading the way in the late 1980s. What has been obvious since ...
via White Plains Newswire http://www.nctm.org/resources/content.aspx?id=1776
via White Plains Newswire http://www.nctm.org/resources/content.aspx?id=1776
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