Expression polygonsTools Foster, Colin (2015) Expression polygons. Mathematics Teacher, 109 (1). pp. 62-65. ISSN 0025-5769 This is the latest version of this item.
Official URL: http://www.nctm.org/Publications/Mathematics-Teacher/2015/Vol109/Issue1/Expression-Polygons/
AbstractA problem-solving task can generate extensive opportunities for developing mathematical fluency in solving linear equations.
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