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Vig, Rozy; Murray, Eileen; Star, Jon R. – Educational Psychology Review, 2014
Current curriculum initiatives (e.g., National Governors Association Center for Best Practices and Council of Chief State School Officers 2010) advocate that models be used in the mathematics classroom. However, despite their apparent promise, there comes a point when models break, a point in the mathematical problem space where the model cannot,…
Descriptors: Mathematical Models, Mathematics Instruction, Numbers, Subtraction