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Jitendra, Asha K.; Lein, Amy E.; Star, Jon R.; Dupuis, Danielle N. – Society for Research on Educational Effectiveness, 2013
Proportional thinking, which requires understanding fractions, ratios, and proportions, is an area of mathematics that is cognitively challenging for many children and adolescents (Fujimura, 2001; Lamon, 2007; Lobato, Ellis, Charles, & Zbiek, 2010; National Mathematics Advisory Panel [NMAP], 2008) and "transcends topical barriers in adult…
Descriptors: Word Problems (Mathematics), Problem Solving, Mathematics, Mathematics Education

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