What is the unit of fraction stem strategy
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Fractions are one of the most relentless areas of difficulty in mathematics for all students (National Center for Educational Statistics, 2009). Yet fourth and fifth-grade elementary students with learning disabilities (LD), in particular, begin their study of fractions with diminished conceptual understandings compared to their peers. This is alarming because it is conceptual knowledge that mediates the achievement gap in fractions between students with and without LD (Hecht & Vagi, 2010; Vukovic, 2012). Without conceptual understanding, students with LD show significantly less improvement in their ability to solve problems, estimate, and apply computational procedures with fractions over time and in higher mathematics courses such as Algebra I (Hecht & Vagi, 2010; National Mathematics Advisory Panel, 2008). Research is urgently needed to discover why students with LD might evidence pervasive difficulties learning fraction concepts and how conceptual knowledge of fractions can be developed and nurtured through instruction............mm
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