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Perry, Rebecca R.; Lewis, Catherine C. – Teaching Children Mathematics, 2017
The authors recently conducted a randomized controlled trial that showed a significant impact of teachers' lesson study, supported by mathematical resources, on both teachers' and students' understanding of fractions. The research and mathematical resources are described in the second part of this article. First the authors examine some of the…
Descriptors: Randomized Controlled Trials, Mathematics Instruction, Fractions, Mathematical Concepts
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Bates, Meg S.; Moran, Cheryl G.; Phalen, Lena – Teaching Children Mathematics, 2017
Teachers face many challenges helping students meet the expectations set forth in the Common Core State Standards for Mathematics (CCSSM) (CCSSI 2010). CCSSM content standards not only introduce new concepts at each grade level but also require teachers to learn new terminology for old concepts and consider how students' understanding of concepts…
Descriptors: Common Core State Standards, Mathematics Education, Mathematics Instruction, Teaching Methods