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Download full textIm, Soo-hyun; Jitendra, Asha K.; Harwell, Michael R.; Karl, Stacy R.; Slater, Susan C. – Society for Research on Educational Effectiveness, 2018
Ratio and proportional relationships, along with the interrelated topics of fractions,decimals, and percent, provide a critical foundation for algebra (National Mathematics Advisory Panel, 2008). Proportional reasoning, which not only requires understanding the concept of ratios and that two or more ratios are equal, also requires the ability to…
Descriptors: Instructional Effectiveness, Intervention, Mathematics Instruction, Grade 7
Jitendra, Asha K.; Harwell, Michael R.; Karl, Stacy R.; Im, Soo-hyun; Slater, Susan C. – Society for Research on Educational Effectiveness, 2018
Ratio and proportional relationships, along with the interrelated topics of fractions, decimals, and percent provide a critical foundation for algebra (National Mathematics Advisory Panel, 2008). Solving even simple proportion problems is challenging for many children and adolescents. A small number of studies have examined the efficacy of…
Descriptors: Problem Solving, Mathematics Instruction, Teaching Methods, Instructional Effectiveness
Jitendra, Asha K.; Harwell, Michael R.; Karl, Stacy R.; Im, Soo-hyun; Slater, Susan C.; Simonson, Gregory R. – Society for Research on Educational Effectiveness, 2017
The purpose of this study was to replicate and extend the study of the schema-based intervention (SBI) conducted by Jitendra et al. (2015) that demonstrated impact in proportional problem solving for a homogeneous sample of Upper Midwest students and teachers who were predominantly White and middle class. This study was replicated in two…
Descriptors: Mathematics Instruction, Mathematical Concepts, Problem Solving, Instructional Effectiveness
Jitendra, Asha K.; Harwell, Michael R.; Karl, Stacy R.; Slater, Susan C.; Simonson, Gregory R.; Nelson, Gena – Society for Research on Educational Effectiveness, 2016
Ratio and proportional relationships are of primary importance during the upper elementary and middle school grades (Kilpatrick, Swafford, & Findell, 2001; National Council of Teachers of Mathematics, 1989, 2000; National Mathematics Advisory Panel [NMAP], 2008). These relationships, along with the interrelated topics of fractions, decimals,…
Descriptors: Replication (Evaluation), Schemata (Cognition), Problem Solving, Teaching Methods
