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Son, Ji-Won; Jo, Seungjung; Wallace, Samantha; Obielodan, Florence F. – North American Chapter of the International Group for the Psychology of Mathematics Education, 2022
The purpose of this study is to examine how proportional reasoning is introduced and developed in two widely used U.S. and Korean mathematics textbooks for grades 6-7. Seven research-based frameworks that identify student learning opportunities for understanding of proportional reasoning were used to analyze the textbooks. The results showed that…
Descriptors: Foreign Countries, Mathematical Concepts, Mathematical Logic, Mathematics Education
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Son, Ji-Won; Lo, Jane-Jane; Watanabe, Tad – North American Chapter of the International Group for the Psychology of Mathematics Education, 2015
This paper investigates how the selected three East Asian countries--Japan, Korea, and Taiwan-- introduce and develop ideas related to fractions and fraction addition and subtraction compared to the Common Core State Standards of Mathematics and EngageNY. Looking at curricular approaches used across countries can provide a better picture of what…
Descriptors: Foreign Countries, Fractions, Addition, Subtraction