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Hong, Dae S.; Choi, Kyong Mi – International Journal of Mathematical Education in Science and Technology, 2018
This paper compares sections on functions and linear functions from two Korean textbooks and an American standards-based textbook (University of Chicago School Mathematics Project [UCSMP] Algebra) to understand differences and similarities among these textbooks through horizontal and vertical analyses. We found that these textbooks provide…
Descriptors: Comparative Analysis, Secondary School Mathematics, Mathematics Instruction, Textbooks
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Choi, Kyong Mi; Lee, Young-Sun; Park, Yoon Soo – EURASIA Journal of Mathematics, Science & Technology Education, 2015
International trended assessments have long attempted to provide instructional information to educational researchers and classroom teachers. Studies have shown that traditional methods of item analysis have not provided specific information that can be directly applicable to improve student performance. To this end, cognitive diagnosis models…
Descriptors: International Assessment, Mathematics Tests, Grade 8, Models
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Hong, Dae S.; Choi, Kyong Mi – International Journal of Research in Education and Science, 2018
In this study, we analyzed and compared reasoning and proving opportunities in geometry lessons from American standard-based textbooks and Korean textbooks to understand how these textbooks provide student opportunities to engage in reasoning and proving activities. Overall, around 40% of exercise problems in Core Plus Mathematics Project (CPMP)…
Descriptors: Textbooks, Comparative Analysis, Geometry, Mathematics Instruction
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Hong, Dae S.; Choi, Kyong Mi; Runnalls, Cristina; Hwang, Jihyun – Mathematics Education Research Journal, 2018
This study compared area lessons from Korean textbooks and US standard-based textbooks to understand differences and similarities among these textbooks, as well as how these textbooks address known learning challenges in area measurement. Several well-known challenges have been identified in previous studies, such as covering, array structure, and…
Descriptors: Mathematics Instruction, Textbooks, Cross Cultural Studies, Textbook Content