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Download full textHong, 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
Armah, Robert Benjamin; Cofie, Primrose Otokonor; Okpoti, Christopher Adjei – International Journal of Research in Education and Science, 2018
This study investigated the effect of van Hiele Phase-based Instruction (VHPI) on Ghanaian Pre-service Teachers' (PTs') geometric thinking in terms of the van Hiele Levels. A pre-test post-test quasi-experimental design was employed. There were 75 PTs each in the experimental group and the control group. Van Hiele Geometry Test (VHGT) was…
Descriptors: Preservice Teachers, Geometric Concepts, Geometry, Pretests Posttests
