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Lesson Study at Upper Secondary Level in Japan: Potential and Issues


"It is well known that Lesson Study is deeply rooted in school education in Japan. Though Lesson Study is seen at upper secondary level in Japan, it is different from that at primary and lower secondary levels. In many case at upper secondary level, Lesson Study focuses on the 'mathematical content' of the lesson or 'teaching skill' for explaining the solutions. This paper examines in detail Lesson Study at year 12 of the Project IMPULS (International Math-teacher Professionalization Using Lesson Study) Lesson Study Immersion Program in 2014. The teacher focused on the process of problem-solving for measures against an infectious disease. Based on the lesson plan and teacher practice, especially student activities, we identify the possibilities of and issues concerning Lesson Study at upper secondary level."