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Baldry, Fay; Mann, Jacqueline; Horsman, Rachael; Koiwa, Dai; Foster, Colin – Journal of Mathematics Teacher Education, 2023
In this paper, we analyse a grade 8 (age 13-14) Japanese problem-solving lesson involving angles associated with parallel lines, taught by a highly regarded, expert Japanese mathematics teacher. The focus of our observation was on how the teacher used carefully planned board work to support a rich and extensive plenary discussion (neriage) in…
Descriptors: Problem Solving, Grade 8, Lesson Plans, Mathematics Teachers