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Vinner, Shlomo; Kopelman, Evgeny – Focus on Learning Problems in Mathematics, 1998
Discusses students' use of visual considerations in doing geometrical proofs. Studies ninth-grade students (n=17) in an academically-selective high school in Jerusalem. Concludes that only three out of 16 students who turned in their papers chose symmetry considerations when working on a proof. Contains 16 references. (ASK)
Descriptors: Foreign Countries, Geometry, Grade 9, High Schools
Presmeg, Norma C. – Focus on Learning Problems in Mathematics, 1989
Deals with the issue of visualization as it is related to the learning of mathematics in multicultural classrooms. Discusses the importance and the role of visualization in multicultural classrooms. (YP)
Descriptors: Cultural Background, Elementary School Mathematics, Ethnomathematics, Foreign Countries