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Wibowo, Teguh; Sutawidjaja, Akbar; As'ari, Abdur Rahman; Sulandra, I. Made – International Education Studies, 2017
This research is a qualitative study that aimed to describe the stages of students mathematical imagination in solving mathematical problems. There are three kinds of mathematical imagination in solving mathematical problems, namely sensory mathematical imagination, creative mathematical imagination and recreative mathematical imagination.…
Descriptors: Mathematical Logic, Imagination, Problem Solving, Creative Thinking
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Nirode, Wayne – Mathematics Teacher, 2018
Twenty years ago when the author was student teaching, he quickly learned what geometry teachers and researchers (e.g., Senk 1985) have long known: High school geometry students struggle with proof. Throughout his career, he has tried to create instructional materials to make proof more accessible to his students. From field-testing materials with…
Descriptors: Secondary School Mathematics, High Schools, Geometry, Mathematics Instruction