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Fan, Lianghuo; Qi, Chunxia; Liu, Xiaomei; Wang, Yi; Lin, Mengwei – Educational Studies in Mathematics, 2017
We conducted an intervention-based study in secondary classrooms to explore whether the use of geometric transformations can help improve students' ability in constructing auxiliary lines to solve geometric proof problems, especially high-level cognitive problems. A pre- and post-test quasi-experimental design was employed. The participants were…
Descriptors: Intervention, Secondary School Mathematics, Geometry, Validity
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Arici, Sevil; Aslan-Tutak, Fatma – International Journal of Science and Mathematics Education, 2015
This research study examined the effect of origami-based geometry instruction on spatial visualization, geometry achievement, and geometric reasoning of tenth-grade students in Turkey. The sample ("n" = 184) was chosen from a tenth-grade population of a public high school in Turkey. It was a quasi-experimental pretest/posttest design. A…
Descriptors: Foreign Countries, Geometry, Geometric Concepts, Spatial Ability
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Dimitriou-Hadjichristou, Chrysoula; Ogbonnaya, Ugorji I. – African Journal of Research in Mathematics, Science and Technology Education, 2015
This paper reports a study on the effect of using the Lakatosian heuristic method to teach the surface area of a cone (SAC) on students' achievement according to Bloom's taxonomy levels. Two groups of students (experimental and control) participated in the study. The experimental group (n = 20) was taught using the Lakatosian heuristic method…
Descriptors: Heuristics, Teaching Methods, Geometry, Geometric Concepts
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Lee, Chun-Yi; Chen, Ming-Jang – EURASIA Journal of Mathematics, Science & Technology Education, 2015
In teaching geometry, most instructors opt for direct demonstration with detailed explanations; however, under this kind of instruction students face considerable difficulties in the development of the reasoning skills required to deal with problems of a geometric nature. This study adopted a nonequivalent pretest-postest quasi-experimental design…
Descriptors: Mathematics Instruction, Geometry, Junior High School Students, Grade 7
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Seago, Nanette – North American Chapter of the International Group for the Psychology of Mathematics Education, 2013
The main goal of the Learning and Teaching Geometry (LTG) project is to build professional development (PD) materials that provide opportunities for teachers to engage in learning about geometric similarity through the use of video cases, in which specific and increasingly complex mathematical ideas are presented within the dynamics of classroom…
Descriptors: Mathematics Instruction, Geometry, Faculty Development, Knowledge Base for Teaching
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Bodroza-Pantic, O.; Matic-Kekic, Snezana; Jakovljev, Bogdanka; Markovic, Doko – International Journal of Mathematical Education in Science and Technology, 2008
In this paper the didactically-methodological procedure named the MTE-model of mathematics teaching (Motivation test-Teaching-Examination test) is suggested and recommended when the teacher has subsequent lessons. This model is presented in detail through the processing of a nonstandard theme--the theme of decomposition of planes. Its efficiency…
Descriptors: Vocational Schools, Foreign Countries, Control Groups, Models