Lilla, Adulyasas and Shafia, Abdul Rahman (2015) SHIFTING STUDENTS’ AWARENESS OF GEOMETRICAL CONCEPTS THROUGH LESSON STUDY. Proceeding of International Conference On Research, Implementation And Education Of Mathematics And Sciences 2015 (ICRIEMS 2015), Yogyakarta State University, 17-19 May 2015. ISSN 978-979-96880-8-8
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Abstract
Students’ performance in geometry and hence, their geometric thinking remain a concern for researchers globally. This quasi-experimental research design aims to investigate the effects of Phase-Based Instruction (LS-PBI) using Geometer’s Sketch Pad to reveal Thai students awareness of geometric concepts. Three groups of mixed ability Grade 7 students (aged 12 – 13) were chosen as participants in one of the schools in Yala Province, Thailand. These groups were taught the topic of Properties of 2D and 3D geometric shapes in a cycle of three instructions by three different teachers engaging in Lesson Study method. A twelve-item multiple choices test was administered to students in each group before and after each lesson study session to assess their understanding of geometrical concepts. Findings of the pre-tests and post-tests revealed that LS-PBI using GSP was effective in revealing students’ shifts in awareness of geometrical concepts. Keywords: Geometer’s Sketchpad, Geometric Thinking, Geometry, Lesson Study
| Item Type: | Article |
|---|---|
| Subjects: | Prosiding > ICRIEMS 2015 > Mathematics & Mathematics Education |
| Divisions: | Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Pendidikan Matematika > Pendidikan Matematika |
| Depositing User: | Administrator |
| Date Deposited: | 09 Jul 2015 20:50 |
| Last Modified: | 09 Jul 2015 20:50 |
| URI: | http://eprints.uny.ac.id/id/eprint/23190 |
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