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Carolina Henríquez-Rivas; Andrea Vergara-Gómez – European Journal of Science and Mathematics Education, 2025
Although research highlights the importance of analyzing the geometric work of teachers, there are few validated instruments in this line. This study presents the processes of design and validation of a forced-choice questionnaire that allows the characterization, from a theoretical basis, of how geometry teachers organize their teaching practice.…
Descriptors: Geometry, Geometric Concepts, Teaching Methods, Mathematics Instruction
María J. Beltrán-Meneu; Rafael Ramírez-Uclés; Juan M. Ribera-Puchades; Angel Gutiérrez; Adela Jaime – Mathematics Teaching Research Journal, 2024
We present a case study of proving by three 12-13-year-old students with different levels of mathematical giftedness. After analysing students' proofs, we conclude that: there was a relation on the consistency and the students' levels of mathematically giftedness, being the least consistent the student not mathematically gifted and the most…
Descriptors: Academically Gifted, Early Adolescents, Mathematics Skills, Mathematics Instruction
Sevgi, Sevim; Orman, Feyzullah – International Journal of Mathematical Education in Science and Technology, 2022
In this paper, Harel and Sowder's proof schemes of taxonomy were applied for identifying eighth grade students' learning of proof and proofing. This study aimed to examine what kind of proof schemes are used in geometry and measurement learning areas and student's skills in giving proof and their opinions about proof. Qualitative methods were…
Descriptors: Grade 8, Validity, Mathematical Logic, Geometry
Kedikli, Diler; Katranci, Yasemin – Acta Didactica Napocensia, 2022
Inquiry learning is a powerful strategy to instill scientific thinking into the student. Therefore, it was aimed to develop a scale of inquiry learning skills towards geometry in this study. The study was designed according to a scanning model. The study group was determined according to the convenience sampling method. 514 middle school students…
Descriptors: Geometry, Inquiry, Mathematics Skills, Middle School Students
Anwar, Lathiful; Mali, Angeliki; Goedhart, Martin J. – EURASIA Journal of Mathematics, Science and Technology Education, 2021
This study aims to investigate the effects of the use of multiple geometry proof formats on Indonesian students' reading comprehension of geometry proof (RCGP). Four classes of prospective secondary mathematics teachers (N=125), aged 18 to 19 years, participated in this quasi-experimental study. While the experimental group was instructed in three…
Descriptors: Reading Comprehension, Preservice Teachers, Mathematics Teachers, Mathematics Instruction
Ubuz, Behiye; Aydin, Utkun – ZDM: The International Journal on Mathematics Education, 2018
In the present study we aimed to develop a multidimensional test assessing high school students' knowledge about triangles, and then to determine the validity evidence for it based on the internal structure and relations to another variable and its reliability. The test developed was administered to 557 tenth grade students. To assess the validity…
Descriptors: Geometry, Knowledge Level, Cognitive Tests, Evidence
Leung, Kui Chiu Issic; Lee, Chun Yeung – Mathematics Teacher Education and Development, 2017
By considering the example of proving the triangle postulate, this study aimed to explore Hong Kong preservice and novice teachers' knowledge competencies and their beliefs about preformal and formal proofs. The findings revealed that such teachers are not proficient in using preformal proofs and do not realize that preformal proofs are a useful…
Descriptors: Mathematics Instruction, Preservice Teachers, Beginning Teachers, Knowledge Level
Ugurel, Isikhan; Boz-Yaman, Burcak – International Journal of Research in Education and Science, 2017
This study tries to identify high school students' knowledge about the concept of proof, based on classroom discussion. The processes of discourses, both natural and prompted, are studied as they occur between students and teachers. The study employs discourse analysis as the qualitative research framework. Participants are 13 Science High School…
Descriptors: Semantics, Secondary School Mathematics, Mathematical Logic, Validity
Zeybek, Zulfiye – International Journal for Mathematics Teaching and Learning, 2016
This study aimed to document pre-service elementary teachers' (PSTs'), who are going to teach K-5, ability to construct as well as evaluate justifications varied in terms of levels of sophistication. Additionally, this study aimed to investigate how PSTs' knowledge of content in which they were being asked to prove influenced their ability to…
Descriptors: Preservice Teachers, Elementary School Teachers, Mathematics Skills, Mathematical Logic
Rogers, Kimberly Cervello; Steele, Michael D. – Journal for Research in Mathematics Education, 2016
Graduate teaching assistants serve as instructors of record for numerous undergraduate courses every semester, including serving as teachers for mathematics content courses for elementary preservice teachers. In this study, we examine 6 teaching assistants' teaching practices in the context of a geometry content course for preservice teachers by…
Descriptors: Graduate Students, Teaching Assistants, Course Content, Elementary School Teachers
Eu, Leong Kwan – Malaysian Online Journal of Educational Technology, 2013
The purpose of this study is to investigate the effect of using the Geometer's Sketchpad software in the teaching and learning of graph functions among Form Six (Grade 12) students in a Malaysian secondary school. This study utilized a quasi-experimental design using intact group of students from two classes in an urban secondary school. Two…
Descriptors: Foreign Countries, Secondary School Students, Quasiexperimental Design, Computer Uses in Education
Utley, Juliana – School Science and Mathematics, 2007
The purpose of this study was to develop and establish the validity and reliability of an instrument to measure students' attitudes toward geometry. Participants consisted of 264 undergraduate students from two universities, one in the Midwest and one in the Southwest. The instrument is a 5-point Likert-scaled survey consisting of 32 statements…
Descriptors: Undergraduate Students, Student Attitudes, Attitude Measures, Geometry