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Ingi Heinesen Højsted; Maria Alessandra Mariotti – International Journal of Mathematical Education in Science and Technology, 2024
This article reports on the design and implementation of a didactic sequence in the frame of a design-based research study. The research aim is to test the hypothesis that affordances of dynamic geometry may support students' awareness of logical relationships between geometrical properties of constructed figures. We elaborate on the task design…
Descriptors: Geometry, Mathematics Instruction, Logical Thinking, Teaching Methods
Aksu, Nazli; Zengin, Yilmaz – Education and Information Technologies, 2022
We focus on students' mathematical reasoning in a technology-enhanced collaborative learning environment. We adopt a dialogical approach to analyze students' mathematical reasoning. The participants of this study include six middle school students. The data consist of participants' written productions, dynamic materials, and the transcriptions of…
Descriptors: Middle School Students, Mathematics Skills, Mathematical Logic, Cooperative Learning
Gantt, Allison L.; Paoletti, Teo; Greenstein, Steven – North American Chapter of the International Group for the Psychology of Mathematics Education, 2022
Despite significant research exploring students' quantitative reasoning, few studies have explored the semiotic processes that mediate its development. In this report, we present a case study to show how one student constructed a semiotic chain for a quantity as he worked with a mathematical task. Importantly, we connect frameworks for…
Descriptors: Semiotics, Mathematics Instruction, Instructional Materials, Computer Software
Guo, Siao-Cing; Lan, Yu-Ju – Language Learning & Technology, 2023
This study aims to investigate the influence of story creation on young EFL learners' reading performance. Action research was adopted to examine the effects of two different story reading projects in a library setting in Taiwan. Each project comprised a group of 19 young EFL learner from Grades 4 to 6 (aged 10-12). The first group's activities…
Descriptors: English (Second Language), Second Language Learning, Second Language Instruction, Computer Simulation
Okumus, Samet – ProQuest LLC, 2016
According to the National Council of Teacher of Mathematics (NCTM) (2000), K-12 students should be given an opportunity to develop their spatial reasoning abilities. One of the topics that may allow students to develop their spatial skills is forming 3-dimensional objects using spinning and extrusion methods. Also, extrusion and spinning methods…
Descriptors: Middle School Students, Abstract Reasoning, Spatial Ability, Geometric Concepts
Mariotti, Maria Alessandra – Research in Mathematics Education, 2012
The objective of this paper is to discuss the didactic potential offered by the use of a Dynamic Geometry System (DGS) in introducing students to theoretical thinking and specifically to the practice of proof. Starting from a discussion about what constitutes the general objective in developing students' sense of proof, the notion of Theorem is…
Descriptors: Mathematics Instruction, Mathematical Logic, Validity, Geometry
Composing across Multiple Media: A Case Study of Digital Video Production in a Fifth Grade Classroom
Ranker, Jason – Written Communication, 2008
This is a qualitative case study of two students' composing processes as they developed a documentary video about the Dominican Republic in an urban, public middle school classroom. While using a digital video editing program, the students moved across multiple media (the Web, digital video, books, and writing), drawing semiotic resources from…
Descriptors: Multimedia Materials, Editing, Foreign Countries, Grade 5