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Boz-Yaman, Burçak; Yigit Koyunkaya, Melike – Acta Didactica Napocensia, 2019

Learning and teaching function transformation has a significant place since it provides new opportunities for learners to use, reflect and discover knowledge related to the concept of function. This study's main goals related to the importance of learning function transformation are to examine pre-service mathematics teachers' (PMTs) mental…

Descriptors: Preservice Teachers, Mathematics Education, Mathematics Teachers, Transformations (Mathematics)

Karaduman, Gülsah Batdal – Acta Didactica Napocensia, 2019

This study aims to analyze the effects of conceptual change texts enriched with metaconceptual activities on the semantics of classroom teacher candidates. The sample of the study is made up of 60 3rd grade undergraduate students who study at Istanbul University Hasan Ali Yücel Faculty of Education. Pre-test post-test experimental modelling has…

Descriptors: Foreign Countries, Control Groups, Experimental Groups, Concept Formation

Güven, Yildiz; Çolak, Feride Gök – Acta Didactica Napocensia, 2019

In this study, it was aimed to identify the difficulties experienced by early childhood education teachers in planning, implementation and evaluation processes of in-class and out-of-class mathematics activities and parent involvement in such activities. The answers of the teachers to the questions on the interview form were recorded via a voice…

Descriptors: Difficulty Level, Foreign Countries, Mathematics Instruction, Mathematics Activities

Alves, Francisco Regis Vieira; Barros, Francisco Evamar – Acta Didactica Napocensia, 2019

The study and interest of figurate numbers can be observed even in ancient Greece. On the other hand, it becomes very important the historical understanding about an evolutionary process and the particular generalization of such 2D, 3D and m-D figurate numbers and they remain the interest of current scientific investigations. On the other hand, in…

Descriptors: Mathematics Instruction, Visualization, Educational Technology, Computer Software

Stettner, Eleonóra; Nienhaus, Rózsa – Acta Didactica Napocensia, 2019

In this article we are analyzing which spherical symmetry groups can be found and which ones cannot among the eggs with wax-resist patterns most frequently used in the Carpathian Basin. We are also trying to answer the question why exactly these symmetry decorations can be found. Before that, we are providing a review on the history of decorating…

Descriptors: Mathematics Instruction, Mathematical Concepts, Art Products, Geometric Concepts

Tchonang Youkap, Patrick; Njomgang Ngansop, Judith; Tieudjo, Daniel; Nchia Ntam, Lawrence – Acta Didactica Napocensia, 2019

In this article, we wish to explore the influence of the figure of the drawing on the argumentation of students who are involved in a proof task. It is about analysing the knowledge that students associate with parallelograms and the interactions between students and drawing. Our research is based on both Toulmin's model and Vinner's concept image…

Descriptors: Persuasive Discourse, Validity, Mathematical Logic, Mathematics Instruction

Ada, Tuba; Kurtulus, Aytaç – Acta Didactica Napocensia, 2019

Circle, ellipse, parabola, hyperbolic curves are defined as conic sections from the intersection of a coni with a plane at different angles. These curves can be found in different positions depending on the different angles. In this case, rotation transformation can be applied to the curves so that their major axes are brought to the horizontal…

Descriptors: Problem Solving, Preservice Teachers, Mathematics Instruction, Geometric Concepts

Alves, Francisco Regis Vieira; Dias, Marlene Alves – Acta Didactica Napocensia, 2018

In the training of mathematics teachers in Brazil we can not disregard the historical and epistemological component aiming the transmission of mathematics through a real understanding of the nature of classic concepts and foundamental definitions to Mathematics, whether in the school context or in the academic context. In this sense, the present…

Descriptors: Foreign Countries, Mathematics Instruction, Epistemology, Teacher Education

Alves, Francisco Regis Vieira – Acta Didactica Napocensia, 2018

In Brazil we have identified a predilection of the authors of Mathematical History books for the discussion of the fundamentals of Differential and Integral Calculus. On the other hand, when we consider the teaching of Mathematics in the school context, it is essential to know the teaching of the historical and dynamic evolution of the concepts,…

Descriptors: Mathematics Instruction, Textbooks, History, Mathematical Concepts

Neuper, Walther A. – Acta Didactica Napocensia, 2017

This is a position paper in the field of Engineering Education, which is at the very beginning in Europe. It relates challenges in the new field to the emerging technology of (Computer) Theorem Proving (TP). Experience shows, that "teaching" abstract models, for instance the wave equation in mechanical engineering and in electrical…

Descriptors: Engineering Education, Technology Uses in Education, Educational Technology, Models

Güler, Hatice Kübra; Arslan, Çigdem – Acta Didactica Napocensia, 2017

Understanding how students learn is important for both researchers and teachers. In terms of mathematics, constructing a new mathematical structure depends on conceptual understanding and connection with previous construct and they needs to be consolidated. A construct can be consolidated when the construct is recognized and used in the further…

Descriptors: Foreign Countries, Case Studies, Mathematics Instruction, Mathematical Concepts

Marchis, Iuliana – Acta Didactica Napocensia, 2017

Spatial abilities are used in many aspects of everyday life, thus developing these abilities should be one of the most important goal of Mathematics Education. These abilities should be developed starting with early school years, thus pre-school and primary school teachers have an important role in setting the foundation of these abilities. A…

Descriptors: Preservice Teachers, Elementary School Teachers, Spatial Ability, Mathematics Education

Tasdan, Berna Tataroglu; Koyunkaya, Melike Yigit – Acta Didactica Napocensia, 2017

Teaching of mathematics could be improved with teachers who have a strong mathematical knowledge and have an ability to reflect this knowledge on their teaching. Therefore, it is important to develop mathematics teachers' theoretical and pedagogical knowledge. This study was designed to examine pre-service secondary mathematics teachers' (PSMT)…

Descriptors: Preservice Teachers, Mathematics Teachers, Mathematics, Mathematical Concepts

Alves, Francisco Regis Vieira – Acta Didactica Napocensia, 2016

Admittedly, the study of Complex Analysis (CA) requires of the student considerable mental effort characterized by the mobilization of a related thought to the complex mathematical concepts. Thus, with the aid of the dynamic system Geogebra, we discuss in this paper a particular concept in CA. In fact, the notion of winding number v[f(gamma),P] =…

Descriptors: Mathematical Concepts, Concept Teaching, Geometric Concepts, Geometry

Magdas, Ioana – Acta Didactica Napocensia, 2015

The analogical reasoning isn't used only in mathematics but also in everyday life. In this article we approach the analogical reasoning in Geometry Education. The novelty of this article is a classification of geometrical analogies by reasoning type and their exemplification. Our classification includes: analogies for understanding and setting a…

Descriptors: Geometry, Logical Thinking, Mathematical Logic, Mathematical Concepts