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Paper presentations
TWG 24 Representations in Mathematics Teaching and Learning
Suite 659
TWG leader: Elisabetta Robotti
TWG24.PA1 Representing subset relations with tree diagrams or unit squares?
Katharina Böcherer-Linder*1, Andreas Eichler2
1University of Education Freiburg, Germany, 2University of Kassel, Germany
TWG24.PA2 Diagrams and mathematical events: Encountering spatio-temporal relationships with graphing technology
Francesca Ferrara, Giulia Ferrari*
University of Torino, Italy
TWG24.PA3 Emerging and developing multiplicative structure in low-attaining students' representational strategies: Four key representation types
Carla Finesilver
King's College London, UK
TWG24.PA4 Identifying key visual-cognitive processes in students' interpretation of graph representations using eye-tracking data and math/machine learning based data analysis
Enrique Garcia Moreno-Esteva*1, Sonia White2, Joanne Wood2, Alexander Black2
1University of Helsinki, Dept. of Teacher Education, Finland, 2Queensland University of Technology, Australia
TWG24.PA5 Teaching mathematics with multimedia-based representations − what about teachers' competencies?
Julia Ollesch, Fabian Gruenig*, Tobias Doerfler, Markus Vogel
University of Education, Germany
TWG24.PA6 Epistemic and semiotic perspectives in the analysis of the use of digital tools for solving optimization problems in the case of distance teacher education
Veronica Hoyos
National Pedagogical University, Mexico, Mexico
TWG24.PA7 Continuity of the students's experience and systems of representation, an example of teaching and learning in mathematics first grade students.
Sophie Joffredo-Le Brun*1, Mireille Morellato2, Gérard Sensevy3, Serge Quilio4
1University of western Brittany, France, 2University of western Brittany, France, 3University of western Brittany, France, 4University of Nice, France
TWG24.PA8 Visuo-spatial abilities and geometry: a first proposal of a theoretical framework for interpreting processes of visualization
Elisa Miragliotta*1, Anna Baccaglini-Frank2
1University of Ferrara, Italy, 2University of Pisa, Italy
TWG24.PA9 Middle school students’ employments of gestural signs: a case study
Samet Okumus*1, Karen Hollebrands2
1Recep Tayyip Erdogan University, Turkey, 2North Carolina State University, USA
TWG24.PA10 Preservice mathematics teachers’ types of mathematical thinking: use of representations, visual-spatial abilities, and problem solving performances
Beyza Olgun*1, Engin Ader2
1Bogazici University, Turkey, 2Bogazici University, Turkey
TWG24.PA11 Children’s drawings for word problems – design of a theory and an analysis tool
Barbara Ott
University of Teacher Education St. Gallen, Switzerland
TWG24.PA12 How the representations take on a key role in an inclusive educational sequence concerning fraction
Elisabetta Robotti
Università degli Studi di Torino, Dipartimento di Filosofia e Scienze dell’Educazione, Italy
TWG24.PA13 Using tangible materials in upper secondary math education as a way of creating concept images
Marit Schou
University of Southen Denmark, Denmark
TWG24.PA14 The use of artifacts and different representations by producing mathematical audio-podcasts
Christof Schreiber*, Rebecca Klose
Justus-Liebig-University; Department of Mathematics Education, Germany
TWG24.PA15 The role of representations in promoting the quantitative reasoning
Lurdes Serrazina*1, Margarida Rodrigues2
1UIDEF, Instituto de Educação,Universidade de Lisboa, Portugal, 2Escola Superior de Educação de Lisboa; Universidade de Lisboa, Portugal
TWG24.PA16 Enactive metaphors in mathematical problem solving
Daniela Diaz-Rojas2, Jorge Soto-Andrade*1,2
1University of Chile Faculty of Science Dept. of Mathematics, Chile, 2CIAE, Chile