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En este trabajo se presenta una experiencia de simulacion con GeoGebra vivida por dos estudiantes de nivel medio en Venezuela. Especificamente, se describe la manera en que las estudiantes resuelven la tarea de representar un fenomeno con el software. Durante la simulacion, las interpretaciones parte-todo, asi como reparto y operador de las fracciones,ayudaron a crear y validar tecnicas de localizacion de puntos caracteristicos de las figuras geometricas asociadas con el fenomeno tratado. La conexion entre las distintas interpretaciones y con otras nociones matematicas emergentes tambien se puso de manifiesto. En cuanto al GeoGebra, se resalta el uso de la cuadricula como referente grafico que apoyo las reflexiones de las estudiantes a lo largo de la experiencia. Abstract This paper presents a simulation experience with GeoGebra lived by two average level high school students from Venezuela. Specifically, it describes the way in which students solve the task of representing a phenomenon with the software. During the simulation, the interpretations of being part of a whole, as well as distribution and fractions operator, took place and helped students to create and validate technics to locate characteristic points of the geometrical figures associated with the phenomenon treated. The connection between the different interpretations and other mathematical concepts were also present. Regarding to GeoGebra, it is highlighted the use of the grid as a graphic reference that supported the reflections of the students during the experience.

Interpretations of the fraction in a simulation experience with geogebra