ResumoEste artigo descreve um estudo de aula realizado com cinco professoras do 5.º e 6.º ano numa escola de Lisboa, analisando episódios especialmente relevantes. O nosso objetivo é compreender as potencialidades do estudo de aula como processo de desenvolvimento profissional e os desafios que se colocam à sua realização. Os resultados mostram que as professoras, depois de alguma estranheza inicial com o formato da formação, envolveram-se fortemente na resolução de tarefas matemáticas e na exploração de questões como a natureza das tarefas e os processos de raciocínio dos alunos. As professoras evidenciam diversas aprendizagens profissionais por si realizadas, valorizando em especial as discussões coletivas na sala de aula, e destacam o trabalho colaborativo e a oportunidade para se constituírem num grupo de trabalho na escola. Palavras-chave: AbstractThis paper describes a lesson study carried out with five teachers of grades 5 and 6 in a school in Lisbon, analyzing especially relevant episodes. We aim to understand the potential of the lesson study as a professional development process and the challenges posed by its undertaking. The results show that the teachers, after some initial resistance regarding the kind of professional development activity proposed, highly involved themselves in solving mathematical tasks and in exploring issues such as the nature of tasks and the students' reasoning
Abstract. This paper seeks to identify actions that can be regarded as building elements of teachers' classroom practice in mathematical discussion and how these actions may be combined to provide fruitful learning opportunities for students. It stands on a framework that focuses on two key elements of teaching practice: the tasks that teachers propose to students and the way teachers handle classroom communication. Tasks are appraised concerning their level of challenge. Teachers' actions in discussions are classified as informing/suggesting, guiding, and challenging. The methodology is qualitative with data collected from video recording of the classroom. The analysis of classroom episodes dealing with rational numbers but with different agendas, such as providing students opportunities for learning about representations, concepts, connections, and procedures and for developing reasoning suggests that some degree of challenge promotes fruitful learning situations. However, such situations tend to require preparation and follow-up with guiding and even informing/suggesting actions so that the students can learn what has been set in the teacher's agenda.
Este artículo se centra en un proceso de formación docente realizado en una perspectiva curricular de la enseñanza exploratoria, que valora la orientación para la práctica y la reflexión colectiva entre los participantes. Su objetivo es analizar los cambios que los maestros refieren sentir en sus perspectivas y prácticas de enseñanza y la forma en que miran la formación llevada a cabo. El marco teórico tiene como sustento una concepción de práctica profesional que asume el papel central de las nociones de tarea y comunicación y una perspectiva sobre la construcción de dispositivos formativos enmarcados en el abordaje exploratorio. Los participantes son 19 maestros de 1º a 6º ano de enseñanza. La recolección de datos es a través de registros de bitácoras diarias, un cuestionario de respuestas abiertas y entrevistas. Los resultados muestran que, como consecuencia del trabajo realizado, los profesores comenzaron a valorar la enseñanza exploratoria y las discusiones colectivas y a asumir una alta expectativa sobre las capacidades de los estudiantes. En cuanto a la formación destacan la conexión con su práctica y los momentos de intercambio de experiencias.
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