Una lección sobre el teorema de Thales, vista desde el conocimiento especializado del profesor

Climent, Nuria; Espinoza-Vásquez, Gonzalo; Carrillo, José; Henríquez-Rivas, Carolina; Ponce, Rodrigo

doi:10.24844/em3301.04

EduMate

2021

DOI: 10.24844/em3301.04

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Una lección sobre el teorema de Thales, vista desde el conocimiento especializado del profesor

Nuria Climent¹,

Gonzalo Espinoza-Vásquez²,

José Carrillo³

et al.

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2024

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Teachers’ mathematical work based on examples presented in the teaching of algebra in secondary education

Henríquez-Rivas,

Verdugo-Hernández

2024

Front. Educ.

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Both international examination results and scientific evidence related to the teaching and learning of school algebra point to the necessity for analyzing mathematical practice in the classroom. In this context, we have formulated the research objective of characterizing the mathematical work that teachers favor based on the examples that they implement in the teaching of topics within the domain of secondary school algebra. To this end, this study is situated within the interpretive paradigm utilizing an instrumental collective case study approach. The study design entails the selection of two representative cases of mathematics teachers in Chilean schools, with the objective of understanding and describing their mathematical work in the secondary school classroom based on the examples they present. The results show that the first teacher utilizes varied examples that activate distinct forms of mathematical thinking, promoting the activation of both instrumental and discursive genesis. In contrast, the second teacher follows a more traditional approach, with the use of examples to illustrate and motivate, and a direct presentation of knowledge, activating primarily semiotic genesis, in which a transition between the numerical and the algebraic is lacking. Ultimately, the results highlight the importance of deeper consideration of the choice of examples in the teaching of algebra and how these examples can influence students’ learning. Furthermore, additional ideas are put forward for future work in this line of research associated with the use of examples in the classroom.

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Teachers’ mathematical work based on examples presented in the teaching of algebra in secondary education

Henríquez-Rivas,

Verdugo-Hernández

2024

Front. Educ.

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Una lección sobre el teorema de Thales, vista desde el conocimiento especializado del profesor

Cited by 1 publication

References 0 publications

Teachers’ mathematical work based on examples presented in the teaching of algebra in secondary education

Teachers’ mathematical work based on examples presented in the teaching of algebra in secondary education

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