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Citizenship education is historically linked with political developments that have forced governments to think deeper about nationality, power, identity, and the process of decolonization since large sectors of the population are denied and even excluded from the development of their citizenship. Currently, there is a need to provide mechanisms that foster the development of students' citizenship by enabling them to position themselves critically, politically, responsibly, and constructively in their own sociocultural contexts. These mechanisms contribute towards offering the intellectual tools needed to participate in society and also can encourage educators to develop pedagogical actions that stimulate students to develop their citizenship and be aware of problems they face in their communities. Thus, results of a study conducted in a public middle school, located in the metropolitan region of Belo Horizonte, Brazil, with 12 eighth-grade middle school students enrolled in a state public school, who are residents in a peripheral community, showed how ethnomodelling contributed to the development of mathematical content, which helped them to understand and propose solutions to the lack of basic sanitation. We concluded that competencies to analyze, decide, and judge solutions through the elaboration of ethnomodels helped students to make decisions to local and global problems, which promoted the development of their citizenship as well as the acknowledgment that the denial and exclusion process of peripheral communities' members still prevails in modern society. [ABSTRACT FROM AUTHOR]

Ethnomodelling can be considered as the association between ethnomathematics and mathematical modelling that enables members of distinct cultural groups to perceive a different reality in relation to the nature of mathematical knowledge. It also provides insights into many diverse forms of mathematics developed locally. Thus, ethnomodelling is defined as the study of mathematical phenomena that adds cultural components to the modelling process. The development of this connection is conducted through three cultural approaches: local, global, and glocal, which are used in the conduction of ethnomodelling investigations that aim to work against colonialism in order to value and respect sociocultural diversity of members of distinct cultural groups. Because ethnomodelling seeks to promote the development of understanding of differences through dialogue; it is important to argue for its inclusion as a translational process for systems taken from the reality of the members of diverse cultures. In this article we argue that ethnomodelling creates a firm foundation that allows for the integration of these three cultural approaches in exploring mathematical knowledge developed in distinct cultural groups through cultural dynamism. [ABSTRACT FROM AUTHOR]

Atag functions as a place for the air curing process to dry tobacco leaves. This building, which is made of bamboo, has existed in Indonesia since 1850 and used to produce authentic quality cigars. Initially, this building was only utilized for local materials, however, based on the shape, dimensions, and construction, there is a tendency for atag to be established by considering several technical aspects. Therefore, this study aims to examine the technical ideas, such as calculations, practices, and procedures for making Atag using the ethnomodelling strategy. The results showed that the community's practices and calculations in building atag were a logical response in adapting to natural conditions such as climate, wind, and humidity. It also provided intelligence in utilizing the potential of local materials such as bamboo and sugarcane leaves

This article aims to present a proposal of introductory activities to the concept of linear function for schools inserted in extractive regions, in which Ethnomathematics and Mathematical Modelling are related. To this end, a teaching sequence was elaborated for the 9th year of Elementary School, which aims to value the knowledge of the workers in their daily routines – hunting and selling crab in mangroves of cities located in the south of Bahia – and to relate them to the study of Mathematics contents. The work supports the idea that it is possible to construct a teaching sequence for the introduction of the concept of linear function, using the Ethnomodelling approach. It is believed that the application of the sequence may make learning more meaningful, in which students from that cultural context may see meaning for the learning of Mathematics.

The acquisition of both local (emic) and global (etic) knowledge forms an important goal for the implementation of ethnomodelling research. Local knowledge (emic) is essential for an intuitive and empathic understanding of mathematical ideas, procedures, and practices developed throughout history. Global knowledge (etic) is essential for the achievement of cross-cultural comparisons that demand standard analytical units and categories to enable communication. Glocalization (dialogic) uses both local and global knowledge through dialogue, and interaction through translation. We define ethnomodelling as the study of mathematical phenomena within a culture because it is a culturally bound social construct while ethnomodelling brings cultural aspects of mathematics into the mathematical modelling process. The main objective of this theoretical article is to share our reflections from feedback from ongoing work in ethnomodelling. In this article we discuss the local, global, and glocal approaches necessary for the development of ethnomodeling research. [ABSTRACT FROM AUTHOR]