This paper uses the themes of language rights, language choice, and language risk to consider linguistic insecurity in the Northwest Amazon (Upper Negro river) region of Brazil. Because the region is home to a large number of languages (c. two dozen), the idea of preserving this diversity is a popular theme in discourses about language in the…

The "Apinayé" are a Brazilian indigenous ethnic group that live in a transition zone between the "Cerrado" and the Amazon. This study primarily aims to understand the meaning that art holds for "Apinayé" indigenous students at a Brazilian Indigenous School. We used an ethnographic research methodology, while also…

This article looks at what origin stories teach about the world and what kind of material presence they have in Southwestern Amazonia. We examine the ways the Apurinã relate to certain nonhuman entities through their origin story, and our theoretical approach is language materiality, as we are interested in material means of mediating traditional…

Linguistic relativity, the idea that language affects the way that people think, and that people who speak different languages think differently, has implications for mathematics education because people use different languages to teach, learn and practice mathematics. This paper reviews research on linguistic relativity and number, looking at…