This book analyses the visual mathematical practices produced by a group
of deaf students at a state school in the Rio Pardo Valley region in the
state of Rio Grande do Sul. For such an undertaking, I support myself in
the studies of the school curriculum in its interlocutions with
Ethnomathematics, where theoretical and methodological tools to analyze
the material are found. The analysis is based on four workshops on the
content of Fractions produced with a group of deaf students. The author
is a Mathematics teacher of deaf students, so the essayist proposal is
related to the involvement of the author with the theme of research in
Bilingual context.