The present work focuses on the study of the use of mathematical knowledge in the Age
of Exploration, specifically the angular measurements used for celestial navigation. The
aim is to address the concept of angular units and their measurement systems, as well as
their historical context, through the use of measurement instruments such as protractors
and theodolites. The goal is to provide a contextualized understanding of angles, their
measurements, and applications, by incorporating the history of mathematics into
teaching. As an educational product, a supplementary textbook has been developed that
explores the concept of angular units and their measurements within the context of
maritime exploration, linking them to other teaching and learning elements such as
coordinates on a grid.
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