nauhtecpantli (Osu2r)
This notation from the Codex Osuna, folio 2 recto (Image 6), shows four (nahui) upright flags or banners waving toward the viewer’s right. Each flag (tecpantli) represents the number 20, and 4 x 20 is 80.
Stephanie Wood
This number is actually part of a larger number, centzontli ipan nauhtecpantli ipan matlactetl, which refers to a total of 490 bundles of lime. One could teach this notation as a math expression (e.g., 400 + 80 + 10).
Stephanie Wood
1551–1565
Jeff Haskett-Wood
números, veinte, cuatro, ochenta, notación, banderas
nahui, four, https://nahuatl.wired-humanities.org/content/nahui
tecpan(tli), twenty, https://nahuatl.wired-humanities.org/content/tecpantli
pam(itl), flag, https://nahuatl.wired-humanities.org/content/pamitl
cuatro por veinte, o ochenta
Stephanie Wood
Library of Congress Online Catalog and the World Digital Library, Osuna Codex, or Painting of the Governor, Mayors, and Rulers of Mexico (Pintura del Gobernador, Alcaldes y Regidores de México), https://www.loc.gov/resource/gdcwdl.wdl_07324/. The original is located in the Biblioteca Nacional de España.
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