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CU-Boulder ANTH 1145 - How do Aztecs do math?

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ANTH 1145 1st Edition Lecture 19How did Aztecs do Math?- Symbolize numbers through dots and bars- They use the base of 20 instead of 10 like we doo But it is still the same idea- Start at the bottom and go up when count- Bars=5 and Dots=1- Represent with dots up to number 4- Practical mathematicso The human body is the measure of all man made things and all the practices wedo Practice/express everything through our body Cemmatl: 1 brazada: Width from fingertip to fingertip with arms fully extended (about 6 feet) Cemmitl: Width from tip of elbow to fingertip of opposite arm fully extended (about 4.5 feet)- Represented by arrow Cenyollotli: width from sternum to fingertip of one arm fully extended (about 3 feet) Cenciacatl:Width of single arm fully extended from armpit to fingertip (about 2 feet) Cemmolicpiti: length from elbow to middle of fingertip (about 1.5 feet) Omitl: length from elbow to wrist (about 1 foot)- Represented by boneo Tlaquahuitl unit and measurement of large tracks of lando Tlaquahuitl: wooden, earth-measuring stick Measurement is used for noble/rich peoples house One measuring stick is 2.508m Yollotli=.8359m and Omitl= .3344mo Commoners houses were extremely small compared to the nobles houses that were massive- Taxeso Tax and tribute obligations to calpulli and local lords assigned by the number ofplots worked and their surface dimensions and soil qualityo Milcocoli: shape and perimeter of the landsThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.o Tlahuelmatli: “squaring” of landso Don’t use angles so they only use perimeters for


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