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→‎Mayan base 20 numerals: Teaching the Turtle
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[[File:MayanNumerals.svg]]
 
[[File:MayanNumerals.svg]]
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The actual numerals carved in stone are sideways from these, and somewhat more elaborate.
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The actual numerals carved in stone are sideways from these, and somewhat more elaborate.There are several variations on the shell glyph for 0, and for its surroundings.
    
[[File:MayanNumeralGlyphs.png]]
 
[[File:MayanNumeralGlyphs.png]]
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We can teach the Turtle to write numbers in Mayan style in base 20. I am using an empty circle for 0 with these simplified forms rather than the actual Mayan shell glyph.
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We can teach the Turtle to write numbers in Mayan style in base 20. I am using an empty circle for 0 with these simplified forms rather than the actual Mayan shell glyph. Feel free to program a shell glyph, if you like, and add it here.
    
[[File:TAMayanNumerals.png]]
 
[[File:TAMayanNumerals.png]]
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As usual, the program details appear on [[Activities/TurtleArt/Tutorials/Numerals/Mayan_Numerals_Program|another page]].
    
==Visual Numerals in Turtle Art==
 
==Visual Numerals in Turtle Art==
1,009

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