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Going Out - Stalking and Tracking
Posted by Greg MacDonald on
Correcting the Children's Work
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Montessori and the Words of Nym
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The Symbol for Pi Isn’t Pi! (Or is it?)
Posted by Greg MacDonald on
One of the charts used as we tell The Story of Our Numerals depicts Ancient Greek Numerals. Upon inspection (and comparison with the text of the story), it seems that although the story states that the symbol used by the Ancient Greeks to represent the numeral “5” was pi (the first letter of the Ancient Greek word for five, pente), the chart, appears to depict the Greek letter gamma for the numeral 5! So what’s going on? The Ancient Greeks had 2 different numerals systems, one of which succeeded the other. First came the Acrophonic system (also called Attic or Herodian), then later,...
Montessori Does It Backwards!
Posted by Greg MacDonald on