Math and Science


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A geodesic icosahedron, the Times Square New Year's eve ball

Geometry Math and Science Holidays and Annual Events Math and Art Current events
Image by kjpargeter on Freepik It's a gorgeous ball, covered with Waterford Crystal triangles, shaped as a geodesic icosahedron.  Every New Year's Eve it descends in Times Square to mark the...

Winter Solstice 2023

Number Sense Geometry Math and Science Ratio and Proportion
It is really dark out now.  Why is that? Students appreciate how their latitude effects the darkness of their late afternoon location as they study the earth's tilt and the logic of da...
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