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 beginning of the new year. Students can take a closer look at this construction and use our drawings to experiment with slicing an icosahedron in order to discover how this shape is formed.
The activity: TimesSquareBall2023.pdf
CCSS: 7.G.A.3, 7.G.B, 8.G, HSG.GMD.B.4
You can use our short video to demonstrate truncation.
For members we have an editable Word docx and solutions with diagrams.
TimesSquareBall2023.docx TimesSquareBall-solution2023.pdf
from Yummy Math https://www.yummymath.com/2022/the-times-square-ball/
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