Geometry

Tangram Puzzles More

Tangram Puzzles More

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Seven Bridges of Konigsberg

Seven Bridges of Konigsberg

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Farmer Trees

Farmer Trees

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Outside Listening: Mapping Soundscapes

  In May the hummingbirds arrive on Haida Gwaii. One afternoon my good friend and I sat out on her deck and were entertained for hours by the hummingbirds. We counted 17 hummingbirds sipping the nectar from two feeders stationed on the deck corners. Listen … can you hear their calls? Can you hear the […]
Tangram Puzzles

Tangram Puzzles

Download the PDF here.