Making 2D shapes with yarn, string or elastic. The kids use their fingers to create the corners. I've done this with a math class with huge success!

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Shape monsters craft for Halloween---can incorporate shapes, vertices and adjectives all in one. Have the kids create their shape monster then describe it using math vocabulary and afjectives

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FREEBIE! This activity helps students discover the angle sum property of triangles by cutting off the angles of a triangle and pasting the vertices together, which meet to form a straight line (180°).

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The Howgill Fells are hills in Northern England between the Lake District and the Yorkshire Dales, lying roughly in between the vertices of a triangle made by the towns of Sedbergh, Kirkby Stephen and Tebay. The name Howgill derives from the Old Norse word haugr meaning a hill or barrow, plus gil meaning a narrow valley.:

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Triangle Song (the youtube page has songs for other shapes too). Great for teaching the properties of polygons :)

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**FREE** Kids Geometry Vocabulary: Sides, Vertices and Equal Worksheet. Help your child identify basic words used when describing geometric shapes with this printable flashcard.

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Geometric textile design with leather applique & tessellating triangle pattern; sewing; textiles for fashion // Gareth Pugh Fall 2008

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ponti by victor.pastore, via Flickr. See also

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