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Using Transformations to Create Fantastic Tessellations! Dr. Maria Mitchell 1
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What is a Tessellation? 2
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The graphic artist M.C. Escher (1898 – 1972) was intrigued with the idea of creating a single shape that could be copied and then used to cover a surface without any gaps or overlaps. These coverings or tilings of the plane are called TESSELLATIONS. 3
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M.C. Escher 4
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M.C. Escher Creations http://www.mcescher.com/ http://www.teachers.ash.org.au/geparker/exa mples_of_tessellations.htm http://www.teachers.ash.org.au/geparker/exa mples_of_tessellations.htm 5
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Explore Shapes that Tile the Plane 9
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Interactive Pattern Blocks http://illuminations.nctm.org/ActivityDetail.aspx?id=202 http://illuminations.nctm.org/ActivityDetail.aspx?id=202 10
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Moves Used to Make the Tilings 11
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Transformations Translation 12
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Nibbling 13
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Simple Translation Tessellation Polygon should have opposite sides that are parallel and congruent. squares hexagons parallelograms 14
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Transformations Reflection 15
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Glide Reflection Tessellation Polygon should have opposite sides that are parallel and congruent. squares hexagons parallelograms 16
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Transformations Rotation 17
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Rotational Tessellation Adjacent sides must be congruent. squares triangles hexagons parallelograms 18
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Now You Can Make Your Electronic Tessellation Using Pattern Blocks http://illuminations.nctm.org/ActivityDetail.as px?id=202 http://illuminations.nctm.org/ActivityDetail.as px?id=202 19
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Now You Can Make Your Electronic Tessellation Using Microsoft Paint http://www.teachers.ash.org.au/geparker/creating_a_basic_tessellation_using_microso ft_paintbrush.htm 20
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