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Examines the mathematical properties of tessellations.

This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).

Looks at the history of tessellations, why they are important and examines some patterns in nature and art.

Create a tessellation by deforming a triangle, rectangle or hexagon to form a polygon that tiles the plane. Corners of the polygons may be dragged, and corresponding edges of the polygons may be dragged. Parameters: Colors, starting polygon.

This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).

This worksheet is for use with Tessellate (http://www.shodor.org/interactivate/activities/Tessellate/).

This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).

Introduces students to concepts of transformations.

This worksheet is for use with the Floor Tiles activity (http://www.shodor.org/interactivate/activities/FloorTiles/).

Examines plane symmetry.

This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).

Looks at several optical illusions.

This worksheet is for use with the Floor Tiles activity (http://www.shodor.org/interactivate/activities/FloorTiles/).

This worksheet is for use with the Translations, Reflections, and Rotations lesson plan (http://shodor.org/interactivate/lessons/TranslationsReflectionsRotations/).

Introduces students to quadrilaterals with an emphasis on defining characteristics of parallelograms, rectangles, and trapezoids.

Defines symmetry and demonstrates different types of plane symmetry.

This worksheet is for use with the Tessellate! activity (http://www.shodor.org/interactivate/activities/Tessellate/).