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Interactive
Shodor Education Foundation

Shodor Interactivate: Tessellate!

For Students 3rd - 8th Standards
This creative applet allows you to tessellate variations you create starting with either a triangle, rectangle or hexagon. Directions are only a click away.
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Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Regular Tessellations

For Teachers 9th - 10th
This site contains a lesson plan on tessellations. There is a link to the NCTM standards that fit this lesson and a link to an applet that is useful to both teacher and student.
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Activity
National Council of Teachers of Mathematics

The Math Forum: What Is a Tessellation?

For Students 3rd - 8th Standards
The Math Forum defines and illustrates geometric tessellation.
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Handout
Other

Porcelai Nia: Tessela

For Students 9th - 10th Standards
Tessellated geometric patterns in art are discussed and illustrated in this resource.
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Activity
Math Cats

Math Cats: Visit Tessellation Town on Tile Island!

For Students Pre-K - 1st Standards
Go to Tessellation Town on Tile Island and create a variety of tessellations.
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Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Envelopes

For Students 3rd - 6th Standards
Explore tessellations with real world applications in this activity from the NCTM Math Challenges for Families series. Figure out what shape you would use to create a legal envelope from a single sheet of paper. Then discover how...