eBook
Mathigon

Mathigon: Geometry: Polygons and Polyhedra: Tessellations

For Students 9th - 10th
This lesson focuses on tessellations, a tessellation is a geometric pattern that covers a surface without gaps or overlaps. They can be seen everywhere in nature such as a honeycomb or a tortoise shell.
Activity
University of California

Geometry Junkyard: Dissection Tiling

For Students 9th - 10th Standards
A great and very informative article about dissection tiling or tessellation.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Review of Transformations

For Students 9th - 10th Standards
Review of material on transformations, which offers definitions and examples, as well as worksheets and resources for extending instruction. Follow links to find guidelines for examining transformations using a Geometer's Sketchpad.
Lesson Plan
Science Buddies

Science Buddies: Tiling With Spidrons

For Teachers 9th - 10th
If art and math are both passions of yours, this project is meant for you! Spidrons are geometric forms made from alternating sequences of equilateral and isosceles (30 degrees, 30 degrees, 120 degrees) triangles. Spidrons were...
Lesson Plan
Other

Ctte: Geometer's Sketch Pad Activities

For Teachers 9th - 10th
This site offers numerous activities for middle school and high school students to explore using Geometer's Sketch Pad.