Course Guide - USAID Teacher Education Project

Session 2: Angle Sums in Polygons, 360° around a PointSession 3: Tessellations and Tiling a PlaneFaculty Preparation for the Upcoming Week (1-2 hours)Read the following article and lesson plan:• “From Tessellations to Polyhedra”:www.aug.edu/~lcrawford/Readings/From_Tesselations_to_Polyhedra.pdfAlso available at http://budurl.com/AnglesTessel• “What’s Regular About Tessellations?” http://tinyurl.com/Regular-TessellLook through the following websites:• Naming and Measuring angles: http://tinyurl.com/Benchmark-Angles-VIdeo• Angles around a Point: http://tinyurl.com/Angles-Around-Point• Virtual pattern blocks (interactive applet): http://tinyurl.com/Virtual-Pattern-Blocks• Consistency of angle sum in a polygon with “n” sides (interactive applet):http://tinyurl.com/Angle-Sum-Applet• Naming Tessellations: http://tinyurl.com/Tessel-Naming• Tessellation Creator (interactive applet): http://tinyurl.com/Tessellation-Applet• Distorting triangles, squares, and hexagons to design tessellations (4 pages+ interactive applet): http://tinyurl.com/Tessellation-Applet-2Download and print out for your own use:• What’s Regular About This Polygon? http://tinyurl.com/Regular-Polygon(Print out page 1 as a transparency for use in class)• Angles around a Point: http://tinyurl.com/Angles-Around-Point• Creating a new tessellation: http://tinyurl.com/Tessellations-PDF-1• Coloured triangle-square tessellations (* Make 3 or 4 colour copies ofthese two pages to use as samples in smallgroups): http://budurl.com/ColorTessell• Answer key to “What’s Regular About Tessellations” assignment:http://tinyurl.com/Regular-Answer-Key Links as codeDownload and print out for class use and assignments (1 copy per student):• Pattern blocks: http://tinyurl.com/Pattern-Blocks-PDF• Angles Around a Point: http://tinyurl.com/Angles-Around-Point• Two Semi-regular Tessellation Colouring Sheets:http://tinyurl.com/Tessel-Coloring-Sheets• Creating Tessellations: http://tinyurl.com/Tessel-CutOut-Method• “What’s Regular About Tessellations” Assignment:http://tinyurl.com/Tessell-Assign• “What’s Regular About Tessellations” Cut-outs: http://tinyurl.com/Tessell-CutoutsBring to class:• Analog clock• Scissors