Geometry Online Activities Congruent Triangles Virtual Manipulatives http://www.matti.usu.edu/nlvm/nav/frames_asid_165_g_1_t_3.html?open=instructions Teacher Resources Quilts in the Classroom Investigate quilting & geometry with Riverdeep's feature, "Quilted Math". http://www.riverdeep.net/current/2001/11/112601_quiltedmath.jhtml Bubble Geometry Experiment with different shapes and mediums to try and create geometric bubbles. Have a contest to see who can create the largest, and the longest lasting bubble. http://www.smm.org/sln/tf/b/bubblegeometry/bubblegeometry.html