Classroom Activities using Geometers' Sketchpad

It is very important for the teacher to vary his / her teaching methods so that the lesson will become more interesting and can capture students' attention.
Below are several links of websites that the math teachers should visit. Adapt and adopt the activities and try it in your own class. Have fun..Enjoy learning..

http://www.dynamicgeometry.com/General_Resources/Classroom_Activities.html
http://mathbits.com/MathBits/GSP/GSP.htm
http://www.learner.org/channel/courses/learningmath/geometry/session4/part_a/tutorial.html
http://www.teacherlink.org/content/math/activities/sketchpadv4.html