Geometry Lesson using Geometer's Sketchpad
The material found in this link is a lesson on how to use Geometer's Sketchpad to teach Triangle Sum Theorem, Exterior Angles Theorem, and Third Angles Theorem. The lesson is intended for high school students who are currently enrolled in geometry and should be done in a computer lab where each student has their own computer.
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Colin Gallagher (Teacher (K-12))
This lesson supports both independent learning and cooperative teamwork skills. With talking it over with their partner a certain iterative process may take place where they need to work together to get the same answer.
In doing this they are taking part in peer assessment and guidance which is a very powerful tool in the classroom to develop.
The students in this activity are on a inductive process of inquiry with the use of technology.
Maybe at the end the students could create a Voicethread or Prezi to discuss their activity with peers.