Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them.
Construct an angle and find it's degree measure.Bullet 2
Use the Compass tool to replicate the angle elsewhere on the screen.Bullet 3
Try to alter the properties of their construction by moving a vertex.
Before the Activity
Students should have access to Cabri Jr.
During the Activity
Provide each student with a printed copy of the attached .pdf.
After the Activity
Review student results and, as a class, discuss questions that appeared to be more challenging. Re-teach concepts as necessary.