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Basic Construction Teacher Resources
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Tenth graders explore Cabri Jr. In this geometry lesson, 10th graders investigate the menus, tools, and capabilities of Cabri Jr. as a tool to enhance student understanding. The lesson includes the construction of a triangle and the perpendicular bisectors of a triangle and an investigation into the sum of the measures of the angles of a triangle.
There are four activities in this extensive lesson plan covering the identity matrix and scaling, the linear representation of translations, the linear representation of rotations, and reflections. In small groups, they use the Cabri II computer program to move objects and make observations. In their groups, they discuss, solve and answer worksheet questions for each activity.