Khan Academy Static

Topic_A_Definitions_and_properties_of_the_basic_rigid_motions

Topic A includes lessons 1-6 and covers definition of translation and three basic properties, translating lines, definition of reflection and basic properties, definition of rotation and basic properties, and rotations of 180 degrees. (Currently, we do not have content for Lesson 1.)

Topic_D_The_Pythagorean_theorem

Topic D includes lessons 15-16 and covers informal proof of the Pythagorean theorem and applications of the Pythagorean theorem.

Topic_B_Sequencing_the_basic_rigid_motions

Topic B includes lessons 7-10 and covers sequencing translations, sequencing reflections and translations, sequencing rotations, and sequences of rigid motions.

Topic_C_Congruence_and_angle_relationships

Topic C includes lessons 11-14 and covers definition of congruence and some basic properties, angles associated with parallel lines, angle sum of a triangle, and more on the angles of a triangle.