Unit 1: Rigid transformations and congruence (K-A)
Lesson 12: Congruent polygons (K-A)
Lesson 14: Alternate interior angles (K-A)
Lesson 15: Adding the angles in a triangle (K-A)
Lesson 16: Parallel lines and the angles in a triangle (K-A)
Lesson 5: Coordinate moves (K-A)
Lesson 6: Describing transformations (K-A)
Lesson 7: No bending or stretching (K-A)