Nebraska Core Academic Content Standards
NE.MA.8.3. GEOMETRY: Students will communicate geometric concepts and measurement concepts using multiple representations to reason, solve problems, and make connections within mathematics and across disciplines.
MA.8.3.2. Coordinate Geometry: Students will determine location, orientation, and relationships on the coordinate plane.
MA.8.3.2.a. Perform and describe positions and orientation of shapes under single transformations including rotations (in multiples of 90 degrees about the origin), translations, reflections, and dilations on and off the coordinate plane.
MA.8.3.2.b. Find congruent two-dimensional figures and define congruence in terms of a series of transformations.