Ohio Learning Standards
OH.8.NS. THE NUMBER SYSTEM
Know that there are numbers that are not rational, and approximate them by rational numbers.
8.NS.1. Know that real numbers are either rational or irrational. Understand informally that every number has a decimal expansion which is repeating, terminating, or is non-repeating and non-terminating.
Understand congruence and similarity using physical models, transparencies, or geometry software.
8.G.1. Verify experimentally the properties of rotations, reflections, and translations (include examples both with and without coordinates).
8.G.1.a. Lines are taken to lines, and line segments are taken to line segments of the same length.
8.G.1.b. Angles are taken to angles of the same measure.
8.G.1.c. Parallel lines are taken to parallel lines.