(1) An eighth-grade student at the proficient level in mathematics demonstrates solid academic performance. He/she:

(a) effectively applies mathematical processes correctly to solve a variety of problems;

(b) applies mathematics in a variety of contexts;

(c) uses rational numbers, proportionality, and algebraic concepts to represent and accurately solve mathematical problems;

(d) consistently and accurately uses complex measurement, geometric relationships, and properties to describe the physical world;

(e) formulates logical arguments using appropriate mathematical ideas; and

(f) consistently makes reasonable predictions and decisions based on basic probability and statistics.