(1) The benchmark for mathematics content standard 2 for a student at the end of grade 4 is the ability to:

(a) exhibit connections between the concrete and symbolic representation of a problem or concept;

(b) use the number system by counting, grouping, and applying place value concepts;

(c) model, explain, and use basic facts, the operations of addition and subtraction of whole numbers, and mental mathematics;

(d) model and explain multiplication and division of whole numbers; and

(e) model and explain part/whole relationships in everyday situations.