Creates a fraction representation with repetitions of unit and non non-unit fractions, including results greater than a whole. Moves beyond fraction as a “part-of-a-whole” to fraction as a number with a relation to the reference whole. Understands that fractions with the same denominator can be added or subtracted using the units of the unit fraction. Compares simple common fractions using models such as the number line—understands that two fractions are equal when they represent the same portion of a whole or have the same length on the number line.