For activities with important visual aids. Unit: 3.5 Fractions as Numbers (Grade 3). 3.5 Fractions as Numbers Unit Goals Students develop an understanding of fractions as numbers and of fraction equivalence by representing fractions on diagrams and number lines, generating equivalent fractions, and comparing fractions. Section A Goals Understand that fractions are built from unit fractions such that a fraction $\frac{a}{b}$ is the quantity formed by $a$ parts of size $\frac{1}{b}$. Understand that unit fractions are formed by partitioning shapes into equal parts. Section B Goals Understand a fraction as a number and represent fractions on the number line. Section C Goals Expla