Pennsylvania Core and Academic Standards
PA.CC.2.1.3. Numbers and Operations
CC.2.1.3.C. Numbers & Operations — Fractions
CC.2.1.3.C.1. Explore and develop an understanding of fractions as numbers.
CC.2.3.3.A.2. Use the understanding of fractions to partition shapes into parts with equal areas and express the area of each part as a unit fraction of the whole.