Standard Alignments:

TEKS Math: 2.9.F

(F) Use concrete models of square units to find the area of a rectangle by covering it with no gaps or overlaps, counting to find the total number of square units, and describing the measurement using a number and the unit

AU Math: ACMMG037

(Y2) Compare and order several shapes and objects based on length, area, volume and capacity using appropriate uniform informal units (ACMMG037)

CCSS Math: 2.G.2

2.G.2 Partition a rectangle into rows and columns of same-size squares and count to find the total number of them.