Standard Alignments:

TEKS Math: 4.5.D

(D) Solve problems related to perimeter and area of rectangles where dimensions are whole numbers.

CCSS Math: 4.MD.3

4.MD.3 Apply the area and perimeter formulas for rectangles in real world and mathematical problems. For example, find the width of a rectangular room given the area of the flooring and the length, by viewing the area formula as a multiplication equation with an unknown factor.