This document is a lesson on calculating area for different shapes. It provides formulas for finding the area of rectangles, parallelograms, and triangles. Examples are given of applying the formulas to find the area of various figures. The area of a parallelogram with a base of 6.5 inches and height of 4 inches is calculated to be 26 square inches. The area of a rectangular yard that is 10 feet wide and 26 feet long is calculated to be 260 square feet.