The document outlines the intended, implemented, and achieved curriculum for a lesson on polygons. The intended curriculum lists the lesson objectives for students to define polygons, identify their parts, classify figures as polygons or non-polygons, identify different types of polygons and their properties, and identify common polygon names by number of sides. The implemented curriculum describes activities used, including recitation, games, charts, and tables. The achieved curriculum indicates students met the objectives by classifying polygons, completing classification charts, and structural analysis tables.