This document contains a lesson plan for teaching 7th grade students about circles. The lesson plan outlines the objectives to introduce, understand, and explain the characteristics of circles. It details the teaching methods, aids, activities, and evaluation for the lesson. The lesson will define key circle terms like radius, diameter, circumference, and the area formula. Students will learn that a circle is a curved line with all points equidistant from the center, and practice calculating the area of a circle given the radius. The lesson concludes with assigning definitions of arc, sector, and chord as homework.