This document outlines a suggested lesson plan for teaching a chapter on surface area and volume to Class IX students over 24 periods. It includes learning objectives, a period-by-period breakdown of topics to be covered such as surface area of cubes, cylinders, cones, spheres, and volume of cubes, cylinders, cones, spheres. Resources to be used include presentations, videos, worksheets and games. Formative assessment activities are planned for periodic evaluation and reinforcement of concepts covered.