Math of Space: Surface Area and Volume - Class 9 Maths PPT

Math of Space: Surface Area and Volume - Class 9 Maths Chapter 14 Download the free PPT, notes and practice worksheet for Class 9 Maths Chapter 14, "Math of Space: Surface Area and Volume", from the new NCERT Ganita Manjari Part II textbook (Session 2026-27). This 123-slide visual presentation follows the textbook section by section, with clear diagrams, quick quizzes, definitions, common mistakes and exam-focus tips. What This Chapter Covers 14.1 Cuboids and Cubes: total surface area 2(wl + hl + hw), volume lwh, cube formulas 6a² and a³, cube numbers, and why the same volume can need different surface areas. 14.2 Right Circular Cylinder: right vs oblique cylinders, cross-sections, curved surface area 2πrh, total surface area 2πr(h + r), volume πr²h. 14.3 Cones: slant height (l² = h² + r²), curved surface area πrl, total surface area πr(l + r), volume ⅓πr²h, and the salt and clay experiments. 14.4 Pyramidal Shapes: volume ⅓ × area of base × height and surface area as the sum of all faces. 14.5 Spheres and Hemispheres: surface area 4πr², volume 4/3 πr³, hemisphere formulas, and Archimedes' ideas. 14.6 Areas and Volumes Around Us: guesstimate problems such as the golgappa stall and tennis balls in a classroom. Inside the PPT - Solved textbook examples with step-by-step working - Selected exercise questions with answers - A quick quiz with answer after every section - Definitions to remember and real-life examples - Common mistakes and a USP trick for the cone - Chapter summary of all formulas and a 5-minute revision Free PDF notes and a practice worksheet are also available. No login required. Also see more Class 9 Maths PPTs, notes and worksheets on Unique Study Point.