https://www.khanacademy.org/math/5th-grade-math-eureka-squared-aligned/xaf06646de8e27a4f:addition-and-multiplication-with-area-and-volume/xaf06646de8e27a4f:identify-attributes-and-properties-of-right-rectangular-prisms/v/recognizing-common-3d-shapes-indian-accent 2025-06-05T06:01:43.515132284Z Recognizing common 3D shapes Learn about 3D shapes! A square pyramid has a square base. A rectangular prism is a box shape with all rectangular sides. A triangular prism has triangle faces on opposite sides. A sphere is like a globe. A cylinder looks like a can with circular faces on top and bottom. Shapes are fun! Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Recognizing common 3D shapes Learn about 3D shapes! A square pyramid has a square base. A rectangular prism is a box shape with all rectangular sides. A triangular prism has triangle faces on opposite sides. A sphere is like a globe. A cylinder looks like a can with circular faces on top and bottom. Shapes are fun! https://cdn.kastatic.org/ka-youtube-converted/pGBfHtUtpmc.mp4/pGBfHtUtpmc.mp4 177 Visualising Solid Shapes https://www.khanacademy.org/math/ka-math-class-8-ncf/x5c620ccbb96453eb:exploring-some-geometric-themes/x5c620ccbb96453eb:visualising-solid-shapes/v/edges-corners-and-faces 2026-05-23T04:10:46.217062461Z Edges, Corners and Faces What are faces, edges, and corners? 🎁 Explore 3D shapes like cubes, cuboids, cones, cylinders, and spheres through fun real-life examples. Children learn to count surfaces, edges, and corners step by step. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Edges, Corners and Faces What are faces, edges, and corners? 🎁 Explore 3D shapes like cubes, cuboids, cones, cylinders, and spheres through fun real-life examples. Children learn to count surfaces, edges, and corners step by step. https://cdn.kastatic.org/ka-youtube-converted/nVm06_kzUMs.mp4/nVm06_kzUMs.mp4 258 Visualising Solid Shapes https://www.khanacademy.org/math/5th-grade-math-eureka-squared-aligned/xaf06646de8e27a4f:addition-and-multiplication-with-area-and-volume/xaf06646de8e27a4f:identify-attributes-and-properties-of-right-rectangular-prisms/v/counting-faces-and-edges-of-3d-shapes-indian-accent 2025-06-05T06:01:43.515132284Z Counting faces and edges of 3D shapes Learn about shapes! Discover how to count faces and edges on 3D figures. We explore a transparent shape with five faces and another shape, a square pyramid, with eight edges and five faces. It's a colorful journey into geometry! Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Counting faces and edges of 3D shapes Learn about shapes! Discover how to count faces and edges on 3D figures. We explore a transparent shape with five faces and another shape, a square pyramid, with eight edges and five faces. It's a colorful journey into geometry! https://cdn.kastatic.org/ka-youtube-converted/S-YfsW94Z7o.mp4/S-YfsW94Z7o.mp4 173 Visualising Solid Shapes https://www.khanacademy.org/math/ka-math-class-8-ncf/x5c620ccbb96453eb:exploring-some-geometric-themes/x5c620ccbb96453eb:visualising-solid-shapes/v/introduction-and-types-of-polyhedrons 2025-10-27T11:00:46.958143659Z Introduction and Types of Polyhedrons In this video, we introduce polyhedra—solid shapes made entirely of flat polygonal faces—and explore how they differ from other 3D shapes like spheres and cylinders, which have curved surfaces. You'll learn to distinguish between regular and non-regular polyhedra, understand the structure of prisms and pyramids, and see how these shapes are named based on their base polygons. With multiple examples and clear visuals, this lesson builds a strong foundation in 3D geometry, helping you recognize and classify polyhedra with confidence. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Introduction to polyhedra and non-polyhedra 01:35 Regular and non-regular polyhedra 03:16 Prism and pyramid and their examples Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Introduction and Types of Polyhedrons In this video, we introduce polyhedra—solid shapes made entirely of flat polygonal faces—and explore how they differ from other 3D shapes like spheres and cylinders, which have curved surfaces. You'll learn to distinguish between regular and non-regular polyhedra, understand the structure of prisms and pyramids, and see how these shapes are named based on their base polygons. With multiple examples and clear visuals, this lesson builds a strong foundation in 3D geometry, helping you recognize and classify polyhedra with confidence. Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now!Unit link 00:00 Introduction to polyhedra and non-polyhedra 01:35 Regular and non-regular polyhedra 03:16 Prism and pyramid and their examples Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Khan Academy https://cdn.kastatic.org/ka-youtube-converted/UkxUMqrtGUw.mp4/UkxUMqrtGUw.mp4 370 Visualising Solid Shapes https://www.khanacademy.org/math/7th-grade-foundations-matatag/x1e2e8b1648d78e6f:unit-1/x1e2e8b1648d78e6f:solid-figures/e/mensuration-16-a 2026-04-08T01:15:04.085520103Z Identify 3D shapes Mensuration ashish exercise https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/geometric-solids/e/identify-parts-of-3d-shapes 2025-05-22T15:16:12.691169048Z Identify parts of 3D shapes Identify faces, bases, edges, and vertices on 3D shapes. Lindsay exercise https://www.khanacademy.org/math/class-7-bridge-course-mh/x0c1f424ff210aa1c:constructions-and-three-dimensional-shapes/x0c1f424ff210aa1c:constructions/v/2d-drawings-of-3d-objects 2026-02-25T07:40:45.884125818Z 2D drawings of 3D objects Did you know that a 3D object can look totally different depending on where you stand? In this video, we play "3D Detective." We will look at objects from the Front, the Side, and the Top (the Bird’s Eye View). We'll learn how to draw these flat 2D views so you can describe any solid shape like an architect! Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw 2D drawings of 3D objects Did you know that a 3D object can look totally different depending on where you stand? In this video, we play "3D Detective." We will look at objects from the Front, the Side, and the Top (the Bird’s Eye View). We'll learn how to draw these flat 2D views so you can describe any solid shape like an architect! https://cdn.kastatic.org/ka-youtube-converted/u9BPAJe1jFE.mp4/u9BPAJe1jFE.mp4 153 Visualising Solid Shapes https://www.khanacademy.org/math/class-7-bridge-course-mh/x0c1f424ff210aa1c:constructions-and-three-dimensional-shapes/x0c1f424ff210aa1c:constructions/e/two-dimensional-drawings-of-three-dimensional-objects 2026-04-13T10:20:50.054695382Z Two dimensional drawings of three dimensional objects Gemini said In this exercise, students will learn to identify and differentiate the Front, Side, and Top (bird's-eye) views of 3D objects as 2D representations. Khan Academy exercise https://www.khanacademy.org/math/revision-mr-class-5-math-term-2/x35261c07dfea7828:week-2/x35261c07dfea7828:three-dimensional-objects-and-nets/v/nets-of-3d-objects 2026-02-25T07:40:45.884125818Z Nets of 3D Objects In this math lesson, we learn about nets of 3D objects and how flat shapes fold to form solid shapes like cubes, cuboids, pyramids, and more. You will learn: ✔ What a net is ✔ How a cube net folds ✔ How a cuboid net forms ✔ How pyramid nets work ✔ How different faces connect This lesson uses simple explanations and clear visuals to help students understand how 2D shapes form 3D objects. Khan Academy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Nets of 3D Objects In this math lesson, we learn about nets of 3D objects and how flat shapes fold to form solid shapes like cubes, cuboids, pyramids, and more. You will learn: ✔ What a net is ✔ How a cube net folds ✔ How a cuboid net forms ✔ How pyramid nets work ✔ How different faces connect This lesson uses simple explanations and clear visuals to help students understand how 2D shapes form 3D objects. https://cdn.kastatic.org/ka-youtube-converted/1Pa2GUdKGB0.mp4/1Pa2GUdKGB0.mp4 182 Visualising Solid Shapes https://www.khanacademy.org/math/revision-mr-class-5-math-term-2/x35261c07dfea7828:week-2/x35261c07dfea7828:three-dimensional-objects-and-nets/e/nets-of-3d-objects 2026-02-25T07:40:45.884125818Z Nets of 3D Objects In this exercise, students will learn to identify which two-dimensional nets can be folded to form three-dimensional objects such as cubes, cuboids, pyramids, and other solids. Khan Academy exercise https://www.khanacademy.org/math/ka-math-class-7/x26f4f4b84655c15c:visualising-solid-shapes-new-ncert/x26f4f4b84655c15c:nets-for-building-3-d-shapes/v/intro-to-nets-of-polyhedra-indian-accent 2025-06-11T12:53:03.642274817Z Intro to nets of polyhedra Admittedly, "nets of polyhedra" sounds like the title of a bad sci-fi movie about man-eating, multi-headed fish. But in reality, nets of polyhedra are just 2D objects that wrap around 3D objects, like wrapping paper around presents. Skyloom (Dubbing) video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Intro to nets of polyhedra Admittedly, "nets of polyhedra" sounds like the title of a bad sci-fi movie about man-eating, multi-headed fish. But in reality, nets of polyhedra are just 2D objects that wrap around 3D objects, like wrapping paper around presents. https://cdn.kastatic.org/ka-youtube-converted/CehS3X9LRJM.mp4/CehS3X9LRJM.mp4 353 Visualising Solid Shapes https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-geometry-topic/x0267d782:cc-6th-nets-of-3d-figures/e/nets-of-3d-figures 2026-02-20T07:10:30.803959564Z Nets of polyhedra Practice matching 2D nets to the 3D shapes the fold up into. Rhonda Hughes exercise