Crash Course
Crash Course: Trippy Shapes
In school, you learn about shapes with sides and edges - but there are weird shapes out there (beyond our 3 dimensions) that defy our normal idea of geometry. QuanQuan and Jenny explain, knit, and 3D print their way through trippy...
Khan Academy
Khan Academy: Recognizing Common 3 D Shapes
Sal identifies the following 3D shapes: square pyramid, rectangular prism, triangular prism, cylinder, and cone. [3:28]
Khan Academy
Khan Academy: Cylinder Volume and Surface Area
Looks at how to find the volume and the surface area of a cylinder using the standard geometric formulas. [8:07]
CK-12 Foundation
Ck 12: Elem Math: Overview of Basic 3 D Figures
[Free Registration/Login may be required to access all resource tools.] Students watch a video overview on the properties of basic three dimensional figures.