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.
Loyola University Chicago
Math Flix: Polyhedra Nets 1
This QuickTime movie provides an opportunity to identify Polyhedra using Nets. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Khan Academy
Khan Academy: Intro to Nets of Polyhedra
Learn about the nets that represent 3D solids. [6:48]
Loyola University Chicago
Math Flix: Volume of a Cone
This QuickTime movie explains how to find volume of a cone using the formula. An example is given. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Khan Academy
Khan Academy: Ways to Cross Section a Cube
Explores the variety of two-dimensional cross-sections that can be obtained by slicing a cube. [7:23]
Khan Academy
Khan Academy: Volume of Triangular Prism and Cube
Demonstrates how to calculate the volumes of a triangular prism and a cube. [3:56]
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]
Khan Academy
Khan Academy: Slicing a Rectangular Pyramid
Demonstrates what types of shapes one can get in a cross-section when a rectangular pyramid is sliced. [3:29]
Khan Academy
Khan Academy: Counting Faces and Edges of 3 D Shapes
Sal identifies the faces and edges on various 3D shapes. [3:36]
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: Volume of a Cone
A video exploring how to calculate the volume of a cone. [5:43]