CK-12 Foundation
Ck 12: Geometry: Surface Area of Prisms
[Free Registration/Login may be required to access all resource tools.] Use a formula and given information to calculate the surface area of different prisms.
Shodor Education Foundation
Shodor Interactivate: Cross Sections
This lesson utilizes the concepts of cross-sections of three-dimensional figures to demonstrate the derivation of two-dimensional shapes.
National Council of Teachers of Mathematics
Nctm: Figure This: Decorating Boxes
How do you print a ribbon on a box? The challenge is to figure out which of the patterns can be folded into a box with an orange ribbon printed all the way around it?
E-learning for Kids
E Learning for Kids: Math: School Bus: 3 D Objects
Let Peter the Bus driver help you learn about 3D objects.
NumberNut
Number Nut: Shapes, Symbols and Colors: Three Dimensional Shapes
Describes the basic three-dimensional figures students will encounter in elementary Math and in the world around them, and makes mention of a few unusual ones.
PBS
Pbs: Hans Hofmann for Teachers (Lesson Plans)
Go directly to the lesson plans developed as complements to the PBS documentary "Hans Hofmann: Artist/Teacher, Teacher Artist." These classroom resources were designed to explore the influential theories of the artist.