PBS
Pbs Kids Afterschool Adventure!: Operation: Shape It Up Activity Plan
Get your spy glasses ready! In this weeklong adventure, children will explore shapes and their attributes and use this knowledge to decode a secret message. Children will learn about two-dimensional (flat) and three-dimensional (solid)...
Alabama Learning Exchange
Alex: Understanding Fractions
In this lesson the children will demonstrate parts of a whole using a candy bar (or fruit), and piece of paper. The activities are used as instructional plans to help students better understand shapes and parts of a shape up to a whole....
Science Struck
Science Struck: A Comprehensive Printable List of Geometry Formulas
Provides a list of area and perimeter formulas for two-dimensional shapes and volume and surface area formulas for three-dimensional solids.
Illustrative Mathematics
Illustrative Mathematics: 7.g Cube Ninjas!
In this lesson, 7th graders slice three dimensional objects to determine what two dimensional shape is created.
Other
Ohio Resource Center: Shadows
This applet helps students visualize the shapes of shadows cast by a cube with a light coming from different angles. This helps students visualize shapes from different angles and to identify, sketch and classify the cross-sections of...
ArtLex
Art Lex: Shape
This online dictionary of art from Artlex provides terms is a valuable tool. Shape is on the Sg-Sh page. Just scroll down to Shape and read a definition with links to other important terms.