National Council of Teachers of Mathematics
Nctm: Illuminations: Geometric Solids
This tool allows you to manipulate various geometric solids and investigate their properties.
Alabama Learning Exchange
Alex: Guess My Shape
The students will make the connection between 2-D and 3-D shapes using modeling clay and geometric solids and participate in an interactive web lesson. Students will make predictions about what 2-D shape they think will be made when they...
Texas A&M University
Wtamu Virtual Math Lab: Beginning Algebra: Formulas
This tutorial will show you how using formulas can help you solve problems. Include formulas for various geometric shapes and steps showing how to use them.
NC State University
The Engineering Place: Shapes
A lesson in creating 3-D solids using toothpicks and marshmallows.