Students complete a variety of activities to learn about crystals. In this crystals lesson plan, students paint with a crystal solution, pan for crystals, grow crystals, and more.

Predict which solid shape constructions would be unstable as shown at this one page website. Solutions are available right at the website.

We are learning about how shape attributes helps us to see how shapes are alike and different. This site provides four resources for shapes including 3-D.

This lesson describes three dimensional shapes and provides two interactive practice activities.

[Free Registration/Login Required] Students will click on the point of the word and drag it to the correct figure. Click challenge me to answer practice questions and click learn more to watch a video.

Print out these colorfully illustrated PDF file pages to practice learning your basic three dimensional geometric solids. Fold them in half and one side shows the shape while the other side shows the shape with the correct name. Put them...

Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.

A math challenge where geometry, measurement, and problem solving meet. Explore the properties of three dimensional shapes when you discover how six friends can equally divide a nine inch square chocolate cake. A one page activity from...

This lesson offers an interesting, hands-on experience for middle school students studying cylinders. Students will create cylinders, and measure and compare their volumes.

A geodesic dome is constructed using newspaper for this activity. The activity is accompanied by a lesson plan, and a link to a 'Shapes Lab' where you can see through animation the strength of various shapes for construction.

Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.

Improve your logic and net recognition skills with this learning game. Solution included.

Have fun and learn by making a box and then find out its maximum volume as well as other problem-solving activities, including making a table of your results and drawing a graph.

How many different cuboids can you make? Learn how and learn how to represent data with your results.

Work with this cube problem and see if you can find a pattern. Then you can check your solution with solutions already submitted.

[Free Registration/Login Required] Students determine the volume of a cylinder by moving the points on the can of soup. Click challenge me to answer practice questions and click learn more to watch a video.

[Free Registration/Login Required] Students will explore cross sections and nets of three dimensional objects. Click challenge me to answer practice questions and click learn more to watch a video.