Students are given a 3-D view of an object and then given a 2-D view of the object. Students must choose which of 6 views is being displayed from a list. This applet consists of 20 practice problems. [Requires Java.]

Learners use the colored portion of the 3-D object to color the correct side of the 2-D drawing. This applet consists of 20 problems. [Requires Java.]

Use this game resource to help children foster the skills of using 3-D shapes to build a spaceship that is just the right size and shape for its passengers.

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

In this enrichment game, the nets for nine solids are displayed. The twist is that each net has been cut into two pieces. The challenge is find the pieces that go together.

A geometry lesson plan that examines the history and structure of ancient pyramids and engages students in constructing pyramid models. A comprehensive lesson plan that considers students with diverse learning styles. Math concepts...

Can you judge an object by its shadow? Use your mental rotation skills to determine if a shadow can be produced by a particular shape.

This video lesson introduces the concept of volume by relating it to area. The tutorial provides detailed examples.

This Math Forum lesson gives instructions on how to build a paper pyramid. Bonuses included finding the surface area and volume of the pyramid.

This video lesson demonstrates how to work backwards to find a missing value when the surface area of a prism is known. The tutorial provides detailed examples. Students can check their understanding with an assessment.

Surface area is introduced in this video lesson. The tutorial provides a definition and several examples of surface area.

Name various 3D shapes in this online game.

A comprehensive list of 2D shapes and 3D solids with everything from a triangle to a dodecahedron. Includes illustrations and short descriptions of attributes for each.

Given a verbal and/or pictorial description of the intersection of a plane with various three-dimensional geometric figures, the student will describe and/or draw the intersection.

This activity shows how to create an Origami by folding paper. Students will be able to create exciting and beautiful two-and-three-dimensional figures.

[Free Registration/Login Required] In this flip chart, students apply geometric sense by using the properties of two-dimensional and three-dimensional shapes to solve mathematical problems involving area and volume.

Did you know that two-dimensional shapes are also called polygons? This lesson describes the various 2-D shapes and includes two interactive games to reinforce skills.

A lesson in creating 3-D solids using toothpicks and marshmallows.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on determining if there are straight lines in various two dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] Students practice counting sides and vertices in various two dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems on counting lines and curves in various two dimensional shapes.

[Free Registration/Login may be required to access all resource tools.] Students watch a video to determine if a two dimensional shape can be tessellated and then take a quick assessment to test their skills.

Students will complete a series of learning games to explore two-dimensional shapes, such as naming them and completing the shape.

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