University of Cambridge
University of Cambridge: Nrich: Triangles to Tetrahedra
Given an unlimited number of a specific type of equilateral, isosceles, and right triangles create as many tetrahedra as are possible. Includes printout.
Texas Instruments
Texas Instruments: Copying an Angle
Explore relationships (including congruence and similarity) among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them.
PBS
Pbs Learning Media: Chicken Blast Off Peg + Cat
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.
Other
Building Houses With Side Views
In this resource, 2-D views and 3-D figures are explored. Students build houses consisting of cubes using the given top, front, and right views. [Requires Java.]
Other
Freidenthal Instituut: Guess the View
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.]
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.
abcteach
Abcteach: Geometry
[Free Registration/Login Required] This resource has an assortment of teacher-created geometry activities for elementary and primary students. Printable two-dimensional shapes, area and perimeter worksheets, board games, rules and...
Arizona State University
Arts Work: Communicating Feelings Through Shape & Color
A lesson plan to help young scholars understand the use of symbols and images to express their feelings through their artwork. A great lesson plan to boost students' self esteem. Has a link to a site with examples of Kandinsky's work.
Arizona State University
Arts Work: Communicating Feelings Through Shape & Color
A lesson plan to help young scholars understand the use of symbols and images to express their feelings through their artwork. A great lesson plan to boost students' self esteem. Has a link to a site with examples of Kandinsky's work.
University of Cambridge
University of Cambridge: Nrich: Instant Insanity
Excellent interactive challenge working with cube nets to stack them in a specific order. Manipulate the cubes online to solve the problem.
Texas Instruments
Texas Instruments: Explorer Draw App
Students use this App to draw two-dimensional shapes and representations of three-dimensional cubes. [Requires Adobe Reader.]
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.
University of Cambridge
University of Cambridge: Nrich: Net Cuts
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.
National Council of Teachers of Mathematics
The Math Forum: Defining Geometric Figures
This site provides an in-depth definition of a two-dimensional figure and a three-dimensional figure. Related terms include arcs, vertices, polygon, and many more.
PBS
Pbs Learning Media: Cross Sections of a Cube
This interactive exercise focuses on discovering the relationships between two and three-dimensional shapes.
Texas Instruments
Texas Instruments: Design a Quilt
Students learn to use pattern blocks to build a two dimensional design, and use the calculator to determine the value of the design.
ClassFlow
Class Flow: Solids
[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.
CK-12 Foundation
Ck 12: Elem Math: Completing the Whole Pictures
[Free Registration/Login may be required to access all resource tools.] Students watch a video and then attempt practice problems on how to complete a whole picture with some missing parts.
Utah Education Network
Uen: What's My Structure?
Explore two and three dimensional geometric shapes by creating shapes based on descriptions.
Quia
Quia: Geometric Terms Flash Cards
Do you need practice remembering or learning different geometry vocabulary words and definitions? The flash cards at this web site are for you! There is a link to a list of terms with definitions you can click if you want to see if you...
Sophia Learning
Sophia: Perimeter
Perimeter is defined in this video tutorial. The lesson includes three examples. Students can check their understanding of the concept with an assessment.
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...
University of Cambridge
University of Cambridge: Nrich: Christmas Presents
Improve your logic and net recognition skills with this learning game. Solution included.
University of Cambridge
University of Cambridge: Nrich: Making Boxes
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.