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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Cutouts, Nets

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[18]

Dynamic net for constructing Platonic solids. Slider adjusts from flat to solid; it is interesting to see the shapes materialize from the flat nets.
More: lessons, discussions, ratings, reviews,...

Great Stella

2D pictures of 3D solids (Geometry) 
Computer 
Tool 
$ 
[0]

Great Stella allows you to view 3D polyhedra. Hundreds provided (Platonic, Archimedean, KeplerPoinsot & all other uniform polyhedra, Johnson Solids, Stewart toroids, compounds, geodesics, etc.). R...
More: lessons, discussions, ratings, reviews,...

Guess The View

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[6]

Students are given a 3d view of an object, and then given a 2d view of the object. Students must choose which of 6 views is being displayed from a list including front view, right side view, left si...
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K3DSurf for 3D Mathematic draw...

2D pictures of 3D solids (Geometry) 
Computer 
Tool 

[1]

K3DSurf is a program to visualize and manipulate mathematical models in three, four, five and six dimensions.
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Lathe

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[4]

Student draws top half of outline; a solid of rotation (horizontal axis) is produced (shown in perspective, dynamic).
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Out of the Box

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[1]

The Java applet simulates a piece of paper that is 9 inches by 9 inches long. Dragging the slider will show how much of the paper's corners will be cut. Clicking on "Save Values" will save the valu...
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Parametric Surfaces (3D Graph...

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[1]

Graphs surfaces in three dimensions specified parametrically, as x=f(s,t), y=g(s,t), and z=h(s,t), with parameters s and t.
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Platonic Solids

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[1]

This virtual manipulative allows you to display, rotate, and resize Platonic solids. It also allows you to select vertices, edges, and faces, and show that the number of vertices minus the number of e...
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Platonic Solids  Duals

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[0]

With this applet it can be seen that a platonic dual is two platonic solids, one placed inside the other. The vertices of the inner platonic solid are the center points of each of the surfaces of the ...
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Platonic Solids  Slicing

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[2]

This virtual manipulative displays a platonic solid on the left and the outline of a plane that slices through it on the right.
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Plot Plans and Silhouettes

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[0]

Visualization activity; given front and side views, devise a workable top view (with heights). Instructions and discussion built in.
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Poly

2D pictures of 3D solids (Geometry) 
Computer 
Tool 

[5]

Poly is a shareware program for exploring and constructing polyhedra. With Poly, you can manipulate polyhedral solids on the computer in a variety of ways. Flattened versions (nets) of polyhedra may b...
More: lessons, discussions, ratings, reviews,...

Properties of a cube  Math Op...

2D pictures of 3D solids (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a cube.
A 3D cube is shown in the applet which can be interactively manipulated using the mouse.
R...
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Rotating Houses

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[2]

Students are presented with a 3d figure created with blocks that can be rotated and flipped using a mouse. The figure must be rotated until it matches a 2d representation of one of the views. There ...
More: lessons, discussions, ratings, reviews,...

Small Stella

2D pictures of 3D solids (Geometry) 
Computer 
Tool 
$ 
[0]

Small Stella is the ideal entrylevel polyhedron program for schools or anyone interested in geometry, with hundreds of polyhedra provided. Print out the nets required to build your own paper model...
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Space Blocks

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[1]

Create and discover patterns using three dimensional blocks.
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Space Blocks (tPoW version)

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[3]

Manipulate the threedimensional blocks to think about what the arrangement looks like from a front, side, and/or back view. Visualize a twodimensional representation in a threedimensional environme...
More: lessons, discussions, ratings, reviews,...

Stella4D

2D pictures of 3D solids (Geometry) 
Computer 
Tool 
$ 
[0]

Stella4D allows you to create and view 3D polyhedra and 4D polytopes. Hundreds provided (Platonic, Archimedean, KeplerPoinsot & all other uniform polyhedra, Johnson Solids, Stewart toroids, compo...
More: lessons, discussions, ratings, reviews,...

Volume inside a cube  Math Op...

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the volume of a cube.
A cube is shown where the edge length can be changed by dragging.
The volume is continuously recalculated ...
More: lessons, discussions, ratings, reviews,...

Volume inside a cylinder  Ma...

2D pictures of 3D solids (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the volume of a cylinder.
A cylinder is shown where the height and radius can both be changed by dragging.
The volume is continu...
More: lessons, discussions, ratings, reviews,...

Building a House

2D pictures of 3D solids (Geometry) 
Java Applet 
Technology PoW 

[2]

Use a Java applet from the Freudenthal Institute to help find the largest number of cubes and the smallest number of cubes to make the house pictured in the problem.
NOTE: A free l...
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How Many Cubes?

2D pictures of 3D solids (Geometry) 
Java Applet 
Technology PoW 

[5]

Given the front view and side view of an arrangement of cubes, students are asked for the largest number of cubes that could have been used to make the arrangement, as well as the smallest number poss...
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¿Cuántos Cubos?

2D pictures of 3D solids (Geometry) 
Java Applet 
Technology PoW 

[0]

Dado la vista de frente y del lado de unos cubos, se pide que los estudiantes encuentren el número máximo de cubos que se pueden utilizar para hacer el arreglo, y tambien el número mínimo de cubos ...
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Trig Review: Special Triangles

306090 and 454590 (Trigonometry) 
Flash 
Tool 

[5]

Allows user to assign lengths to sides of 306090 and 454590 triangles, and checks the answers.
More: lessons, discussions, ratings, reviews,...

Absolute Value Parts I4

Absolute Value (Algebra II) 
Java Applet 
Tool 

[2]

Students are asked to predict what an absolute value graph will look like with given parameters. Then they can use a graphing utility that is on the same page to test their predictions. Feedback is g...
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