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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Building Houses with Side View...

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

[22]

This provides a visualization challenge. Front, right, and top views, and the number of blocks used, are shown; user constructs a block figure (dynamic, perspective drawing) to match (10 different fi...
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Cutouts, Nets

Regular polyhedra (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.
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Geoboard

Polygons (Geometry) 
Java Applet 
Tool 

[14]

Investigate, describe, and reason about the results of subdividing, combining, and transforming shapes using models and representations. Develop, understand, and use formulas to find the perimeter an...
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Building Houses

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

[9]

Provides a "building pad" for constructing block houses. Building pad is dynamic; top, front, and side views of constructed objects are shown.
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Cubes

Volume (Geometry) 
Java Applet 
Tool 

[5]

The volume of a box can be determined by using this applet to manipulate and enumerate unit cubes, rows of unit cubes, or layers of unit cubes.
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Types of Triangles

Isosceles (Geometry)+ 
Java Applet 
Tool 

[4]

This JavaSketchpad applet accompanies the tPoW, Types of Triangles. Students are able to drag and manipulate four triangles and by noticing what happens they classify the triangles as either scalene, ...
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Tomography Game

Perimeter, area, and volume (Geometry)+ 
Java Applet 
Tool 

[4]

This game challenges you to identify a threedimensional object based only on its intersections with a plane. The height of this plane can be changed using a slider control. This simulation of a compu...
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Math Jeopardy Template

General (Geometry) 
PowerPoint 
Tool 

[4]

Using this PowerPoint template makes it easy to create your own professionallooking Jeopardy games. Five categories with five levels of difficulty are provided in the template. Complete instruction...
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Fill and Pour

Cylinders (Geometry)+ 
Java Applet 
Tool 

[3]

Fill a glass with the requested amount of liquid by filling, emptying, and pouring between it and a second container. Click the "New Problem" button to generate new parameters; "Challenge" creates con...
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Colouring Sides 2

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

[3]

Eight 3d objects are shown in perspective and orthographic views. Some faces in the orthographic views are colored; user colors appropriate faces in the perspective view. Twenty variations shown, w...
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Area and perimeter of a trapez...

Coordinate geometry (Geometry)+ 
Flash 
Activity 

[2]

An interactive applet and associated web page showing how to find the area and perimeter of a trapezoid
from the coordinates of its vertices. The trapezoid can be either parallel to the axes o...
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Printable compass / straighted...

Straightedge and compass (Geometry) 
Flash 
Activity 

[2]

A web page that contains a list of 35 printable worksheets for compass and straightedge constructions.
Each printable sheet has 2 or 3 problems and links back to the pages interactively explaining th...
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Types of Triangles

Isosceles (Geometry)+ 
Java Applet 
Activity 

[2]

This activity is available in Word, PDF, or HTML format and at two different levels (an introduction to types of triangles, and a more advanced version). Students use a GSP sketch or interactive web ...
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Right Triangle Geometry

Right (Geometry)+ 
Java Applet 
Activity 

[2]

This eModule presents realworld problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
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Composition of Transformations...

Transformations and symmetry (Geometry)+ 
Sketchpad 
Activity 

[2]

This "lab" contains seven "experiments" in which students perform different geometric transformations on an object to determine whether, or under what conditions, the transformations commute.
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History of Geometry

History of geometry (Geometry) 
Computer 
Support Material 

[2]

This is a brief history of geometry by general topics (e.g. coordinate geometry).
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Euclid's Elements, Book I, Def...

Line (Geometry) 
Computer 
Support Material 

[2]

Gives Euclid's original definition of a straight line and then examines the definition's validity and durability.
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GeoGebra

General (Geometry) 
Computer 
Tool 

[2]

GeoGebra is a free and multiplatform dynamic mathematics software for schools that joins geometry, algebra and calculus. On the one hand, GeoGebra is a dynamic geometry system. You can do construc...
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Surface Area of a Sphere

Spheres (Geometry)+ 
Flash 
Tool 

[2]

Flashbased introduction to finding the area of a sphere, given the radius. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, se...
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Tessellations

Tessellations (Geometry) 
Java Applet 
Tool 

[2]

Using this virtual manipulative you may: add a block to the workspace; rotate a block; change the color of a block; remove a block; group blocks; zoom in/out
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Platonic Solids  Slicing

Regular polyhedra (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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Identify These Quadrilaterals

Quadrilaterals (Geometry) 
Java Applet 
Tool 

[2]

This applet asks you to determine the types of quadrilaterals illustrated.
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Transformations  Rotation

Rotation (Geometry) 
Java Applet 
Tool 

[2]

Dynamically interact with and see the result of a rotation transformation.
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Proof Without Words: Completin...

Logic and proof (Geometry) 
Java Applet 
Tool 

[2]

Carry out an interactive, geometric "proof without words" for the algebraic technique of completing the square.
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Dynamic Geometry Exploration: ...

Trapezoid (Geometry) 
Java Applet 
Tool 

[2]

Two interactive trapezoids for students to use to make conjectures about midsegments. The second one allows the user to collapse the trapezoid to a triangle and make a conjecture about the relationsh...
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