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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Ray definition (Coordinate Geo...

Line (Geometry)+ 
Flash 
Tool 

[0]

An interactive applet and associated web page that show the definition of a ray in coordinate geometry.
The applet has two points that the user can drag.
The two points define a ray, one of t...
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Rotation transformation  Math...

Rotation (Geometry) 
Flash 
Tool 

[0]

A web page and interactive (Flash) applet demonstrating the rotation transformation. User can drag a polygon and cause it to
rotate about a point. The point (center of rotation) can be also d...
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Rotational Symmetry

Rotation (Geometry) 
Flash 
Tool 

[0]

This tool will introduce students to the order of rotational symmetry, and provides examples to test understanding.
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Slope of a Line  Math Open Re...

Slope (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that demonstrate the slope (m) of a line.
The applet has two points that define a line. As the user drags either point it continuously
recalculate...
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Surface Area

Surface area (Geometry) 
Flash 
Tool 

[0]

Investigate area as the total area of the surface of a space figure. Derive surface area formulas for common three dimensional figures. This online activity lets students interactively change the dim...
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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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Surface Area of a cylinder  M...

Cylinders (Geometry)+ 
Flash 
Tool 

[0]

An interactive applet and associated web page that demonstrates how to calculate the surface area of a cylinder.
A cylinder is shown where the height and radius can both be changed by dragging. ...
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The Coordinate (Cartesian) Pl...

Cartesian plane (Geometry) 
Flash 
Tool 

[1]

An interactive applet and associated web page that describe the concept of the coordinate plane (Cartesian Plane).
The applet shows the plane, its axes, origin and related controls.
The user ...
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The Futures Channel

General (Geometry) 
Flash 
Tool 

[0]

The Futures Channel produces educational microdocumentary videos that show students how professionals are using math, science, technology and engineering in the real world. Teachers often describe t...
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The translation transformation...

Translation (Geometry) 
Flash 
Tool 

[0]

A web page and interactive (Flash) applet demonstrating the translation transformation. Drag the vertices
of a given triangle, and the translated image of the triangle is updated as they drag. ...
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Volume of a Sphere

Spheres (Geometry)+ 
Flash 
Tool 

[0]

Flashbased introduction to finding the volume 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, ...
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XP Math: Finding Areas of Para...

Quadrilaterals (Geometry) 
Flash 
Tool 

[0]

In this game, students race the clock to find the areas (with units) of parallelograms.
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XP Math: Finding Perimeters of...

Quadrilaterals (Geometry) 
Flash 
Tool 

[0]

In this game, students race the clock to find perimeters of parallelograms.
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XP Math: Flip Card  Angle Typ...

Obtuse (Geometry)+ 
Flash 
Tool 

[0]

In this memory/matching game, students flip cards over in pairs, trying to match the description of an angle with a graphic representation of that angle.
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XP Math: Geometric Shapes Avoi...

General (Geometry) 
Flash 
Tool 

[0]

Move the cursor to avoid the shapes. Special tokens offer benefits when you catch them.
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XP Math: Helicopter Shootdown ...

Angles (Geometry) 
Flash 
Tool 

[1]

In this game, students set the angle at which to fire, attempting to get "close enough" to the helicopter to shoot it down.
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XP Math: Metroid Coordinates

Cartesian plane (Geometry) 
Flash 
Tool 

[1]

Help Samus defeat Ridley by locating his coordinates.
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XP Math: UFO Attack  Space An...

Angles (Geometry) 
Flash 
Tool 

[0]

In this game, students set the angle at which to fire in order to shoot down the UFOs, aiming between 0 and 180 degrees.
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XP Math: Wheel of Fortune: Geo...

General (Geometry) 
Flash 
Tool 

[2]

Spin the wheel and pick a consonant, or buy a vowel for $250. Guess the word or phrase related to geometry to win the game.
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Centroid of a Triangle  Math...

Triangles (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet demonstrating the concept of the centroid of a triangle.
The applet shows a triangle where the user can drag the vertices around. The centroid and the m...
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Parallelogram, definition and...

Parallelogram (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet showing the definition and properties of a parallelogram.
The applet shows a parallelogram, any vertex of which the user can drag. The other points then ...
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3D Object Viewer

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

[1]

Applet contains orthographic projections (static) and perspective drawings (dynamic) of 8 different objects; useful for building visualization skills. Toggle between "drawing" view and "3d model" vi...
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30  60  90 Triangles  Math ...

Right (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a 306090 triangle.
The applet shows a right triangle that can be resized by dragging any vertex.
As it is drag...
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3:4:5 Triangles  Math Open Re...

Right (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a 3:4:5 triangle  one of the Pythagorean triples.
The applet shows a right triangle that can be resized by draggin...
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4 Standard Types of Loci

Construction and loci (Geometry) 
Java Applet 
Tool 

[0]

This allows students to explore 4 loci problems with a JavaSketchpad sketch: from 1 fixed point, from 1 fixed line, from 2 fixed points, and from 2 fixed lines. The students can manipulate the drawin...
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