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Topic (Course) 
Technology 
Type 
$? 
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Touch Pythagoras

Right Triangles (Geometry)+ 
Android 
Tool 

[0]

With this app the Pythagorean Theorem is interactive. You can change the lengths of the legs (dragging), the length of the hypotenuse with two fingers and zoom (pinch zoom) and rotate the figure (dra...
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Circles Around Pythagoras

Right Triangles (Geometry) 
Computer 
Activity 

[2]

A problem on finding the areas created within three concentric circles.
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Geometria

Right Triangles (Geometry)+ 
Computer 
Tool 

[0]

Geometria is free (GPL) crossplatform software based on a tworole (teacher, student) model. The teacher creates a problem, provides it with an answer and saves the problem in a file. The student ope...
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Lesson Plan 

[0]

Learn how the Pythagorean Theorem works and how to apply it.
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Support Material 

[1]

Discussion of exposition, history, and proof of Pythagorean Theorem
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Pythagorean Theorem Lab

Pythagorean theorem (Geometry) 
Computer 
Activity 

[1]

Students do a "web excursion" exploring various proofs and the history of the Pythagorean Theorem.
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The Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Lesson Plan 

[0]

This lesson provides directions for teaching about the Pythagorean Theorem using Geometer's Sketchpad.
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The Pythagorean Theorem 1

Pythagorean theorem (Geometry) 
Computer 
Tool 

[0]

This tool illustrates the Pythagorean Theorem.
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The Right Triangle and the Cos...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cosine function's relation to the right triangle.
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The Right Triangle and the Cos...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cosecant function's relation to the right triangle.
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The Right Triangle and the Cot...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the cotangent function's relation to the right triangle.
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The Right Triangle and the Sec...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the secant function's relation to the right triangle.
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The Right Triangle and the Sin...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the sine function's relation to the right triangle.
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The Right Triangle and the Tan...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides an illustration and description of the tangent function's relation to the right triangle.
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Trigonometry Problem #1

Trigonometry (Geometry) 
Computer 
Activity 

[1]

Trigonometry problem with instant feedback.
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Trigonometry Problem #2

Trigonometry (Geometry) 
Computer 
Activity 

[1]

Trigonometry problem with instant feedback.
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Trigonometry Problem #3

Trigonometry (Geometry) 
Computer 
Activity 

[0]

Trigonometry problem with instant feedback.
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Trigonometry and the Right Tri...

Trigonometry (Geometry) 
Computer 
Support Material 

[0]

Provides detailed information on the trigonometry of right triangles.
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Angles of Elevation and Depres...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains angles of elevation and depression, and how to use those to solve realworld problems.
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Applications of the Tangent Ra...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to find the tangent of an angle and how the tangent ratio is used to make indirect measurements when the measures of a leg and an acute angle of a right triangle are know...
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Distance Formula (Geometry)

Pythagorean theorem (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to use the Pythagorean Theorem to find the distance between two points in the plane.
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Inverse Sine and Cosine (Geome...

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains inverse cosine and sine and how to use them to calculate angle measures.
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Inverse Tangent (Geometry)

Trigonometry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the inverse tangent and core inverse functions: arcsine, arccosine and arctangent.
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Pythagoras' Theorem

Pythagorean theorem (Geometry) 
Flash 
Tool 

[1]

Test yourself on the Pythagorean Theorem and its applications in these ten questions.
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Flash 
Tool 

[0]

Flashbased introduction to finding the hypotenuse given the lengths of the legs of a right triangle. College Cram charges access fees by the month or by the semester for most resources. To get a ...
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