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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Symmetry (Geometry)

Transformations and symmetry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the basics of bilateral (line) and radial symmetry.
More: lessons, discussions, ratings, reviews,...

Transformation (Getting Starte...

Transformations and symmetry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the basics of transformations, focusing on rotation, reflection, translation and dilation.
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Translation, Reflection, Dilat...

Transformations and symmetry (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains in more detail the basics of translation, reflection, dilation, and rotation.
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Using Letters to Represent Num...

Translate (Math 7)+ 
Flash 
Support Material 

[1]

This minilesson explains how to convert algebric expressions into verbal phrases containing addition, subtraction, multiplication, and division.
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The translation transformation...

Translations (Math 4)+ 
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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Area and perimeter of a triang...

Triangles (Geometry)+ 
Flash 
Tool 

[0]

An interactive applet and associated web page that show the relationship between the perimeter and area of a triangle.
It shows that a triangle with a constant perimeter does NOT have a constant...
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Area of a Triangle (Geometry)

Triangles (Geometry)+ 
Flash 
Support Material 

[0]

This mini lesson explains the formula used to calculate the area of a triangle.
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Congurent and Similar Triangle...

Triangles (Geometry)+ 
Flash 
Support Material 

[0]

This minilesson explains congruence and similarity in triangles, using these concepts to prove triangles congruent, or to determine missing measurements.
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Medians and Midsegment (Geomet...

Triangles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains theorems related to medians and midsegments.
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Triangle AngleSum Theorem (Ge...

Triangles (Geometry) 
Flash 
Support Material 

[0]

This lesson explains the triangle anglesum theorem and how to use it in proofs.
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Triangle Inequality (Geometry)

Triangles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the triangle inequality theorem and the angleside relationship.
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Triangles (Getting Started: Ge...

Triangles (Geometry) 
Flash 
Support Material 

[0]

This minilesson introduces triangles and their parts.
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Triangles Classification (Geom...

Triangles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the concepts and basics of Classification of Triangles as scalene, isosceles, equilateral, and so forth.
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Why AAA does not prove congrue...

Triangles (Geometry)+ 
Flash 
Activity 

[1]

An interactive applet and associated web page that shows that angleangleangle (AAA) is not enough
to prove congruence.
The applet shows two triangles, one of which can be dragged to resize it...
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Why SSA does NOT prove congrue...

Triangles (Geometry)+ 
Flash 
Activity 

[1]

An interactive applet and associated web page that shows that sidesideangle is not enough
to prove congruence, because two triangles can meet the condition.
The applet shows two triangles, on...
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Pythagoras' Theorem

Triangles (Math 5)+ 
Flash 
Tool 

[1]

Test yourself on the Pythagorean Theorem and its applications in these ten questions.
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Area of a Triangle

Triangles (Math 7)+ 
Flash 
Tool 

[1]

Flashbased introduction to finding the area of a triangle, given the base and height. College Cram charges access fees by the month or by the semester for most resources. To get a preview of thei...
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Sine curve visualization tool:...

Trig Functions (Trigonometry)+ 
Flash 
Tool 

[1]

As students drag the ball along the perimeter of the circle a line is drawn between the point on the circle and the corresponding point on the sine curve. The range is from 0 to 360 degrees on the cir...
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Trigonometric Functions (Getti...

Trig Functions (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains the basics of trigonometric functions.
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Trigonometric Functions  Angl...

Trig Functions (Trigonometry)+ 
Flash 
Support Material 

[0]

This minilesson explains how to evaluate trigonometric functions for the common angle values of the first four quadrants.
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Multiplication of Complex Numb...

Trig or Polar Form (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to multiply complex numbers written in trigonometric form.
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Polar Form of Complex Numbers ...

Trig or Polar Form (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson explains how to write complex numbers in polar form in terms of a distance from the origin and a direction (or angle) from the positive horizontal axis.
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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...
More: lessons, discussions, ratings, reviews,...

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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