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Topic (Course) 
Technology 
Type 
$? 
Rating 

Midpoint  Similar Triangles

Similarity (Geometry) 
Java Applet 
Tool 

[1]

This applet demonstrates the relationship of the segment connecting two midpoints of a triangle and the opposite side.
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Midpoint Quadrilateral Notice/...

Similarity (Geometry)+ 
TINspire 
Tool 

[0]

Students write what they notice and wonder about a midpoint quadrilateral, and then use TINspire™ technology to add auxiliary lines and justify their conjectures about the midpoint quadrilateral.
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Similar Triangles

Similarity (Geometry) 
Java Applet 
Tool 

[1]

This applet tests your knowledge of the properties of similar triangles.
More: lessons, discussions, ratings, reviews,...

Similar polygons  Math Open ...

Similarity (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of similar polygons.
Applets show that polygons are similar if the are the same shape and possibly rotated, or refle...
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Similar triangles  ratio of a...

Similarity (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate that in similar triangles, the ratio of their areas
is the square of the ratio of the sides. As you drag one triangle to resize it...
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Similarity

Similarity (Math 4)+ 
Sketchpad 
Tool 

[0]

This activity introduces students to the important ideas of similarity and congruence. Students create their own resizeable logos, which they then use to construct similar shapes. Students can contin...
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Side Length and Area of Simila...

Similarity (Math 5)+ 
Java Applet 
Tool 

[1]

The user can manipulate the side lengths of one of two similar rectangles and the scale factor to learn about how the side lengths, perimeters, and areas of the two rectangles are related.
More: lessons, discussions, ratings, reviews,...

Side Length, Volume, and Surfa...

Similarity (Math 5)+ 
Java Applet 
Tool 

[0]

The user can manipulate the scale factor that links two threedimensional rectangular prisms and learn about the relationships among edge lengths, surface areas, and volumes.
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Paper Folding Activity

Similarity (Math 6)+ 
Java Applet 
Lesson Plan 

[0]

Students fold a sheet of paper (a manipulative) and also simulate folding using a JavaSketchpad activity to observe geometric relations. Students think about the angle measurements and the side measur...
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SelfSimilarity Dialogue

Similarity (Math 6)+ 
Java Applet 
Support Material 

[0]

Discusses how fractals are selfsimilar objects.
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Dimension and Scale Dialogue

Similarity (Math 7)+ 
Java Applet 
Support Material 

[1]

Discusses fractal dimension, how that dimension relates to scale, and the formula needed to calculate the fractal dimension of an object.
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Dimension for Irregular Fracta...

Similarity (Math 7)+ 
Java Applet 
Support Material 

[1]

Discusses the problem of determining the fractal dimension of irregular fractals and how the scale is indeterminite in these fractals.
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Symmetry

Similarity (Math 7)+ 
Computer 
Support Material 

[0]

Provides illustrations and a definition of symmetry.
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Congruence Theorems

Similarity (Math 7)+ 
Java Applet 
Tool 

[1]

In this investigation, the user can explore the conditions that guarantee uniqueness of a triangle, quadrilateral, or pentagon regardless of location or orientation. Each set of conditions results in ...
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Height of the Pole

Similarity (Math 7)+ 
Java Applet 
Tool 

[0]

This applet asks you to find the height of a pole using the information about the two surrounding poles. Look at the similarity of the triangles formed in the picture.
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Similar Figures

Similarity (Math 7)+ 
Java Applet 
Tool 

[1]

This applet demonstrates how similar figures are created through transformations.
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Similar Figures

Similarity (Math 7)+ 
JavaScript 
Tool 

[0]

The user reviews the definition of similar figures and how to use proportions to find the measure of the missing side. After viewing examples of this method, users can interactively practice matching...
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Advanced Cancel

Simplify (Algebra)+ 
JavaScript 
Tool 

[0]

The user can enter an expression and set the options and the calculator will cancel the expression to simplest terms.
More: lessons, discussions, ratings, reviews,...

Advanced Simplify

Simplify (Algebra)+ 
JavaScript 
Tool 

[0]

The user can enter an expression that needs to be simplified and set the options and the calculator will return the simplified expression.
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Basic Cancel

Simplify (Algebra)+ 
JavaScript 
Tool 

[0]

The user can enter an expression into the calculator and the calculator will cancel the expression, if possible.
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Basic Simplify

Simplify (Algebra)+ 
JavaScript 
Tool 

[1]

The user can enter an expression into the calculator and the calculator will simplify the given expression.
More: lessons, discussions, ratings, reviews,...

Linear Equations

Simplify (Math 7)+ 
Flash 
Tool 

[0]

This tool generates linear equations for practice in solving them, and gives answers with work at the student's request.
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Simplifying Square Roots and R...

Simplify Expressions (Algebra II) 
Flash 
Support Material 

[0]

This minilesson explains how to simplify square roots or radicals.
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Radical Practice

Simplify Expressions (Algebra)+ 
Java Applet 
Tool 

[1]

Practice simplifying simple square roots, square roots with numbers outside the radical, simple cube roots, and cube roots with numbers outside the root. There is no practice with variables under the...
More: lessons, discussions, ratings, reviews,...

Working With Radicals

Simplify Expressions (Algebra)+ 
Flash 
Tool 

[0]

This tutorial demonstrates how to multiply, divide, add, and subtract radicals. It also explains the simplest radical form. In each case, you can enter your own values and get stepbystep solutions...
More: lessons, discussions, ratings, reviews,...

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