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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Euclid's Elements, Book I, Def...

Polygons (Geometry) 
Computer 
Support Material 

[0]

Gives Euclid's original definitions of boundaries and figures and then examines the definitions' validity and durability.
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Figures and Polygons

Polygons (Geometry) 
Computer 
Support Material 

[0]

Provides definitions and illustrations on figures and polygons.
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Geometria

Polygons (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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Geometry, Section 2

Parallelogram (Geometry)+ 
Computer 
Support Material 

[0]

A collection of illustrated concepts including problems for students to work out, and standalone word problems. Includes automated feedback. Pre and posttests, answer sheets, additional help, tools,...
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Regular Polygons

Regular polygons (Geometry) 
Computer 
Support Material 

[0]

Provides illustrations and a definition of regular polygons.
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Studying Angles using Logo

Polygons (Geometry) 
Computer 
Lesson Plan 

[0]

A group of Logo procedures to investigate angles. Use these two ways: if time is short, use the procedures as they are to investigate angles with students. If there's more time, let students join in c...
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The Rhombus

Rhombus (Geometry) 
Computer 
Support Material 

[0]

Provides the defining properties of a rhombus.
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The Trapezoid

Trapezoid (Geometry) 
Computer 
Support Material 

[1]

Provides the defining properties of a trapezoid.
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Relationships Between Area and...

Quadrilaterals (Geometry) 
Excel 
Lesson Plan 

[0]

In this activity, students explore the relationships between area and perimeter by fixing one value and maximizing the other. Students will explore the relationship between perimeter and area of recta...
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Area and perimeter of a rectan...

Rectangle (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page showing how to find the area and perimeter of a rectangle
from the coordinates of its vertices. The rectangle can be either parallel to the axes o...
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Area and perimeter of a square...

Square (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page showing how to find the area and perimeter of a square
from the coordinates of its vertices. The square can be either parallel to the axes or rota...
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Area and perimeter of a trapez...

Trapezoid (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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Area of a Rectangle

Rectangle (Geometry) 
Flash 
Tool 

[0]

Flashbased introduction to finding the area of a rectangle, given length, width, and units of measurement. College Cram charges access fees by the month or by the semester for most resources. To ...
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Classifying Polygons (Geometry...

Polygons (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains classifying polygons, drawing on earlier lessons about polygons.
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Constructing a hexagon inscrib...

Regular polygons (Geometry)+ 
Flash 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to construct
a hexagon inscribed in a circle using only a compass and straightedge.
The method begin...
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Constructing a pentagon inscri...

Polygons (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to construct
a pentagon inscribed in a circle using only a compass and straightedge.
The method begins...
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Constructing a regular hexagon...

Other polygons (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to construct
a regular hexagon using only a compass and straightedge.
The method begins with a line se...
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Definition and properties of a...

Square (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a square
when applied in coordinate geometry.
The applet has a square, and the user can drag any vertex ...
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Definition and properties of a...

Rectangle (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a rectangle in coordinate geometry.
The applet has a rectangle with draggable vertices. As the user res...
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Definition and properties of a...

Trapezoid (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a trapezoid in coordinate geometry.
The applet has a trapezoid with draggable vertices. As the user res...
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Diagonals of a rectangle Math...

Rectangle (Geometry) 
Flash 
Activity 

[0]

A web page and interactive applet show how to compute the length of the diagonals of a rectangle.
A rectangle is shown that can be resized by dragging its vertices. As you drag, the diagonals a...
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Diagonals of a square  Math O...

Square (Geometry) 
Flash 
Activity 

[0]

A web page and interactive applet show how to compute the length of the diagonals of a square.
A square is shown that can be resized by dragging its vertices. As you drag, the diagonals are con...
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Inscribed and Circumscribed Po...

Polygons (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains concepts of and relationships between inscribed and circumscribed polygons.
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Interior and Exterior Angles o...

Polygons (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the properties and relationship of angles of polygons in general and particularly of interior and exterior angles of polygons.
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Matching Game

Polygons (Geometry) 
Flash 
Tool 

[0]

Test your knowledge of geometric figures and your memory against the clock in this matching game.
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