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Topic (Course) 
Technology 
Type 
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Nonagon  Math Open Reference

Polygons (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the properties of a nonagon (9 sided polygon).
The applet shows a nonagon where the user can drag any vertex to reshape it.
User can see th...
More: lessons, discussions, ratings, reviews,...

Octagon, definition and proper...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the properties of a octagon (8 sided polygon).
The applet shows an octagon where the user can drag any vertex to reshape it.
User can see t...
More: lessons, discussions, ratings, reviews,...

Pentagon, definition and prope...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the properties of a pentagon (5 sided polygon).
The applet shows a pentagon where the user can drag any vertex to reshape it.
User can see ...
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Perimeter of a polygon  Math ...

Polygons (Geometry)+ 
Java Applet 
Tool 

[0]

A web page and interactive applet show how to compute the perimeter of a polygon.
A polygon is shown that can be resized by dragging its vertices. As you drag, the perimeter is continuously rec...
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Polygon Creator

Polygons (Geometry) 
Java Applet 
Tool 

[1]

With this applet you can create polygons. The trick is to figure out the properties of polygons (the sum of the interior angles) so that you can instruct the program to produce legitimate polygons. ...
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Polygon definition  Math Open...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate polygons. The applet
shows a polygon which is initially an irregular convex pentagon. The user can drag any vertex and a message sh...
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Radius of a Polygon  Math Ope...

Polygons (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that define and describe the radius of a regular polygon.
The applet has a polygon where the user can change the umber of sides and alter the radiu...
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Regular Polygons  Math Open R...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate regular polygons. The applet presents a regular hexagon initially. The
user can drag any vertex, which causes all the others to mo...
More: lessons, discussions, ratings, reviews,...

Sides of a Regular Polygon  M...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that illustrate the properties of the sides of a regular polygon.
The applet shows a regular hexagon where the user can drag any vertex and change t...
More: lessons, discussions, ratings, reviews,...

Tetragon, definition and prope...

Polygons (Geometry)+ 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the properties of a tetragon (4 sided polygon, aka quadrilateral).
The applet shows a tetragon where the user can drag any vertex to reshape...
More: lessons, discussions, ratings, reviews,...

The Sum of Outer Angles of a P...

Polygons (Geometry) 
Java Applet 
Tool 

[1]

This applet demonstrates an interesting property about the sum of the outer angles of a polygon. Remember to hit the OK button to close your polygon. To get the point of the applet you must continue ...
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Undecagon  Math Open Referenc...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

The applet shows an undecagon where the user can drag any vertex to reshape it.
User can see that the interior and exterior angles are constant in a regular undecagon, but vary in an irregular ver...
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Geoboard  Isometric

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[0]

Use geoboard to illustrate threedimensional shapes.
More: lessons, discussions, ratings, reviews,...

Isometric Drawing Tool

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[1]

Use this Java applet to create dynamic drawings on isometric dot paper. Draw figures using edges, faces, or cubes. You can shift, rotate, color, decompose, and view in 3D or 2D.
More: lessons, discussions, ratings, reviews,...

Studying Polyhedra

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[1]

What is a polyhedron? A definition and a Java applet to help in exploring the five regular polyhedra to find how many faces and vertices each has, and what polygons make up the faces. Also links to a ...
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Surface Area and Volume

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[1]

This activity allows the user to to manipulate threedimensional polyhedrons to experiment with surface area and volume.
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Surface Area and Volume Dialog...

Polyhedra (Math 5)+ 
Java Applet 
Support Material 

[1]

Introduces students to the concepts of surface area and volume.
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Tomography Game

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[4]

This game challenges you to identify a threedimensional object based only on its intersections with a plane. The height of this plane can be changed using a slider control. This simulation of a compu...
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Tomography Game: Practice

Polyhedra (Math 5)+ 
Java Applet 
Tool 

[1]

A practice area to review or learn to identify the categories and their objects that can appear in the Tomography Game.
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Cutouts, Nets

Polyhedra (Math 6)+ 
Java Applet 
Tool 

[18]

Dynamic net for constructing Platonic solids. Slider adjusts from flat to solid; it is interesting to see the shapes materialize from the flat nets.
More: lessons, discussions, ratings, reviews,...

3D Visualization Activity: St...

Polyhedra (Math 7)+ 
Java Applet 
Activity 

[2]

Student handouts for critical thinking activity to accompany National Library of Virtual Manipulatives' Platonic Solids and Platonic Solids: Slicing applets. (view "Tool" links below)
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3D Visualization Activity: Te...

Polyhedra (Math 7)+ 
Java Applet 
Lesson Plan 

[0]

Teacher notes for critical thinking activity to accompany National Library of Virtual Manipulatives' Platonic Solids and Platonic Solids: Slicing applets. (view "Tool" links below) Includes differenti...
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Absolute Convergence

Polynomial Approxs. and Series (Calculus) 
Java Applet 
Tool 

[0]

Discusses the absolute convergence test for infinite series.
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Absolute Convergence

Polynomial Approxs. and Series (Calculus) 
Java Applet 
Tool 

[0]

Uses absolute convergence to determine whether the sum from 2 to infinity of cos(n)/(1n^3) converges.
More: lessons, discussions, ratings, reviews,...

Absolute Convergence

Polynomial Approxs. and Series (Calculus) 
Java Applet 
Tool 

[0]

Uses absolute convergence to determine whether the sum from 1 to infinity of sin((1)^n/n^2) converges.
More: lessons, discussions, ratings, reviews,...

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