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Technology 
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Dynamic Geometry Exploration: ...

Parallelogram (Geometry) 
Java Applet 
Tool 

[0]

These two interactive sketches help students make conjectures about parallelograms. There are 5 questions that go with the first sketch and four with the second. The students change the parallelogra...
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Parallelogram, definition and...

Parallelogram (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet showing the definition and properties of a parallelogram.
The applet shows a parallelogram, any vertex of which the user can drag. The other points then ...
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Area of a Parallelogram  Math...

Parallelogram (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet showing the ways to calculate the area of a parallelogram. The user can drag the vertices of the parallelogram and the other points change automatically to ensure ...
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Perimeter of a parallelogram ...

Parallelogram (Geometry)+ 
Java Applet 
Tool 

[0]

A web page and interactive applet show how to compute the perimeter of a parallelogram.
A parallelogram is shown that can be resized by dragging its vertices. As you drag, the perimeter is cont...
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Coulomb's Law

Param., Polar, & Vector Fcns. (Calculus)+ 
JavaScript 
Tool 

[0]

Explore the interactions of two particles based on the direction and magnitude of their charges, and on their initial positions.
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Universal Gravitation Model

Param., Polar, & Vector Fcns. (Calculus)+ 
JavaScript 
Tool 

[0]

Explore how the mass of and distance between two objects affects the force between them in this simulation of Newton's Law of Universal Gravitation. Questions prompt students to examine these interact...
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Families of Parametric Curves,...

Param., Polar, & Vector Fcns. (Calculus) 
Flash 
Tool 

[0]

You can create beautiful images using families of parametric curves. This little application has two parts: "A Gallery," where the families are predefined, and "Choose a Family," where you can enter ...
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Parametric Curves on the Plane...

Param., Polar, & Vector Fcns. (Calculus) 
Flash 
Tool 

[0]

In this applet the user enters parametric equations for a planar curve in rectangular or in polar coordinates. The curve is plotted with x and y ranges adjusted automatically. The curve can be traced ...
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Tangent Lines and Parametric C...

Param., polar, vector fcns. (Calculus) 
Computer 
Support Material 

[0]

Outline of ways to find first and second derivatives of parametric functions.
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Autonomous System

Param., polar, vector fcns. (Calculus) 
Java Applet 
Tool 

[0]

View graphs of parametric functions defined by their derivatives.
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Tangent Lines and Parametric C...

Param., polar, vector fcns. (Calculus) 
Flash 
Tool 

[0]

Brief explanation of the formula for the derivative of a parametric function.
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Tangent Lines and Parametric C...

Param., polar, vector fcns. (Calculus) 
Flash 
Tool 

[0]

Example of calculating the derivative of a parametric function.
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Tangent Lines and Parametric C...

Param., polar, vector fcns. (Calculus) 
Flash 
Tool 

[0]

Animated derivation of the formula for the second derivative of a parametric function.
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Tangent Lines and Parametric C...

Param., polar, vector fcns. (Calculus) 
Flash 
Tool 

[0]

Animated calculation of the second derivative of a parametrically defined ellipse.
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Mars Orbit

Parametric Equations (Trigonometry) 
Java Applet 
Tool 

[0]

Astronomers now know that the planets in our solar system travel around the Sun in roughly circular orbits. However, people used to believe that the Sun and other planets orbited the Earth. If that we...
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Functions

Parent Functions (Algebra II)+ 
Sketchpad 
Activity 

[0]

Investigate constant, linear, quadratic, cubic, square root, cube root, absolute value, rational, natural log, and exponential functions. Parent functions and full form functions for modification are...
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Advanced Partial Fractions

Partial Fractions (PreCalculus)+ 
JavaScript 
Tool 

[0]

The user can enter a rational expression into the solver and the solver will break it into partial fractions.
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Episode 13: Halves

Parts of a whole (PreKindergarten)+ 
Flash 
Lesson Plan 

[0]

Activities to develop an understanding of halves as a mathematical concept using continuous objects of varying shapes.
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Fractions  Parts of a Whole

Parts of a whole (PreKindergarten)+ 
Java Applet 
Tool 

[0]

This manipulative is particularly useful to illustrate fractions with a graphic and numeric representation.
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Count Us In: Game 13

Parts of a whole (PreKindergarten)+ 
Flash 
Tool 

[0]

The player has to match the halves of images.
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Pascal's Triangle Lesson

Pascal's triangle (Math 5)+ 
Java Applet 
Lesson Plan 

[0]

The following discussions and activities are designed to lead the students to explore the number patterns and fractal properties of Pascal's Triangle. Basic arithmetic operations of multiplication and...
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Patterns in Pascal's Triangle

Pascal's triangle (Math 5)+ 
Java Applet 
Lesson Plan 

[0]

This lesson is designed to show students that patterns exist in the Pascal's Triangle, and to reinforce student's ability to identify patterns.
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Pascal's Triangle Lessons

Pascal's triangle (Math 5)+ 
Java Applet 
Lesson Plan 

[0]

A Web unit designed to support workshops given by the Math Forum for the Urban Systemic Initiative (Philadephia and San Diego). Read about the history of Pascal's triangle and learn to construct it; v...
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Pascal's Triangle Dialogue

Pascal's triangle (Math 5)+ 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about Pascal's Triangle.
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Ask Dr. Math: FAQ: Pascal's Tr...

Pascal's triangle (Math 5)+ 
Java Applet 
Support Material 

[0]

Answers to the frequently asked questions: What is Pascal's Triangle? How do you construct it? What is it used for?
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