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Technology 
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Credit Card Calculator

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

This calculator is for figuring out how long it will take you to pay off your credit cards where set monthly payments are made and the interest is compounded monthly (which is standard for the U.S.)
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The GiveItUptoGetRich Cal...

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

This calculator is for experimenting with how much money you can save if you give up smoking or your morning latte and muffin. It finds the amount you will have at the end of your investment.
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Is it better to buy or rent?

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

Whether renting is better than buying depends on many factors, particularly how fast prices and rents rise and how long you stay in your home. Compare the costs of buying and renting a home in the cal...
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What is Area?

Perimeter (Math 3)+ 
Computer 
Lesson Plan 

[0]

Collaborative group activity comparing area and perimeter using HandsOn Math software by Ventura Educational Systems. The ideas could also be adapted to use with other software or a Java applet.
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Perimeter Lesson (elementary)

Perimeter (Math 3)+ 
Calculator 
Lesson Plan 

[0]

Students will learn about perimeter and the units used to measure perimeter using a variety of materials including their hands, feet, rulers, and computer applets.
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Perimeter

Perimeter (Math 3)+ 
Flash 
Tool 

[0]

This module is about finding out how to work out the perimeter of irregular shapes, using factsheets, worksheets, and a quiz at three levels of difficulty. Find related resources for further explorati...
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Shape Explorer Dialogue

Perimeter (Math 4)+ 
Java Applet 
Support Material 

[0]

A dialogue between a mentor and a student about using the Shape Explorer applet to find the area and perimeter of an irregular shape.
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Tables and Chairs

Perimeter (Math 4)+ 
Java Applet 
Tool 

[0]

Explore rectangular and straightline arrangements of tables, calculating the number of chairs needed to surround different arrangements thereby exploring perimeter concepts. Tables and Chairs is one ...
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Perimeter

Perimeter (Math 7)+ 
Java Applet 
Lesson Plan 

[0]

Introduces the concept of perimeter.
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Area and Perimeter

Perimeter (Math 7)+ 
Computer 
Support Material 

[0]

Provides definitions and illustrations of area and perimeter.
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Perimeter of a Quadrilateral

Perimeter (Math 7)+ 
Java Applet 
Tool 

[0]

This applet demonstrates the rule of the perimeter of a quadrilateral.
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Effect of Dimension Changes on...

Perimeter, area, and volume (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains the effects of changes in dimension on the perimeter of regular polygons and circumference of circles.
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Real World Applications (Geome...

Perimeter, area, and volume (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to apply formulas and the relationship between perimeter and area for problem solving in real life situations.
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Effect of Dimension Changes on...

Perimeter, area, and volume (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how a change in a figure's dimensions affects its area.
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Conservation of Area

Perimeter, area, and volume (Geometry) 
Java Applet 
Tool 

[0]

This applet demonstrates conservation of area given simple transformations on the original shape.
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Dividing a Triangle

Perimeter, area, and volume (Geometry) 
Java Applet 
Tool 

[0]

These two applets help you discover two ways to divide a triangle into two equal parts (in terms of area).
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GeoCalc

Perimeter, area, and volume (Geometry)+ 
Computer 
Tool 

[0]

Macintosh shareware for calculating the area, perimeter, sides, angles, and other measures of two and threedimensional shapes such as ellipses, rectangles, triangles, trapeziums, parallelograms, pol...
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Computing Combinations and Per...

Permutations (Discrete Math)+ 
Flash 
Support Material 

[0]

This minilesson introduces the fundamentals and important concepts from counting principles to compute combinations and permutations.
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Permutations

Permutations (Discrete Math)+ 
Flash 
Tool 

[0]

Flash tutorial introducing the formula P(n,k)=n!/(nk)!. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their free math mo...
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Permutations (Amsco Integrated...

Permutations (Math 7)+ 
Flash 
Support Material 

[0]

This minilesson explains permutation: an arrangement of objects or things in some specific order.
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Euclid's Elements, Book I, Def...

Perpendicular (Geometry) 
Java Applet 
Tool 

[0]

Gives Euclid's original definition of perpendicular lines and then examines the definition's validity and durability. To reset the applet, press "r" while your cursor is over the diagram.
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Euclid's Elements, Book I, Pro...

Perpendicular (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition demonstrates how to draw a line perpendicular to a given line, through a given point on the line. The guide then examines the structure of the proposition. To reset the applet, p...
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Euclid's Elements, Book I, Pro...

Perpendicular (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition demonstrates how to draw a line perpendicular to a given line, through a given point not on the line. The guide then examines the structure of the proposition. To reset the apple...
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Constructing a Perpendicular t...

Perpendicular (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
construct a perpendicular to a given line through a given point off the line.
...
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Constructing a Perpendicular t...

Perpendicular (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
construct a perpendicular to a given line at a given point on the line.
The an...
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