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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Funhouse Mirrors

Straightedge and compass (Geometry) 
Sketchpad 
Tool 

[0]

A Geometer's Sketchpad tool for constructing distorted images that can be viewed undistorted with a cylindrical mirror. The file contains tabbed pages with several images, a grid for students to draw...
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GeoCon

Straightedge and compass (Geometry) 
iPhone 
Tool 
$ 
[1]

GeoCon is designed to be used by students, teachers and math enthusiasts studying plane geometry. With GeoCon various constructions can be created with the touch of a finger. Resolve construction task...
More: lessons, discussions, ratings, reviews,...

GeoCon HD

Straightedge and compass (Geometry) 
iPad 
Tool 
$ 
[1]

GeoCon HD is designed to be used by students, teachers and math enthusiasts studying plane geometry. With GeoCon HD various constructions can be created with the touch of a finger. Resolve constructio...
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Geometria

Straightedge and compass (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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La Hire's Theorem

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate La Hire's Theorem which can be stated, "If P lies on the polar of Q, then Q lies on the polar of P."
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Pappus's Theorem

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate Pappus's Theorem which can be stated, "If alternate vertices of a hexagon are collinear, then the intersections of opposite sides are collinear."
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Pascal's Theorem

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate Pascal's Theorem which can be stated, "If the vertices of a hexagon lie on a conic, then the intersections of opposite sides are collinear."
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The 3 Tangents Theorem

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate The 3 Tangents Theorem which can be stated, "If the triangle ABC touches the conic at P, Q, and R as shown, then AP, BQ, and CR are concurrent."
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The 3 Tangents and 3 Chords Th...

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate The 3 Tangents and 3 Chords Theorem which can be stated, "Triangle ABC is inscribed in a conic. If the tangent at A meets the chord BC at P, the tangent at B m...
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The Converse of Pascal's Theor...

Straightedge and compass (Geometry) 
Cabri 
Tool 

[0]

A Cabri *.fig file written to illustrate The Converse of Pascal's Theorem which can be stated, "If the points A, B, C, D, E, F are such that the intersections of AC and BD, of AE and DF, and of BE and...
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The Focusdirectrix Definition

Straightedge and compass (Geometry) 
Java Applet 
Tool 

[0]

The CabriJava applet shows a conic with focus F, directrix L passing through a point P. The choice of P determines the eccentricity  as the ratio PQ/PF. You can move F and P to see what shapes ar...
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Loan Calculator

Student loans (Financial Education) 
Java Applet 
Tool 

[0]

Explore how to pay off a loan, and how interest affects payment. You can control the the frequency of the payments and the period (number of years) of payments or the amount of each payment.
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Student Loan Debt Calculator

Student loans (Financial Education) 
Calculator 
Tool 

[0]

The "Student loan debt calculator" applies two simple principles to paying off highinterest debt.
1. Consolidate the existing student loans
2. Use the extra cash every month to pay off other hi...
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From Probability to Combinator...

Subsets and Combinations (Discrete Math) 
Java Applet 
Lesson Plan 

[1]

Looks at data structures and their applications to probability theory.
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Combinations (Amsco Integrated...

Subsets and Combinations (Discrete Math) 
Flash 
Support Material 

[0]

This minilesson explains combination: a collection of things in which order is not important.
More: lessons, discussions, ratings, reviews,...

Computing Combinations and Per...

Subsets and Combinations (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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Tables and Combinatorics Dialo...

Subsets and Combinations (Discrete Math) 
Calculator 
Support Material 

[1]

Discussion of tables as a convenient way to store and count outcomes.
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Combinations

Subsets and Combinations (Discrete Math) 
Flash 
Tool 

[2]

Flash tutorial introducing the formula C(n,k)=n!/(k!(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 mat...
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The Game of Marienbad

Subsets and Combinations (Discrete Math) 
Flash 
Tool 

[1]

A version of the game of Nim, as played in the film "Last Year at Marienbad." You and the computer take turns removing as many cards as you like from one row at a time; the player who takes the last c...
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Solving Systems of Equations i...

Substitution (Algebra II) 
Flash 
Support Material 

[1]

The method of solving system of equations in two variables by substitution and by equating the coefficients.
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Solving Systems of Equations i...

Substitution (Algebra II) 
Flash 
Support Material 

[0]

This minilesson explains the method of solving system of equations in three variables by substitution.
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Apples and Oranges 1 Decimal

Substitution (Algebra II) 
Android 
Tool 
$ 
[0]

This application is a basic tool for learning algebra. Users try to solve a system of linear equations with two equations and two unknown variables. It is based on the same problem used in the free ap...
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Function Problem  the tradi...

Substitution (Algebra II) 
Shockwave 
Tool 

[0]

The 3D animated video helps students solve the following function problem:
If y = 11 + 169t2 and x = 7 + 13t.
What is y in terms of x?
Alt...
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Interactive Story Problem: The...

Substitution (Algebra II) 
Excel 
Tool 

[1]

Students explore some of the costs associated with smoking cigarettes. Note the User's Guide link (MS Word file download) provides additional notes for the instructor.
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Using the Fundamental Theorem

Substitution (Calculus) 
Computer 
Support Material 

[0]

Discusses indefinite integrals and integration by substitution.
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