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Topic (Course) 
Technology 
Type 
$? 
Rating 

Completing the Square (Algebra...

Completing the square (Algebra II) 
Flash 
Support Material 

[0]

This minilesson explains the process of completing the square for solving equations that cannot be easily solved by addition, subtraction, multiplication, division, and factoring.
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Complex Numbers

Complex Numbers (Trigonometry)+ 
Java Applet 
Tool 

[1]

This tool lets students see how complex numbers are added, subtracted, and multiplied graphically. They are asked to describe what has happened when complex numbers are added, subtracted, and mulitpl...
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Complex Numbers Applet

Complex Numbers (Trigonometry)+ 
Java Applet 
Tool 

[0]

This applet does symbolic calculation of complex numbers. This means that you can enter integers and fractions for the component values of a complex number (real and imaginary). Values with numbers th...
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Complexity

Rectangular Form (Trigonometry)+ 
JavaScript 
Support Material 

[0]

This support material shows the user the properties of complex numbers and provides "notes" that prove some of these properties.
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Components of a Vector

Component Form & Length (Trigonometry) 
Java Applet 
Tool 

[0]

Users develop an understanding that vectors are composed of both magnitude and direction.
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Composing Reflections

Reflections (Math 5)+ 
Java Applet 
Tool 

[0]

Users can examine the result of reflecting a shape successively through two different lines.
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Composing Transformations

Transformations (Math 5)+ 
Java Applet 
Tool 

[1]

The users are challenged to compose equivalent transformations in two different ways.
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Composite Functions

Function graphs (Calculus) 
Java Applet 
Tool 

[0]

Investigate the graphs of various composite functions and look for their maxumum values.
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Composite Functions (Algebra I...

Functions / Relations (Algebra II)+ 
Flash 
Support Material 

[0]

This minilesson explains how functions can be combined to give a composite function.
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Composition of Transformations...

Transformations and symmetry (Geometry)+ 
Sketchpad 
Activity 

[2]

This "lab" contains seven "experiments" in which students perform different geometric transformations on an object to determine whether, or under what conditions, the transformations commute.
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Composition: The Chain Rule

Chain rule and implicit diff. (Calculus) 
Java Applet 
Tool 

[0]

A Java applet that illustrates the chain rule for derivatives, with questions to answer using the applet. Includes a rescalable presentation version with large fonts.
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Compound Interest Calculator 1

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

This calculator is for a onetime investment (with no withdrawals). It finds the amount you will have at the end of your investment.
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Compound Interest Calculator 2

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

This calculator is for a onetime investment (with no withdrawals). It finds how much you will have to invest to reach your desired goal.
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Compound Interest Calculator 3

Percentages (Math 7)+ 
JavaScript 
Tool 

[0]

This calculator is for a onetime investment (with no withdrawals). It finds how long it will take for an investment to reach a certain amount.
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Compound Interest Simulator

Percentages (Math 7)+ 
JavaScript 
Tool 

[2]

This applet will allow you to investigate savings account earnings, credit card debt, and a stock market simulation.
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Computer Project 2

Applications of Derivatives (Calculus) 
Computer 
Activity 

[1]

Some suggestions for experimentation with a polynomial function in various Newton's Method applets.
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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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Computing Eigenvalues and Eige...

Analysis of vector curves (Calculus) 
Computer 
Support Material 

[0]

Discusses methods for computing eigenvectors of different kinds of matrices.
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Computing Pi

Number sense (Math 7)+ 
Computer 
Tool 

[1]

The Greek mathematician Archimedes approximated pi by inscribing and circumscribing polygons about a circle and calculating their perimeters. Similarly, the value of pi can be approximated by calculat...
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Concave Polygons  Math Open R...

Polygons (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of a concave polygon 
one where at least one interior angle is greater than 180°. The applet shows an irregular po...
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Concavity

The graphs of f, f', and f" (Calculus) 
Java Applet 
Tool 

[0]

Compare the graph of a function and its first and second derivatives, or try to draw the graph of a function, given the graphs of its first and second derivatives.
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Concentration

Number sense (PreKindergarten)+ 
Computer 
Tool 

[1]

By yourself or against a friend, match whole numbers, shapes, fractions, or multiplication facts to equivalent representations. Practice with the clear panes or step up the challenge with the windows ...
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Concentric Circles  Math Open...

Circles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of concentricity.
The applet shows two resizeable concentric circles and the common center point. As they are dragged to ...
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Conceptualizing Correlation an...

Data analysis (Math 7)+ 
Fathom 
Lesson Plan 

[0]

This activity uses the dynamic environment in Fathom to help students conceptualize a formula used for the correlation coefficient and regression equation. Students will gain a deeper conceptual under...
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Conditional Probability Applet

Probability of event (Math 5)+ 
Java Applet 
Tool 

[0]

Students move around the events A and B to see how the sets and probabilities change. Conditional probabilites are given below the Venn diagram.
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