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Topic (Course) 
Technology 
Type 
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The Imaginary Number i

Complex Numbers (Trigonometry)+ 
Flash 
Tool 

[0]

Flash tutorial introducing i: definition, square roots of negative integers, raising i to powers, and complex numbers. College Cram charges access fees by the month or by the semester for most res...
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The Incenter of a Triangle  M...

Centers of triangles (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet demonstrating the concept of the incenter of a triangle.
The applet shows a triangle where the user can drag the vertices around. The incenter and the a...
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The Integers (Amsco Integrated...

Number Systems (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains counting numbers, whole numbers, and integers, including types of sets, subsets of integers, ordering the integers, symbols of inequality, and absolute value.
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The Integers (Amsco Integrated...

Whole (Algebra)+ 
Flash 
Support Material 

[0]

This minilesson explains basic concepts of counting numbers, whole numbers, and integers.
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The Inverse Tangent Function

Function graphs (Calculus) 
Java Applet 
Tool 

[0]

Explore graphs of the tangent and inverse tangent functions.
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The Irrational Numbers (Amsco ...

Irrational (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains irrational numbers, squares, and square roots.
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The Kite  Math Open Reference

Kite (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that show the properties of a kite, (a quadrilateral with two distinct pairs of equal adjacent sides).
The applet shows a kite and the user can reshap...
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The Language of Algebra Unit Q...

Order of operations (Math 7)+ 
JavaScript 
Tool 

[1]

The user can practice their understanding of algebraic terms, the correct order of operations, and how to write equations and inequalities with this online interactive quiz.
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The Law of Cosines 1

Law of cosines (Geometry) 
Java Applet 
Tool 

[0]

This applet illustrates the law of cosines. Improved version of "Law of Cosines 2" applet. It allows students to prove the Law of Cosines using a proof similar to Euclid's proof for the Pythagorean ...
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The Law of Cosines 2

Law of cosines (Geometry) 
Java Applet 
Tool 

[0]

This applet illustrates the law of cosines.
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The Law of Sines

Law of sines (Geometry) 
Java Applet 
Tool 

[0]

This applet illustrates the law of sines.
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The Law of Sines

Law of sines (Geometry)+ 
Java Applet 
Tool 

[0]

This applet walks the student through an interactive, geometric proof of the Law of Sines.
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The Laws of Logarithms (Algebr...

Laws of Logarithms (Algebra II) 
Flash 
Support Material 

[0]

This minilesson explains the laws of logarithms and how to use these laws to simplify or rewrite the expressions.
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The Legacy of Galileo and Newt...

Approximating rate of change (Calculus) 
Computer 
Tool 

[0]

RealMedia movies of solved problems on average velocity.
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The Legacy of Galileo, Newton,...

Approximating rate of change (Calculus) 
Java Applet 
Tool 

[0]

Compare average and instantaneous velocities of the position function s(t) = 4.9 t^2.
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The Legacy of Newton, Galileo,...

Approximating rate of change (Calculus) 
Computer 
Activity 

[1]

A quiz (with answers) on average and instantaneous rates of change.
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The Longest Ladder

Optimization and extrema (Calculus) 
Java Applet 
Tool 

[0]

What is the length of the longest ladder that can be carried around a corner? Experiment, then see the solution.
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The Lottery Game

Probability (Math 6)+ 
Java Applet 
Activity 

[1]

Students learn more about probability and randomness. Try to understand the principles behind the coin toss and answer the questions provided.
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The Malthus and Verhulst Popul...

Modeling, including exp. fcns. (Calculus) 
Flash 
Tool 

[3]

An animation of a model for population growth: what happens to a population when resources are exhausted?
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The Mean Value Theorem

Mean Value Theorem (Calculus) 
Java Applet 
Tool 

[0]

Find a tangent line parallel to a particular secant line.
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The Mean Value Theorem

Mean Value Theorem (Calculus) 
Java Applet 
Tool 

[0]

Enter a function or select one from the list, and try to find a tangent line parallel to a secant line you choose.
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The Mean Value Theorem

Mean Value Theorem (Calculus) 
Computer 
Tool 

[0]

RealMedia movies of worked problems on the Mean Value Theorem.
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The Mean Value Theorem: Quiz

Mean Value Theorem (Calculus) 
Computer 
Activity 

[0]

Quiz (with answers) on the Mean Value Theorem.
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The Meaning of an Algebraic Fr...

Rational Expressions (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains the meaning of an algebraic fraction or rational expression.
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The Medication Problem

Recursion (Discrete Math)+ 
Computer 
Activity 

[1]

Students can solve a practical recursion equation problem about medication in the body. Students must try to find a pattern and then create an appropriate equation with the aid of this activity.
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