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Topic (Course) 
Technology 
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The Guessing 1100 Game

Probability of event (Math 4)+ 
JavaScript 
Tool 

[1]

Guess which number the computer picked; this tool records your number of guesses and tells you whether you should guess higher or lower.
More: lessons, discussions, ratings, reviews,...

The Hispaniola Water Shortage

Number theory (Math 4)+ 
Java Applet 
Tool 

[0]

Students are asked to use virtual containers of water, of definite sizes, and combine them in various ways to come up with as many different resulting volumes as possible.
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The Hispaniola Water Shortage ...

Number theory (Math 4)+ 
Java Applet 
Activity 

[0]

Gives students an introduction to number theory by emphasizing the significance of starting with containers of different parity, as compared to containers of the same parity. Some implied work with mo...
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The Hispaniola Water Shortage ...

Number theory (Math 4)+ 
Java Applet 
Lesson Plan 

[0]

Links to Standards, activities, lessons, Ask Dr. Math archives, vocabulary, other resources.
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The Histogram (Amsco Integrate...

Histograms, freq. dist (Math 7)+ 
Flash 
Support Material 

[0]

This minilesson explains histograms and how to draw them.
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The History of Integration

Antidifferentiation Techniques (Calculus) 
Computer 
Support Material 

[0]

A brief history of integration, with emphasis on the benefits of Mathematica.
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

The Integers (Amsco Integrated...

Whole (Algebra)+ 
Flash 
Support Material 

[0]

This minilesson explains basic concepts of counting numbers, whole numbers, and integers.
More: lessons, discussions, ratings, reviews,...

The Inverse Tangent Function

Function graphs (Calculus) 
Java Applet 
Tool 

[0]

Explore graphs of the tangent and inverse tangent functions.
More: lessons, discussions, ratings, reviews,...

The Irrational Numbers (Amsco ...

Irrational (Algebra) 
Flash 
Support Material 

[0]

This minilesson explains irrational numbers, squares, and square roots.
More: lessons, discussions, ratings, reviews,...

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...
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

The Legacy of Galileo and Newt...

Approximating rate of change (Calculus) 
Computer 
Tool 

[0]

RealMedia movies of solved problems on average velocity.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

The Legacy of Newton, Galileo,...

Approximating rate of change (Calculus) 
Computer 
Activity 

[1]

A quiz (with answers) on average and instantaneous rates of change.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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.
More: lessons, discussions, ratings, reviews,...

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?
More: lessons, discussions, ratings, reviews,...

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