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Technology 
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Number Worlds: Visual and expe...

Number theory (Math 7) 
Computer 
Support Material 

[1]

Recent research demonstrates that many issues related to the structure of natural numbers and the relationship among numbers are not well grasped. In this article, the computerbased learning environm...
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Factors and Factoring (Amsco I...

Prime (Math 7)+ 
Flash 
Support Material 

[0]

This minilesson explains the basics of factors, including prime factors, greatest common factor, and how prime factorization can be used to find the greatest common factor.
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Factors, Primes, and Factoriza...

Prime factorization (Math 7) 
Flash 
Support Material 

[0]

This interactive multimedia tutorial explores prime numbers and factors, without the use of division per se.
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Pascal's Triangle

Pascal's triangle (Math 7) 
Flash 
Support Material 

[0]

This Math Images page catalogs an image of Pascal's Triangle along with a basic description, mathematical explanations, and references.
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Ask Dr. Math FAQ: Prime Number...

Number theory (Math 7) 
Java Applet 
Support Material 

[0]

Answers to the frequently asked questions including: What is a prime number? How can you find prime numbers? What's the Sieve of Eratosthenes? What's the largest known prime?
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Ask Dr. Math: FAQ: Golden Rati...

Sequences & series (Math 7) 
Java Applet 
Support Material 

[0]

Information about the Golden Ratio (or Golden Mean), the Golden Rectangle, and the relation between the Fibonacci Sequence and the Golden Ratio.
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Ask Dr. Math: FAQ: Learning to...

Factor (Math 7) 
Java Applet 
Support Material 

[1]

Students regularly ask Doctor Math questions about how to factor. Here are some answers from the archives.
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Ask Dr. Math: FAQ: Pascal's Tr...

Pascal's triangle (Math 7) 
Java Applet 
Support Material 

[0]

Answers to the frequently asked questions: What is Pascal's Triangle? How do you construct it? What is it used for?
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Infinity and Iteration Dialogu...

Sequences & series (Math 7) 
Java Applet 
Support Material 

[0]

Discusses infinity, iterations and limits by referencing fractals and sequences.
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Mandelbrot Set Dialogue

Sequences & series (Math 7) 
Java Applet 
Support Material 

[1]

Shows how the set of all Julia Sets are used to create the classic Mandelbrot fractal.
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Pascal's Triangle Dialogue

Pascal's triangle (Math 7) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about Pascal's Triangle.
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Prisoners and Escapees  Julia...

Sequences & series (Math 7) 
Java Applet 
Support Material 

[1]

Defines the notion of prisoners and escapees as they pertain to iterative functions. A prisoner ultimately changes to a constant while escapees iterate to infinity.
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Recursion Dialogue

Sequences & series (Math 7) 
Java Applet 
Support Material 

[0]

Discusses the idea of recursion as it pertains to fractals and sequences.
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What are Multiples Discussion

Multiple (Math 7) 
Java Applet 
Support Material 

[0]

Discusses integer multiples as repeated addition.
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Fractions Balance

Number theory (Math 7) 
Android 
Tool 

[0]

Usually in elementary mathematics, pan scale balances are used only to display at the time of equilibrium in order to verify that two quantities are equivalent.
In this case, apart from that use, it ...
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Math Garden

Prime (Math 7)+ 
Android 
Tool 

[0]

In this app, the natural numbers are represented as plants:
If two unseeded seeds overlap, they add up.
If two seeds are planted, the plants multiply.
The plants are structured in branc...
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Touch Integers ℤ (+  × ...

Number theory (Math 7) 
Android 
Tool 

[0]

The fundamental theorem of arithmetic, also known as the unique factorization theorem or the uniqueprimefactorization theorem, states that every integer greater than 1 either is prime itself or is t...
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Touch Natural Numbers

Prime (Math 7)+ 
Android 
Tool 

[0]

With this app you can:

Fibonacci Numbers in Nature

Sequences & series (Math 7) 
Computer 
Tool 

[1]

This series of slides shows photographs and drawings of plants in nature that exhibit and demonstrate the Fibonacci series. Animations are also included to help the students see the spirals and the g...
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About Arithmetic Sequences

Sequences & series (Math 7) 
Flash 
Tool 

[0]

Flashbased introduction to arithmetic sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the sem...
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About Geometric Sequences

Sequences & series (Math 7) 
Flash 
Tool 

[0]

Flashbased introduction to geometric sequences, including finding the general term, a specific term, and the sum of a range of terms. College Cram charges access fees by the month or by the seme...
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Factor Table

Factor (Math 7) 
Flash 
Tool 

[0]

Is the number in a row a factor of the number heading a column? If so, drag its cofactor into the given square; if not, drag the red X. Click a square to see the two numbers; click again to see a vis...
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Factorgram

Prime factorization (Math 7) 
Flash 
Tool 

[0]

Drag prime numbers into the diagram to see if they are factors of the given number. Numbers you have tried so far will be listed to the right of the diagram.
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Flash Math

Multiple (Math 7) 
Flash 
Tool 

[6]

In a game context students select a sequence of numbers using the "rule" stated for that game. There are three levels that a user can choose including easy, medium, or hard.
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Math Images Tool: Pascal's Tri...

Pascal's triangle (Math 7) 
Flash 
Tool 

[0]

This Flash animation, developed as part of the Math Images project, allows users to explore some of the patterns present in Pascal's Triangle.
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