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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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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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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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Play with Spirals Information ...

Number theory (Math 7) 
Computer 
Lesson Plan 

[0]

Suggestions of question prompts to provide students as they use Play with Spirals, one of the Alive Maths microworlds.
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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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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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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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Maths Hangman

Number theory (Math 7) 
Flash 
Tool 

[0]

Guess the words in this hangman game using vocabulary from geometry, algebra, number, and statistics.
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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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Primitives

Prime (Math 7)+ 
Flash 
Tool 

[2]

Primitives is a small Flash application for visualizing numbers in terms of their prime factors.
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Properties of Numbers

Number theory (Math 7) 
Flash 
Tool 

[0]

Test yourself with these questions on properties of numbers.
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Sliding Factors

Factor (Math 7) 
Flash 
Tool 

[0]

In this game, drag a tile onto an adjacent tile of which it is a factor, and "capture" the second tile. Tiles can be dragged to empty spaces. Try to clear the board.
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XP Math: King Kong's Prime Num...

Prime (Math 7)+ 
Flash 
Tool 

[0]

In this whackamole variant, click on King Kong if he appears holding a prime number, or lose a point if you click on him when he's holding a composite number.
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Algebra Tiles

Factor (Math 7) 
Java Applet 
Tool 

[3]

Visualize multiplying and factoring algebraic expressions using tiles.
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An Introduction to Arithmetic ...

Sequences & series (Math 7) 
Java Applet 
Lesson Plan 

[0]

This lesson is designed to introduce students to the idea of an arithmetic sequence.
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Arithmetic Series

Sequences & series (Math 7) 
Java Applet 
Tool 

[0]

Students are given one number, then they click, and the next number appears. Students should click until they can figure out how to get the next number in the sequence. There are only 8 sequences, s...
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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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