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Topic (Course) 
Technology 
Type 
$? 
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Towers of Hanoi

Writing powers (Math 7) 
Java Applet 
Tool 

[3]

Solve the tower problem and test your theory by varying the number of disks.
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Exponents

Exponents (Math 7)+ 
PowerPoint 
Tool 

[3]

This is a PowerPoint lesson on exponents designed with the middle schooler in mind. The lesson uses color, sound, and animation to effectively illustrate necessary concepts and procedures. An analog...
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Secret Worlds: The Universe Wi...

Powers of ten (Math 7) 
Java Applet 
Tool 

[2]

View the Milky Way at 10 million light years from the Earth. Then move through space towards the Earth in successive orders of magnitude until you reach a tall oak tree just outside the buildings of t...
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Play with Frogs Information fo...

Number sense (Math 7) 
Computer 
Lesson Plan 

[1]

Suggestions of question prompts to provide students as they use Play with Frogs, one of the Alive Maths microworlds.
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Rectangles and Squares Activit...

Irrational numbers (Math 7) 
Java Applet 
Lesson Plan 

[1]

Students investigate the attributes of squares and rectangles including length of side, area and perimeter using an interactive web page (technology) and also geoboards (manipulative). After working t...
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Number Worlds: Visual and expe...

Number sense (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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NumberWorlds

Number sense (Math 7) 
Java Applet 
Tool 

[1]

With this applet, students can investigate various properties of numbers including patterns of even, odd, square and prime numbers, as well as multiples and factors. There are also different "worlds" ...
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Tower of Hanoi

Writing powers (Math 7) 
Java Applet 
Tool 

[1]

The Tower of Hanoi puzzle was invented by the French mathematician Edouard Lucas in 1883. The goal is to move all the discs from the left peg to the right one. Try to move all the discs from one side...
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Play with Frogs

Number sense (Math 7) 
JavaScript 
Tool 

[1]

This is the Frogs microworld. Can you exchange sides with the other team of Frogs by jumping or sliding? Frogs provides a great way of getting acquainted with ideas in Algebra, Problem Solving, Reason...
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Million Dollar Mission

Exponents (Math 7) 
Spreadsheet 
Tool 

[1]

This is the famous "doubling pennies" problem. Students will study exponential growth. The activity is designed for students to work independently, or in groups with guidance from the teacher.
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Base Blocks

Base ten, place value (Math 7)+ 
Java Applet 
Tool 

[10]

Illustrate addition and subtraction in a variety of bases.
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Miranda and the Rookie

Number sense (Math 7) 
Spreadsheet 
Technology PoW 

[6]

Use a spreadsheet to compare salaries of the star basketball player and the rookie.
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Base Blocks Decimals

Base ten, place value (Math 7) 
Java Applet 
Tool 

[2]

Add and subtract decimal values using base blocks.
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Tower of Hanoi

Writing powers (Math 7) 
Java Applet 
Tool 

[2]

Solve the Tower of Hanoi problem with different levels and see an explanation of the recursion relationship involved.
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A Million Penny Project

Large numbers (Math 7) 
Spreadsheet 
Technology PoW 

[2]

Students use a spreadsheet to show when they will have collected their million pennies.
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Modular Arithmetic Lesson

Number sense (Math 7) 
Java Applet 
Activity 

[1]

Clock (or modular) arithmetic is arithmetic you do on a clock instead of a number line. Investigate arithmetic using a 12hour, 10hour, and 2hour clock.
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Pythagoras' Mystery Tablet Pro...

Irrational numbers (Math 7) 
Java Applet 
Activity 

[1]

Students use an applet to compute the area of a square based on its side length. They then use this information to determine whether it is possible to get exact side lengths for certain areas.
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Pythagoras' Mystery Tablet Tea...

Irrational numbers (Math 7) 
Java Applet 
Lesson Plan 

[1]

Links to NCTM Standards, related activities, lessons, and other Web resources to use with the Pythagoras' Mystery Tablet activity
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Rational Numbers Triangle

Rational numbers (Math 7) 
Java Applet 
Tool 

[1]

Explore a triangular array that contains every positive
rational number exactly once.
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Properties of Exponents

Exponents (Math 7) 
Flash 
Tool 

[4]

Flash tutorial introducing the properties of exponents: product of two powers, power of a power, power of a product, power of a quotient, and quotient of two powers (including adding and subtracting...
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Clock Arithmetic and Cryptogra...

Number sense (Math 7) 
Java Applet 
Lesson Plan 

[2]

The following discussions and activities are designed to lead the students to practice their basic arithmetic skills by learning about clock arithmetic (aka modular arithmetic) and cryptography.
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Graph of the US Income Distrib...

Large numbers (Math 7) 
JavaScript 
Tool 

[2]

Interact with a graph displaying family income across the population using a football field as the context. The height of the curve at any point is the height of a stack of $100 bills equaling that in...
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Colour Calculator Information ...

Number sense (Math 7) 
Computer 
Lesson Plan 

[1]

Suggestions of question prompts to provide students as they use Colour Calculator, one of the Alive Maths microworlds.
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Touch decimals Place value ±

Base ten, place value (Math 7)+ 
Android 
Tool 

[1]

This touch decimal app has a double interactive place value chart, with up to 40 decimal columns. It is a mathematical analogy with positive and negative tokens. It is designed to:

Pythagoras' Mystery Tablet

Irrational numbers (Math 7) 
Java Applet 
Tool 

[1]

Try typing different side lengths as fractions or as decimals. Watch how this affects the computed area of the square at the bottom. How close can you get to the area values on Pythagoras' Tablet?
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