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Topic (Course) 
Technology 
Type 
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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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Pythagoras' Mystery Tablet

Irrational (Algebra) 
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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Pythagoras' Mystery Tablet Pro...

Irrational (Algebra) 
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 (Algebra) 
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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Rectangles and Squares Activit...

Irrational (Algebra) 
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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Algebra Definitions

Irrational (Algebra) 
JavaScript 
Tool 

[0]

The user reviews definitions of important algebra terms. After viewing further explanations and some examples, users can interactively test their understanding of the definitions of important algebra...
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