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Topic (Course) 
Technology 
Type 
$? 
Rating 

Measure It!

Length/height (Math 3)+ 
JavaScript 
Tool 

[2]

The user is shown a ruler with a red bar above it. The task is to determine the length of the red bar and choose the correct answer from the four choices given. Users can choose the level of difficult...
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Measures

Length/height (Math 3)+ 
Flash 
Tool 

[0]

This activity is intended to help students consolidate their understanding of different measures. The units of measurement used in the activity are: litres, millilitres, kilometres, metres, centimetre...
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Stretching Ruler

Length/height (Math 3)+ 
Sketchpad 
Tool 

[0]

This set of activities introduces students to mathematical foundations of measurement, and especially to the concept of the unit of measurement. Students create their own rulers to measure different o...
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Investigating the Height of a ...

Length/height (Math 6)+ 
Excel 
Activity 

[0]

How do you get started at mathematical modeling? Here is an easy, quick, and engaging activity and a “just add data” interactive Excel spreadsheet to accomplish that first modeling task. The task ...
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Investigating the Height of a ...

Length/height (Math 6)+ 
Excel 
Tool 

[0]

How do you get started at mathematical modeling? Here is an easy, quick, and engaging activity and a “just add data” interactive Excel spreadsheet to accomplish that first modeling task. The task ...
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Limits of Functions: Quiz

Limits of functions (Calculus) 
Computer 
Activity 

[0]

Quiz (with answers) on limits of functions at particular points.
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Principles of Calculus Modelin...

Limits of functions (Calculus) 
Computer 
Activity 

[0]

Exercises on limits of functions at particular points (PDF).
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Generating Tables to Demonstra...

Limits of functions (Calculus) 
Java Applet 
Tool 

[0]

Creates tables of values of a function f(x) near x=c.
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Limit sin x / x

Limits of functions (Calculus)+ 
Java Applet 
Tool 

[0]

Change the length of one side of a triangle to investigate the limit of sin(x)/x as x goes to 0.
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Limits of Functions

Limits of functions (Calculus) 
Java Applet 
Tool 

[0]

Does this function have a limit at every point? Approach a discontinuity from the right or the left.
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Limits of Functions

Limits of functions (Calculus) 
Computer 
Tool 

[0]

RealMedia videos of worked problems on the limits of various functions.
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Limits: A Formal View

Limits of functions (Calculus)+ 
Java Applet 
Tool 

[0]

A Java applet that presents the formal, epsilon/delta definition of limits, with exercises and questions to answer with the applet. Includes a rescalable presentation version with larger fonts.
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Visualization of limits

Limits of functions (Calculus)+ 
Java Applet 
Tool 

[0]

Compare the behavior of several different functions near the origin.
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limit (e^x1)/x

Limits of functions (Calculus)+ 
Java Applet 
Tool 

[0]

Use polar coordinates to find the limit as x goes to 0 of (e^x1)/x.
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limit log(x+1)/x

Limits of functions (Calculus)+ 
Java Applet 
Tool 

[0]

Use polar coordinates to visualize the limit of log(x+1)/x as x goes to 0.
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Definition and properties of a...

Line (Geometry)+ 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition of a horizontal line in coordinate geometry.
The applet has two points that the user can drag which define a line.
The lin...
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Definition and properties of a...

Line (Geometry)+ 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition of a vertical line in coordinate geometry.
The applet has two points that the user can drag which define a line.
The line ...
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Equations of Lines

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of a line on the coordinate plane, and its slope.
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Intercepts of Lines and their ...

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of lines on the coordinate plane, and the relation of intercepts to linear equations.
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Standard Equation of a Line

Line (Geometry)+ 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of the standard form of a linear equation.
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Euclid's Elements, Book 5, Def...

Line (Geometry) 
Java Applet 
Support Material 

[0]

Provides Euclid's definition outlining how magnitudes can have a ratio which can be multiplied. The guide then examines the structure of the definition. The To reset the applet, press "r" while your...
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Euclid's Elements, Book 5, Def...

Line (Geometry) 
Java Applet 
Support Material 

[0]

Provides Euclid's defition outlining how magnitudes can be organized by ratio order (greater or less than). The guide then examines the structure of the defintion. The To reset the applet, press "r"...
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Euclid's Elements, Book I, Def...

Line (Geometry) 
Computer 
Support Material 

[1]

Gives Euclid's original definition that the ends of a line are points and then examines the definition's validity and durability.
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Euclid's Elements, Book I, Def...

Line (Geometry) 
Computer 
Support Material 

[2]

Gives Euclid's original definition of a straight line and then examines the definition's validity and durability.
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Euclid's Elements, Book I, Def...

Line (Geometry)+ 
Computer 
Support Material 

[0]

Gives Euclid's original definition that edges of a surface are lines and then examines the definition's validity and durability.
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