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Topic (Course) 
Technology 
Type 
$? 
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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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Distance from a point to a lin...

Line (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that demonstrate how to find the perpendicular
distance between a point and a line.
The applet has a line with sliders that adjust its slope and in...
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Distance from a point to a lin...

Line (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that demonstrate how to find the perpendicular
distance between a point and a line using trigonometry, given the coordinates of the point and the sl...
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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 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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Geometry, Section 1

Line (Geometry) 
Computer 
Support Material 

[0]

A collection of illustrated concepts, including problems for students to work out, and standalone word problems. Includes automated feedback. Pre and posttests, answer sheets, additional help, tools...
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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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Distance from a point to horiz...

Line (Geometry) 
Calculator 
Tool 

[0]

An interactive applet and associated web page that demonstrate how to find the perpendicular
distance between a point and a line that is either vertical or horizontal,
given the coordinates of...
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Euler line  Math Open Referen...

Line (Geometry) 
Computer 
Tool 

[0]

An interactive applet and associated web page that describe the Euler line. It shows a triangle whose vertices can be dragged.
As you drag them, the centroid, circumcenter and orthocenter mov...
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Bisection Lesson and Virtual M...

Line (Geometry) 
Flash 
Tool 

[0]

Bisection lesson includes visuals and audio narration. The activity also includes an interactive applet and question set for basic assessment.
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Bottomless Worksheet of Length...

Line (Geometry) 
Flash 
Tool 

[0]

This Flash program gives students endless practice on calculating the length of a line segment bounded by two points. It randomly generates ten sets of points and the corresponding answer sheets on sc...
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Bottomless Worksheet of Midpoi...

Line (Geometry) 
Flash 
Tool 

[1]

This Flash program gives students endless practice on finding the midpoint of a line segment bounded by two points. It randomly generates ten sets of points and an answer key, which you can print out ...
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Intercept of a line (Coordinat...

Line (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that demonstrate the intercept (b) of a line.
The applet has two points that define a line. As the user drags either point it continuously
recalcu...
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Intersection of two straight l...

Line (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that show how to find the intersection of two straight lines, given the equation for each.
The applet sows two lines defined by two pairs draggable ...
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Line Segment (Coordinate Geome...

Line (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that show the definition of a line segment in coordinate geometry.
The applet has two points that the user can drag.
The two points define a line...
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Line definition (Coordinate Ge...

Line (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that show the definition of a line in coordinate geometry.
The applet has two points that the user can drag.
The two points define a line, and th...
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Ray definition (Coordinate Geo...

Line (Geometry) 
Flash 
Tool 

[0]

An interactive applet and associated web page that show the definition of a ray in coordinate geometry.
The applet has two points that the user can drag.
The two points define a ray, one of t...
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Congruent Lines  Math Open Re...

Line (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate congruent line segments (segments that are the same length).
The applet shows three line segments that are the same length. They al...
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Copying a Line Segment Using C...

Line (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to copy
a line segment
using only a compass and straightedge.
The animation can be run ...
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