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Topic (Course) 
Technology 
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Points in the Coordinate Plane

Coordinate geometry (Geometry) 
Cabri Jr. 
Activity 

[0]

In this activity students use the Cabri Jr. application to explore the coordinate system.
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Animated Helicopter

Cartesian plane (Geometry) 
Computer 
Activity 

[0]

An Logoanimated helicopter can be used to investigate the concepts of variables, and of reflections and y as a function of x on the coordinate grid. The first Logo animation of a helicopter flying ba...
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Stressed Out: Slope as Rate of...

Slope (Geometry) 
Computer 
Activity 

[1]

Several activities are provided that lead you to discover the properties of the slope of a line.
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Area and perimeter of a rectan...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page showing how to find the area and perimeter of a rectangle
from the coordinates of its vertices. The rectangle can be either parallel to the axes o...
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Area and perimeter of a square...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page showing how to find the area and perimeter of a square
from the coordinates of its vertices. The square can be either parallel to the axes or rota...
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Area and perimeter of a trapez...

Coordinate geometry (Geometry) 
Flash 
Activity 

[2]

An interactive applet and associated web page showing how to find the area and perimeter of a trapezoid
from the coordinates of its vertices. The trapezoid can be either parallel to the axes o...
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Definition and properties of a...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a square
when applied in coordinate geometry.
The applet has a square, and the user can drag any vertex ...
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Definition and properties of a...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a rectangle in coordinate geometry.
The applet has a rectangle with draggable vertices. As the user res...
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Definition and properties of a...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of a trapezoid in coordinate geometry.
The applet has a trapezoid with draggable vertices. As the user res...
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Definition and properties of a...

Slope (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...

Slope (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...

Distance formula (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...

Distance formula (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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The bounding box (Coordinate ...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that show the definition and properties of the bounding box of a polygon or set of points. Also known as the circumscribed rectangle.
The bounding b...
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Traingle area, box method (Coo...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that calculate the area of a triangle using the box method in coordinate geometry.
The applet has a triangle with draggable vertices. As you drag t...
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Triangle area, formula (Coordi...

Coordinate geometry (Geometry) 
Flash 
Activity 

[0]

An interactive applet and associated web page that calculate the area of a triangle using the formula method in coordinate geometry.
The applet has a triangle with draggable vertices. As you dr...
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Graphing Points in the Plane

Coordinate geometry (Geometry) 
Java Applet 
Activity 

[0]

Instructions illustrating how to graph points in the plane.
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Introduction to Cartesian Coor...

Coordinate geometry (Geometry)+ 
Java Applet 
Activity 

[1]

A quick review of the Cartesian Coordinate system, including formulas for length and slope of a line segment. It also provides and introduction to the graphing applet used in this lab and others.
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Equations of Lines

Slope (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 ...

Equations of a 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

Equations of a line (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration, using Geometer's Sketchpad, of the standard form of a linear equation.
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Perpendicular Slopes

Coordinate geometry (Geometry) 
TINspire 
Activity 

[0]

In this activity, students investigate the “negative reciprocal” relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as th...
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What's My Rule?

Cartesian plane (Geometry) 
TINspire 
Activity 

[0]

This activity encourages students to gain experience with the language of the Cartesian coordinate system. Each of the problems shows two points, z and w. Point z can be dragged, and point w moves in ...
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Graphing and the Coordinate Pl...

Cartesian plane (Geometry) 
Calculator 
Lesson Plan 

[0]

This lesson is designed to introduce students to graphing ordered pairs of numbers on the coordinate plane.
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Coordinate Pictures

Cartesian plane (Geometry) 
Computer 
Lesson Plan 

[0]

This activity is an enhancement to an age old activity of students drawing a "dottodot" picture using coordinates on a coordinate plane. In this case, however, students will design a picture of thei...
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