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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
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Construct a 90 deg angle with ...

Right (Geometry) 
Java Applet 
Activity 

[0]

An interactive applet and associated web page that show how to construct a 90° right angle with a compass and straightedge.
The animation can be singlestepped or run as a continuous movie.
<...
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PoolARama

Angles (Geometry) 
Java Applet 
Activity 

[0]

Place your bets on whether the pool ball will get into the pocket after choosing how to make your move.
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A Continuation of Minimum Peri...

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A further guided exploration of triangles inscribed within triangles, using Geometer's Sketchpad.
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A Minimum Perimeter Inscribed ...

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration about triangle inscribed within triangles, and the conditions under which their perimeter is at a minimum, using Geometer's Sketchpad.
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Angle Bisectors in a Triangle

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration of the angle bisectors of a triangle, and the point at which they intersect, using Geometer's Sketchpad.
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Exterior Angles in a Polygon

Exterior (Geometry) 
Sketchpad 
Activity 

[0]

Students construct a pentagon with its exterior angles, measure the angles and find the sum. They then dilate the pentagon to look at the problem, and understand their result, in a new way. The lin...
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Geometry Activities for Middle...

Angles (Geometry) 
Sketchpad 
Activity 
$ 
[0]

These activities provide students with the opportunity to explore geometric concepts such as symmetry, transformations, and even fractal geometry in a way no other teaching tool can. The dynamic ca...
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Simple Properties of Angle Bis...

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration using Geometer's Sketchpad of some properties of angle bisectors in a triangle.
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The Art Gallery Problem

Angles (Geometry) 
TINspire 
Activity 

[0]

The question of where patrons should stand to enjoy the best view of a painting is one that art gallery curators must consider on a regular basis. For this activity, we will consider a painting that i...
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Studying Angles using Logo

Angles (Geometry) 
Computer 
Lesson Plan 

[0]

A group of Logo procedures to investigate angles. Use these two ways: if time is short, use the procedures as they are to investigate angles with students. If there's more time, let students join in c...
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Angles

Angles (Geometry) 
Java Applet 
Lesson Plan 

[1]

The following lesson is designed to introduce students to acute, obtuse, and right angles. It is also designed to introduce students to vertical angles, adjacent angles, alternate interior angles and ...
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Angles and Angle Measurement

Angles (Geometry) 
Computer 
Support Material 

[1]

Defines angles and angle measurement through rotation.
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Angles and Angle Terms

Angles (Geometry) 
Computer 
Support Material 

[0]

Provides definitions and illustrations on angles and angle terms.
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Geometry, Section 1

Angles (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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Angle Bisectors and Perpendicu...

Bisectors (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to use the laws of logarithms discussed earlier for simplifying logarithmic equations and apply these for solving word problems.
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Interior and Exterior Angles o...

Exterior (Geometry)+ 
Flash 
Support Material 

[0]

This minilesson explains the properties and relationship of angles of polygons in general and particularly of interior and exterior angles of polygons.
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Points, Lines, and Planes (Ams...

Angles (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains points, lines, rays, angles, and types of angles.
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Angles Discussion

Angles (Geometry) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about angles.
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Soccer Problem

Angles (Geometry) 
Computer 
Tool 

[0]

A soccer player is on a breakaway, dribbling the ball downfield, parallel to a sideline. From where should she shoot to have the best chance of making a goal? That is, at what point will the angle for...
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Alphabet Geometry  Angles

Angles (Geometry)+ 
Flash 
Tool 

[0]

What can you learn about angles by looking at letters? Look at the letters V, K, and L and learn about acute, obtuse, and right angles. While there, take a look at the letter X and learn about verti...
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Angles Formed by Parallel Line...

Angles (Geometry) 
Flash 
Tool 

[0]

This demonstration tool shows how to use a protractor, and tests angle estimation skills.
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Pool Table

Angles (Geometry) 
Flash 
Tool 

[0]

Use this game to practice your angle visualizations, or to practice division with remainders, using the numbers on the balls.
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Radians

Angles (Geometry) 
Flash 
Tool 

[2]

Flashbased introduction to converting between degrees and radians. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their ...
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XP Math: Flip Card  Angle Typ...

Obtuse (Geometry)+ 
Flash 
Tool 

[0]

In this memory/matching game, students flip cards over in pairs, trying to match the description of an angle with a graphic representation of that angle.
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XP Math: Helicopter Shootdown ...

Angles (Geometry) 
Flash 
Tool 

[1]

In this game, students set the angle at which to fire, attempting to get "close enough" to the helicopter to shoot it down.
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