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Topic (Course) 
Technology 
Type 
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Right Triangle Geometry

Right (Geometry) 
Java Applet 
Activity 

[2]

This eModule presents realworld problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
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Types of Triangles

Right (Geometry) 
Java Applet 
Activity 

[1]

This activity is available in Word, PDF, or HTML format and at two different levels (an introduction to types of triangles, and a more advanced version). Students use a GSP sketch or interactive web ...
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Right Triangle Geometry

Right (Geometry) 
Java Applet 
Lesson Plan 

[0]

This eModule presents realworld problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
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Touch Pythagoras

Right (Geometry) 
Android 
Tool 

[0]

With this app the Pythagorean Theorem is interactive. You can change the lengths of the legs (dragging), the length of the hypotenuse with two fingers and zoom (pinch zoom) and rotate the figure (dra...
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Geometria

Right (Geometry) 
Computer 
Tool 

[0]

Geometria is free (GPL) crossplatform software based on a tworole (teacher, student) model. The teacher creates a problem, provides it with an answer and saves the problem in a file. The student ope...
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30  60  90 Triangles  Math ...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a 306090 triangle.
The applet shows a right triangle that can be resized by dragging any vertex.
As it is drag...
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3:4:5 Triangles  Math Open Re...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a 3:4:5 triangle  one of the Pythagorean triples.
The applet shows a right triangle that can be resized by draggin...
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454590 Triangles  Math Open...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the properties of a 454590 isosceles right triangle.
The applet shows a right triangle that can be resized by dragging any vertex. ...
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Congruent Right Triangles  HL...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that shows how right triangles that have
the hypotenuse and one other leg the same length must be congruent.
The applet shows two right triangles, ...
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Constructing Right Triangles

Right (Geometry) 
Java Applet 
Tool 

[0]

Provides two applets that demonstrate how to construct right triangles with different sets of given information
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Euclid's Elements, Book I, Def...

Right (Geometry) 
Java Applet 
Tool 

[0]

Gives Euclid's original definitions of an equilateral, isosceles, scalene, rightangled, obtuseangled, and acuteangled triangle and then examines the definitions' validity and durability. To reset t...
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Euclid's Elements, Book I, Pos...

Right (Geometry) 
Java Applet 
Tool 

[0]

Presents Euclid's postulate that all right angles and equal and examines its precision. To reset the applet, press "r" while your cursor is over the diagram.
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Pythagoras Theorem

Right (Geometry) 
Java Applet 
Tool 

[0]

Interactive proof of Pythagorean theorem (Euclid's proof) using geometric transformations.
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Pythagoras' Theorem  Math Ope...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that illustrate Pythagoras' Theorem. The applet shows a right triangle that can be resized by dragging any vertex.
As it is being dragged the formula...
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Triangle Classification

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive Java Illustration for classification of triangles. The types displayed are scalene, acute, obtuse, right, isosceles, and equilateral.
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Triangle Classification Game

Right (Geometry) 
Java Applet 
Tool 

[1]

In this activity the interactivity attempts to train the user in the classification of triangles with respect to sides and internal angles. The user should move the vertices of a triangle on a square ...
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Types of Triangles

Right (Geometry) 
Java Applet 
Tool 

[4]

This JavaSketchpad applet accompanies the tPoW, Types of Triangles. Students are able to drag and manipulate four triangles and by noticing what happens they classify the triangles as either scalene, ...
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Types of Triangles (Acute, Obt...

Right (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the three types of triangle: acute, obtuse and right.
The applet shows a triangle that is initially acute (all angles less t...
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Triangles

Right (Geometry) 
JavaScript 
Tool 

[0]

The user reviews different classifications of triangles by their sides and angles. After viewing examples, users can interactively practice matching different triangles with their correct classificat...
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Panda Geometry Problem  the ...

Right (Geometry) 
Shockwave 
Tool 

[0]

The 3D animated video helps students understand the wordings in a geometry problem. Although the video shows the traditional way to solve the problem, a novel way video only requires free log in. It ...
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Types of Triangles

Right (Geometry) 
Sketchpad 
Tool 

[0]

This Sketchpad sketch accompanies the tPoW, Types of Triangles. Students are able to drag and manipulate four triangles and by noticing what happens they classify the triangles as either scalene, isos...
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Tipos de Triángulos

Right (Geometry) 
Sketchpad 
Technology PoW 

[0]

Los estudiantes utilizan un dibujo de GSP o una página interactiva de la red para arrastrar y manipular cuatro triángulos: uno isósceles, uno agudo, uno equiángulo, y otro recto.
versión ...
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Types of Triangles

Right (Geometry) 
Sketchpad 
Technology PoW 

[3]

Students use a GSP sketch or an interactive web page to drag and manipulate four triangles. They identify one of each type: scalene, isosceles, equilateral, and right.
NOTE: A free...
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