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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Angles of a Triangle

Triangles (Math 7) 
Cabri Jr. 
Activity 

[0]

Students measure the interior and exterior angles of a triangle and find their relationships.
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Interior Angle Theorem

Triangles (Math 7) 
Cabri Jr. 
Activity 

[0]

This activity is designed to help students discover the Interior Angle Theorem: The sum of the measures of the interior angles of a triangle is 180°.
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Right Triangle Geometry

Triangles (Math 7) 
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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Triangle Geometry

Triangles (Math 7) 
Java Applet 
Activity 

[1]

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

Triangles (Math 7) 
Java Applet 
Activity 

[2]

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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Constellations

Triangles (Math 7) 
Sketchpad 
Activity 

[0]

The task requires students to classify triangles according to angle and side properties. Students use Geometer's Sketchpad to manipulate triangles to see that constructed triangles have imposed...
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Constructions of Equilateral a...

Triangles (Math 7) 
Sketchpad 
Activity 

[0]

Students will discuss the difference between drawing and constructing a triangle using The Geometer’s Sketchpad. They will further develop constructions for both isosceles and equilateral triangles. ...
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Exploring Characteristics of T...

Triangles (Math 7) 
Sketchpad 
Activity 

[0]

Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. In the extension activities, the students further explore and generalize a fo...
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Exploring Types of Triangles

Triangles (Math 7) 
Sketchpad 
Activity 

[0]

Students explore various triangle properties, such as scalene, isosceles, equilateral, acute, right, and obtuse. The link to the tool itself is to a zip file that contains both the activity in pdf ...
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Shape Makers: Developing Geome...

Triangles (Math 7) 
Sketchpad 
Activity 
$ 
[0]

Author Michael Battista has built what he calls the Shape Makers computer microworld, a series of explorations in which students develop dynamic mental models for thinking about geometric shapes an...
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Right Triangle Geometry

Triangles (Math 7) 
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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Triangle Geometry

Triangles (Math 7) 
Java Applet 
Lesson Plan 

[1]

This eModule presents realworld problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...
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Geometry, Section 1

Triangles (Math 7) 
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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Geometry, Section 2

Triangles (Math 7) 
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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Touch Pythagoras

Triangles (Math 7) 
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

Triangles (Math 7) 
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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Area of a Triangle

Triangles (Math 7) 
Flash 
Tool 

[1]

Flashbased introduction to finding the area of a triangle, given the base and height. College Cram charges access fees by the month or by the semester for most resources. To get a preview of thei...
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Congruent Triangles

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This manipulative allows you to construct two triangles from various combinations of sides and angles. You can choose to work with any one of four different cases: SSS, SAS, ASA, and SSA
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Construct an Equilateral Trian...

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This applet tests your knowledge of the properties of an equilateral triangle by having you construct one based on your knowledge.
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Folding Tape

Triangles (Math 7) 
Java Applet 
Tool 

[1]

This applet demonstrates a problem that tests your knowledge of the properties of different types of triangles. Can you recognize what type of triangle is created?
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Identify These Triangles

Triangles (Math 7) 
Java Applet 
Tool 

[1]

This applet asks you to determine the types of triangles illustrated.
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Squaring the Triangle

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This applet allows users to explore right triangles and the Pythagorean Theorem. The applet can also be used to explore the angle measurements of triangles.
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The Angles in a Triangle

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This applet has you discover an important properties about the sum of the angles in a triangle.
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The Area of a Triangle

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This applet demonstrates the source of the area formula for the triangle.
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The Sum of Three Angles of a T...

Triangles (Math 7) 
Java Applet 
Tool 

[0]

This applet demonstrates a property of the sum of the three angles of a triangle. In order to get the point, be sure to drag the triangle over so that the left corner of the new triangle touches the t...
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