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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Poly

Pyramids (Geometry) 
Computer 
Tool 

[5]

Poly is a shareware program for exploring and constructing polyhedra. With Poly, you can manipulate polyhedral solids on the computer in a variety of ways. Flattened versions (nets) of polyhedra may b...
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Pyramids

Pyramids (Geometry) 
JavaScript 
Tool 

[0]

The user reviews pyramids and the formula for finding its volume. After viewing examples, users can interactively test their understanding of the properties of pyramids.
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Small Stella

Pyramids (Geometry) 
Computer 
Tool 
$ 
[0]

Small Stella is the ideal entrylevel polyhedron program for schools or anyone interested in geometry, with hundreds of polyhedra provided. Print out the nets required to build your own paper model...
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Space Figures

Pyramids (Geometry) 
JavaScript 
Tool 

[1]

The user learns about threedimensional figures and the special names given to common space figures. After viewing examples of these figures, users can interactively test their understanding of the p...
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Stella4D

Pyramids (Geometry) 
Computer 
Tool 
$ 
[0]

Stella4D allows you to create and view 3D polyhedra and 4D polytopes. Hundreds provided (Platonic, Archimedean, KeplerPoinsot & all other uniform polyhedra, Johnson Solids, Stewart toroids, compo...
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iCrosss

Pyramids (Geometry) 
Mobile Device 
Tool 
$ 
[0]

iCrosss allows you to build a crosssection of each available polyhedra by your defined plane. The plane can be defined by three points (taps) on polyhedron faces. The application supports regular pol...
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iCrosss Lite

Pyramids (Geometry) 
Mobile Device 
Tool 

[0]

iCrosss Lite allows you to build a crosssection of each available polyhedra by your defined plane. The plane can be defined by three points (taps) on polyhedron faces. The application supports regula...
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Right Triangle Geometry

Pythagorean (Trigonometry) 
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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Pythagorean Trigonometric Iden...

Pythagorean (Trigonometry) 
Flash 
Support Material 

[0]

This minilesson introduces the concept of Pythagorean trigonometric identities.
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Pythagorean Theorem

Pythagorean (Trigonometry) 
Java Applet 
Tool 

[3]

This virtual manipulative allows you to walk through a visual proof of the Pythagorean theorem. Before beginning the proof, recall that the pythagorean theorem is: c^2 = a^2 + b^2
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A Dynamic Proof

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 

[0]

Students create a sketch in which a dramatic animation shows how the sum of the areas of two squares is equal to the area of the third square. The link to the activity itself is to a zip file tha...
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A Right Triangle with Squares

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 

[0]

Students make a square tool and use the tool to investigate the Pythagorean Theorem and its converse. The link to the activity itself is to a zip file that contains the activity in pdf format. ...
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Leonardo da Vinci's Proof

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 

[0]

Students use reflection and rotation to build a sketch that demonstrates a famous proof by Leonardo. The link to the activity itself is to a zip file that contains both the activity in pdf format ...
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Perpendicular Slopes

Pythagorean theorem (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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Pythagoras Plugged In: Proofs ...

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 
$ 
[0]

This book guides students through a variety of proofs and applications of the Pythagorean theorem. By constructing and dynamically manipulating figures, students visualize the theorem and gain insight...
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Pythagorean Theorem Lab

Pythagorean theorem (Geometry) 
Computer 
Activity 

[1]

Students do a "web excursion" exploring various proofs and the history of the Pythagorean Theorem.
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The Beach Race

Pythagorean theorem (Geometry) 
TINspire 
Activity 

[0]

In a beach race, contestants must swim to a point along the beach and then run to reach the ﬁnish line. Where should I aim to land on the beach so as to minimize my total time for the race? Stu...
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The Pythagorean Theorem

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 

[0]

Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. These demonstrations are based on proofs by Bhaskara...
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The Pythagorean Theoremand M...

Pythagorean theorem (Geometry) 
TINspire 
Activity 

[0]

In this activity, students construct a triangle and ﬁnd all angle and side measures. They practice dragging the vertices to form certain types of triangles, and then they conﬁrm the Pyth...
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Visual Demonstration of the Py...

Pythagorean theorem (Geometry) 
Sketchpad 
Activity 

[0]

Students do a visual demonstration of the Pythagorean theorem based on Euclid’s proof. By shearing the squares on the sides of a right triangle, they create congruent shapes without changing...
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Lesson Plan 

[0]

Learn how the Pythagorean Theorem works and how to apply it.
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The Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Lesson Plan 

[0]

This lesson provides directions for teaching about the Pythagorean Theorem using Geometer's Sketchpad.
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Distance Formula (Geometry)

Pythagorean theorem (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to use the Pythagorean Theorem to find the distance between two points in the plane.
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Java Applet 
Support Material 

[1]

Read explanations of fortythree proofs of the Pythagorean theorem. Some of the proofs have additional pages with applets to explore.
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Pythagorean Theorem

Pythagorean theorem (Geometry) 
Computer 
Support Material 

[1]

Discussion of exposition, history, and proof of Pythagorean Theorem
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