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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Graphical Introduction to Limi...

Proving limits (Calculus) 
Flash 
Tool 

[0]

Animated proof that the function f(x) = 1/(x2) does not have a limit at x=2.
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Limit Theorems

Proving limits (Calculus) 
Flash 
Tool 

[0]

A collection of animated explanations of various theorems about limits of functions.
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Limits with Delta and Epsilon

Proving limits (Calculus) 
Sketchpad 
Tool 

[0]

This activity builds on the previous activity, Limits with Tables. Students investigate limits using tools for controlling delta and epsilon, giving them a concrete, handson understanding of the form...
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Limits: A Formal View

Proving limits (Calculus) 
Java Applet 
Tool 

[0]

A Java applet that presents the formal, epsilon/delta definition of limits, with exercises and questions to answer with the applet. Includes a rescalable presentation version with larger fonts.
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Sequencer

Proving limits (Calculus) 
Java Applet 
Tool 

[0]

Draws the terms of a sequence in a bar graph to show whether the sequence converges to a given limit. You can enter your own sequence and change the values of n.
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An Introduction to Cabri 3D

Pyramids (Geometry) 
Cabri 
Activity 

[0]

This introduction is based on a workshop given by Eric Bainville at CabriWorld 2004. The first part introduces a few important features of Cabri 3D. This is followed by activities involving constructi...
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Getting Started in Cabri 3D

Pyramids (Geometry) 
Cabri 
Support Material 

[0]

Three video movie tutorials to give new users an introduction to using Cabri 3D as a teaching tool including:
 how to construct and label points
 construct lines and their intersections...
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A Plethora of Polyhedra

Pyramids (Geometry) 
Java Applet 
Tool 

[4]

This is a free JAVA applet that helps users to study spatial geometry in a dynamic and interactive way. Using it, the user can rotate, zoom out, zoom in and translate a plethora of polyhedra. Moreover...
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Cabri 3D

Pyramids (Geometry) 
Cabri 
Tool 
$ 
[0]

Cabri 3D is interactive solid geometry software based on 3rd generation Cabri technology. It enables users to build and manipulate figures in 3D. It is entirely designed and developed by Cabrilog, and...
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Great Stella

Pyramids (Geometry) 
Computer 
Tool 
$ 
[0]

Great Stella allows you to view 3D polyhedra. Hundreds provided (Platonic, Archimedean, KeplerPoinsot & all other uniform polyhedra, Johnson Solids, Stewart toroids, compounds, geodesics, etc.). R...
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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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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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