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Technology 
Type 
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Secants approaching vertical t...

Concept of the Derivative (Calculus) 
Java Applet 
Tool 

[0]

Secant lines approach a point where a function has a vertical tangent from the right and from the left. Shows the slope of each secant line.
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Secants through a point of non...

Concept of the Derivative (Calculus) 
Java Applet 
Tool 

[0]

Secant lines approach a point where a function is not differentiable from the right and from the left. Shows the slope of each secant line.
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Conditional Probability and Pr...

Conditional probability (Math 7)+ 
Java Applet 
Lesson Plan 

[0]

Introduces conditional probability and the probability of simultaneous events.
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Replacement and Probability

Conditional probability (Math 7)+ 
Java Applet 
Lesson Plan 

[1]

Extends the notion of conditional probability by discussing the effects of replacement on drawing multiple objects.
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Congruent Polygons  Math Open...

Congruence (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the congruence of polygons.
The applet presents nine polygons that are in fact congruent, but don't look it because they are reflec...
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Congruent Triangles

Congruence (Geometry) 
Java Applet 
Tool 

[1]

This page provides three applets that you manipulate in order to discover rotation, translation, and reflection. Then below are descriptions of sideangleside, anglesideangle, and sidesideside (...
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Congruent Triangles (1)

Congruence (Geometry) 
Java Applet 
Tool 

[1]

An applet is provided that helps you visualize the proofs to the problems given that deal with congruent triangles.
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Congruent Triangles (2)

Congruence (Geometry) 
Java Applet 
Tool 

[0]

An applet is provided that helps you visualize the proof to the problem given that deals with congruent triangles.
More: lessons, discussions, ratings, reviews,...

Congruent Triangles (3)

Congruence (Geometry) 
Java Applet 
Tool 

[0]

An applet is provided that helps you visualize the proofs to the problems given that deal with congruent triangles.
More: lessons, discussions, ratings, reviews,...

Congruent Triangles (4)

Congruence (Geometry) 
Java Applet 
Tool 

[0]

An applet is provided that helps you visualize the solution to the problem given that deals with congruent triangles.
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Euclid's Elements, Book I, Pro...

Congruence (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition deals with the congruence of two triangles if they two sides equal that contain one equal angle respectively then all other angles and sides of the two triangles are equal and the...
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Euclid's Elements, Book I, Pro...

Congruence (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that it is impossible for two different triangles to exist that have equal sides and share the same base (SideSideSide Congruence, SSS). The guide then examines the struc...
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Euclid's Elements, Book I, Pro...

Congruence (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition states that when two triangles have angleside angle or angleangleside (in that order) equality then the triangles are congruent. The guide then examines the structure of the ...
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Two Regular Triangles

Congruence (Geometry) 
Java Applet 
Tool 

[1]

This applet corresponds to a problem dealing with triangle congruence within 2 overlapping regular triangles.
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Two Squares  Finding Angles a...

Congruence (Geometry) 
Java Applet 
Tool 

[0]

This threepart problem deals with angles, triangles, and congruence within areas created by overlapping squares. It has a corresponding applet that helps you to visualize the solutions.
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What is Meant by Congruence?

Congruence (Geometry) 
Java Applet 
Tool 

[0]

This applet shows you what is meant by triangle congruence.
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Geoboard

Congruence and similarity (Geometry)+ 
Java Applet 
Tool 

[0]

Use geoboard to illustrate area, perimeter, and rational number concepts.
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Laboratory

Conic Sections (PreCalculus)+ 
Java Applet 
Tool 

[0]

When the sun moves around in the sky, the shadow cast by a vertical stick moves on the ground. The tip of the shadow traces some kind of curve. The curve depends on the observation point, and it also ...
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Conic Flyer

Conic sections (Algebra II)+ 
Java Applet 
Tool 

[3]

This activity allows the user to manipulate the graphs of the conic sections by changing the constants in their respective equations. The equation and variable values are displayed and change as the u...
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Conic Sections

Conic sections (Algebra II) 
Java Applet 
Tool 

[0]

This applet allows the user to vary parameters in the "generalized" conic equation, ax^2 + bxy + cy^2 + dx + ey + f = 0, as well as displace graphs. Instructions and some discussion included.
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Trace of Shadow

Conic sections (Algebra II)+ 
Java Applet 
Activity 

[0]

When the sun moves around in the sky, the shadow cast by a vertical stick moves on the ground. The tip of the shadow traces some kind of curve. The curve depends on the observation point, and it also ...
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4 Standard Types of Loci

Construction and loci (Geometry) 
Java Applet 
Tool 

[0]

This allows students to explore 4 loci problems with a JavaSketchpad sketch: from 1 fixed point, from 1 fixed line, from 2 fixed points, and from 2 fixed lines. The students can manipulate the drawin...
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Constructing the Perpendicular...

Construction and loci (Geometry)+ 
Java Applet 
Tool 

[0]

Students can learn how to construct the perpendicular bisector of a line segment. The applet asks students a few exploration questions to think about and try to discover through further experimentati...
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Other Types of Loci

Construction and loci (Geometry) 
Java Applet 
Tool 

[0]

This JavaSketchpad sketch allows students to explore 3 loci problems:

Continuity

Continuity (Calculus) 
Java Applet 
Tool 

[0]

Experiment with the epsilondelta definition of continuity: choose epsilon, then try to find an appropriate value for delta.
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