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Topic (Course) 
Technology 
Type 
$? 
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3D Visualization Activity: St...

Regular polyhedra (Geometry)+ 
Java Applet 
Activity 

[2]

Student handouts for critical thinking activity to accompany National Library of Virtual Manipulatives' Platonic Solids and Platonic Solids: Slicing applets. (view "Tool" links below)
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Aggregation: Growing Fractal S...

Fractals (Geometry) 
Java Applet 
Activity 

[0]

Students investigate the models by which fractal patterns aggregate. Several questions are posed and different activities are suggested to go along with the DiffusionLimited Aggregation applet.
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Comparing Measures with the Pr...

Perimeter, area, and volume (Geometry) 
Java Applet 
Activity 

[0]

In these activities, you’ll predict and compare various dimensions of objects on a theatre stage, using the Proportioner tool.
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Construct a 90 deg angle with ...

Right (Geometry)+ 
Java Applet 
Activity 

[0]

An interactive applet and associated web page that show how to construct a 90° right angle with a compass and straightedge.
The animation can be singlestepped or run as a continuous movie.
<...
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Exploring Volume with Virtual ...

Prisms (Geometry)+ 
Java Applet 
Activity 

[0]

This lesson was originally created for grade 5 math students in my building, but it is very suitable for grades 68. The lesson guides students to explore an applet by NCTM Illuminations. In the lesso...
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Fractals: Koch Snowflake

Fractals (Geometry) 
Java Applet 
Activity 

[1]

This activity shows how to make the Koch Snowflake fractal handson, stepbystep by using triangle grid paper which is provided.
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Fractals: Sierpinski Triangle

Fractals (Geometry) 
Java Applet 
Activity 

[1]

This activity shows how to make a Sierpinski Triangle handson, stepbystep by using triangle grid paper which is provided.
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Geometric Transformations

Transformations and symmetry (Geometry) 
Java Applet 
Activity 

[1]

These guided, interactive activities use figures, interactive diagrams, pattern blocks, geoboards, graphs, programmable turtles, and coordinate systems to help students learn what it means to perform ...
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Graphing Points in the Plane

Coordinate geometry (Geometry) 
Java Applet 
Activity 

[0]

Instructions illustrating how to graph points in the plane.
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I Took a Trip on a Train

Modeling and applications (Geometry) 
Java Applet 
Activity 

[2]

Visualization activitygiven a map and different photos, identify location of photographer.
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Introduction to Cartesian Coor...

Coordinate geometry (Geometry)+ 
Java Applet 
Activity 

[1]

A quick review of the Cartesian Coordinate system, including formulas for length and slope of a line segment. It also provides and introduction to the graphing applet used in this lab and others.
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Lunes and Triangles in Spheric...

General (Geometry)+ 
Java Applet 
Activity 

[1]

This activity (with builtin java sketchpad applets) guides students through areas of lunes and triangles in spherical geometry, concluding with an exploration about
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Math Insight  Digging Dirt

Prisms (Geometry)+ 
Java Applet 
Activity 

[0]

An application problem that asks students to help an excavation company prepare a bid for one of their clients by calculating what they should charge to dig a hole. To solve the problem students must ...
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PoolARama

Angles (Geometry) 
Java Applet 
Activity 

[0]

Place your bets on whether the pool ball will get into the pocket after choosing how to make your move.
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Relationships Between Reflecti...

Reflection (Geometry) 
Java Applet 
Activity 

[1]

Users will learn the properties of designs that have bilateral symmetry in this activity.
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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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Triangle Geometry

Obtuse (Geometry)+ 
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

Isosceles (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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Parallel Lines and Transversal...

Perpendicular and parallel lines (Geometry) 
PowerPoint 
Activity 

[0]

This PowerPoint show includes definitions, graphics, sound, and links to help introduce parallel lines and transversals. There is a student worksheet that accompanies the lesson to help the students s...
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Parallel Lines and Transversal...

Perpendicular and parallel lines (Geometry) 
PowerPoint 
Activity 

[0]

Student worksheet to accompany Parallel Lines and Transversals PowerPoint document (see resource connection below)
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A "Possibly New Theorem"

Triangles (Geometry)+ 
Sketchpad 
Activity 

[0]

This guided exploration, using Geometer's Sketchpad, leads students to notice what John Conway saw in this triangle construction.
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A Continuation of Minimum Peri...

Bisectors (Geometry)+ 
Sketchpad 
Activity 

[0]

A further guided exploration of triangles inscribed within triangles, using Geometer's Sketchpad.
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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 Japanese Temple Problem

Circles (Geometry)+ 
Sketchpad 
Activity 

[0]

In this guided Geometer's Sketchpad exploration, students use their knowledge of tangent circles to discover a relationship between the radii of three circles which are mutually tangent to each other ...
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A Min/Max Problem

Triangles (Geometry) 
Sketchpad 
Activity 

[1]

A guided exploration, using Geometer's Sketchpad, of the area of a triangle formed between two fixed rays, using a third ray with a movable end point.
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