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Topic (Course) 
Technology 
Type 
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Rating 

Mirror Tool

Symmetry (Math 1)+ 
Java Applet 
Tool 

[0]

This Java applet helps users investigate symmetry. Mirrors can be used to create reflection symmetry.
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Symmetry Sort

Symmetry (Math 1)+ 
Flash 
Tool 

[0]

How many lines of symmetry does a square have? Find out this and more in this symmetry sorting activity. Available as a bounce back demo or without bounce back for assessment.
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Regular Tessellations

Symmetry (Math 3)+ 
Java Applet 
Activity 

[1]

Students understand why equilateral triangles, squares, and regular hexagons tessellate regularly in the Euclidean plane.
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Investigating Tessellations Us...

Symmetry (Math 3)+ 
Java Applet 
Lesson Plan 

[0]

Students create tessellations using triangles, squares, trapezoids, hexagons, and parallelograms.
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Regular Tessellations

Symmetry (Math 3)+ 
Java Applet 
Lesson Plan 

[0]

A middle school lesson to help students understand why equilateral triangles, squares, and regular hexagons tessellate regularly in the Euclidean plane. In addition to alignment to NCTM Standards and ...
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RooBooGoo

Symmetry (Math 3)+ 
Sketchpad 
Tool 

[0]

The idea of this activity is to introduce students to some of the basic transformational behaviors. The emphasis is less on properties than on relationships between objects that have been reflected, r...
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Tessellation Tool

Symmetry (Math 3)+ 
Java Applet 
Tool 

[1]

This tool allows you to build tessellations and other designs by attaching the corners of various shapes to one another. To make a tessellation, you need to create an arrangement of repeating shapes w...
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Funhouse Mirrors

Symmetry (Math 4)+ 
Sketchpad 
Tool 

[0]

A Geometer's Sketchpad tool for constructing distorted images that can be viewed undistorted with a cylindrical mirror. The file contains tabbed pages with several images, a grid for students to draw...
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Pentomino puzzles

Symmetry (Math 4)+ 
JavaScript 
Tool 

[0]

Rotate pentominoes to tile an 8×8 grid. This JavaScriptpowered online puzzle lets you select from a variety of decorative patterns and graphic designs.
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Tess

Symmetry (Math 4)+ 
Computer 
Tool 

[1]

A shareware program for creating symmetric planar illustrations. With Tess, while you draw you can automatically maintain the symmetry group you have chosen; 11 rosette, all 7 frieze, and all 17 wallp...
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Four Types of Symmetry in the ...

Symmetry (Math 5)+ 
Java Applet 
Support Material 

[0]

An overview of rotation, translation, reflection, and glide reflection including diagrams illustrating the four symmetries and questions that could be used with students.
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Symmetry in Tessellations Dial...

Symmetry (Math 5)+ 
Java Applet 
Support Material 

[0]

Defines symmetry and demonstrates different types of plane symmetry.
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KaleidoTile

Symmetry (Math 5)+ 
Computer 
Tool 

[1]

Explore tessellations of the sphere, Euclidean plane, and hyperbolic plane while creating colorful works of art. Decorate your tessellation with your own favorite images, or select images from the ...
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Reflection and Rotation Symmet...

Symmetry (Math 6)+ 
Sketchpad 
Activity 

[2]

Students test a variety of figures for symmetry by actually constructing reflections and rotations. The link to the tool itself is to a zip file that contains both the activity in pdf format and t...
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Relationships Between Reflecti...

Symmetry (Math 6)+ 
Java Applet 
Activity 

[1]

Users will learn the properties of designs that have bilateral symmetry in this activity.
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Tilings and Symmetry

Symmetry (Math 6)+ 
Computer 
Activity 

[0]

A set of questions for small group investigation on tilings and symmetry using the software KaleidoTile.
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Reflection and Rotation Symmet...

Symmetry (Math 6)+ 
Sketchpad 
Tool 

[0]

Students test a variety of figures for symmetry by actually constructing reflections and rotations. The link to the tool itself is to a zip file that contains both the sketch and a pdf file of the...
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Relating Rotations to Symmetry

Symmetry (Math 6)+ 
Java Applet 
Tool 

[0]

Students will investigate the relationship between rotations and the symmetry they recognize in a figure or a design in this activity.
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Symmetries and Their Propertie...

Symmetry (Math 6)+ 
Java Applet 
Tool 

[0]

Users will learn about glide reflection—a symmetry transformation that is made up of two other symmetry transformations, a translation and a reflection with this activity.
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Wallpaper

Symmetry (Math 6)+ 
PowerPoint 
Tool 

[1]

This PowerPoint file displays questions about symmetry; answers guide the user to one of 17 symmetry classifications for tessellations or wallpaper patterns. Support materials include handson tessel...
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Tessellations: Geometry and Sy...

Symmetry (Math 7)+ 
Java Applet 
Lesson Plan 

[0]

Examines plane symmetry.
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Frieze Patterns

Symmetry (Math 7)+ 
Sketchpad 
Tool 

[0]

This is a starter sketch for use with the activity, "Constructing the Seven Frieze Patterns."
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What Is Meant By Reflectional ...

Symmetry (Math 7)+ 
Java Applet 
Tool 

[0]

This applet illustrates what is meant by reflectional symmetry.
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Principles of Calculus Modelin...

Tangent line (Calculus) 
Computer 
Activity 

[0]

Exercises on the slopes of tangent lines to functions.
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Tangent Lines and Their Slopes...

Tangent line (Calculus) 
Computer 
Activity 

[0]

A quiz (with answers) on the slopes of tangent lines to functions.
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