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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
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Composing Reflections

Reflection (Geometry) 
Java Applet 
Tool 

[0]

Users can examine the result of reflecting a shape successively through two different lines.
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Composing Transformations

Reflection (Geometry)+ 
Java Applet 
Tool 

[1]

The users are challenged to compose equivalent transformations in two different ways.
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Congruent Triangles

Transformations and symmetry (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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Describing Reflections

Reflection (Geometry) 
Java Applet 
Tool 

[0]

Interacting with the JavaSketchpad applets helps the user understand how reflections work and what happens when two or more reflections are applied one after the other.
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Describing Rotations

Rotation (Geometry) 
Java Applet 
Tool 

[0]

Students will think about how to describe rotations of a figure and then have the opportunity to investigate the effect of rotations through different angles and on different shapes.
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Enlargement of Figures

Dilation (Geometry) 
Java Applet 
Tool 

[1]

This applet demonstrates how transformation along lines through an origin is used to enlarge a figure.
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Finding What Doesn't Change

Rotation (Geometry) 
Java Applet 
Tool 

[0]

Students will predict the effect of a rotation through a given angle and even the effect of two or more rotations performed one after the other and find angles that leave a figure unchanged.
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Floor Tiles

Tessellations (Geometry) 
Java Applet 
Tool 

[1]

This activity allows the user to create a figure that can be tessellated.
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Geoboard

Transformations and symmetry (Geometry) 
Java Applet 
Tool 

[0]

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

Transformations and symmetry (Geometry) 
Java Applet 
Tool 

[0]

Rectangular geoboard with x and y coordinates.
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Identifying Unknown Transforma...

Reflection (Geometry)+ 
Java Applet 
Tool 

[0]

The user is challenged to identify the transformation that has been used.
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Java Kali

Transformations and symmetry (Geometry) 
Java Applet 
Tool 

[1]

Kali is a program that lets you draw symmetrical patterns based on any of the 17 wallpaper groups, as well as several frieze and rosette groups.
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Pantograph

Dilation (Geometry) 
Java Applet 
Tool 

[0]

This applet is a pantograph, you must figure out the ratio of magnification.
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Pattern Blocks

Tessellations (Geometry) 
Java Applet 
Tool 

[0]

Using the pattern block applet students can describe parts in relation to a whole group; distinguish between characteristics of shapes; create and describe patterns in shape; identify lines of symmetr...
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Pentominoes

Tessellations (Geometry) 
Java Applet 
Tool 

[0]

A virtual manipulative of pentominoes which can be rotated and also reflected (flipped).
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Pinwheel Tiling

Tessellations (Geometry) 
Java Applet 
Tool 

[1]

Construct and explore an asymmetric tiling of the plane by right triangles.
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Polyominoes

Tessellations (Geometry) 
Java Applet 
Tool 

[0]

Using this virtual manipulative you may: add a polyomino to the workspace; group polyominoes; rotate a polyomino; change a polyomino's color; zoom in/out; clear the workspace
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Reflections Across Two Mirror ...

Reflection (Geometry) 
Java Applet 
Tool 

[0]

Users will learn what happens when a design is reflected twice across two different mirror lines with this interactive activity.
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Relating Rotations to Symmetry

Transformations and symmetry (Geometry) 
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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Shadow of a Square

Transformations and symmetry (Geometry) 
Java Applet 
Tool 

[0]

This applet has you creating figures based on shadows (or transformations) of the given square.
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Symmetries and Their Propertie...

Translation (Geometry) 
Java Applet 
Tool 

[0]

Interacting with JavaSketchpad applets will help users to understand how translations work and what happens when two or more translations are applied one after the other.
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Symmetries and Their Propertie...

Glide (Geometry) 
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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Tessellate!

Tessellations (Geometry) 
Java Applet 
Tool 

[0]

This activity allows the user to create a figure that can be tessellated.
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Tessellations

Tessellations (Geometry) 
Java Applet 
Tool 

[2]

Using this virtual manipulative you may: add a block to the workspace; rotate a block; change the color of a block; remove a block; group blocks; zoom in/out
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Transformation Golf

Transformations and symmetry (Geometry) 
Java Applet 
Tool 

[0]

Use the various transformation tools to "break par" as you play miniature golf on a 9hole course.
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