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Topic (Course) 
Technology 
Type 
$? 
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Angles of a Triangle

Triangles (Math 7) 
Cabri Jr. 
Activity 

[0]

Students measure the interior and exterior angles of a triangle and find their relationships.
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Cabri Jr. Sample Activities

Geometry in the plane (Math 7) 
Cabri Jr. 
Activity 

[0]

The intent of each activity in this brief book is to allow students to use the TI83 Plus and TI84 Plus families of graphing calculators to explore and make conjectures related to key geometry concep...
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Circles in the Plane

Geometry in the plane (Math 7) 
Cabri Jr. 
Activity 

[0]

Students investigate the relationships between the equation of a circle, the length of its radius, and the coordinates of its center.
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Interior Angle Theorem

Triangles (Math 7) 
Cabri Jr. 
Activity 

[0]

This activity is designed to help students discover the Interior Angle Theorem: The sum of the measures of the interior angles of a triangle is 180°.
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Rotations in the Plane

Rotations (Math 7) 
Cabri Jr. 
Activity 

[0]

A rotation around a point is one of three types of rigid transformations. It is a transformation that turns a figure a certain number of degrees about a certain point. This activity explores the prope...
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Simple Constructions

Geometry in the plane (Math 7) 
Cabri Jr. 
Activity 

[1]

In this activity students use the Cabri Jr. application to perform simple constructions.
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Get in Line

Pythagorean theorem (Math 7) 
Calculator 
Activity 

[1]

A calculator activity involving perimeter and circumference.
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A Fractals Unit for Elementary...

Fractals (Math 7) 
Computer 
Activity 

[1]

A teaching unit on fractals for students and teachers in grades 4 to 8, that adults are free to enjoy, designed to introduce students to fractals and the underlying mathematics. It focuses on fractals...
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Instant Solution of a Maze

Geometry in the plane (Math 7) 
Computer 
Activity 

[2]

A quick way to find solutions to complicated mazes. The author writes: "While doing a maze activity with a group of elementary school homeschoolers, I started exploring mazes as systems of walls rathe...
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Tilings and Symmetry

Symmetry (Math 7)+ 
Computer 
Activity 

[0]

A set of questions for small group investigation on tilings and symmetry using the software KaleidoTile.
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Using Kali

Symmetry (Math 7) 
Computer 
Activity 

[2]

An exercise (in English and Spanish) in using an interactive 2D Euclidean symmetry pattern editor. This activity was originally written as one of the stations in Frisbie Middle School's Multicultural ...
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Aggregation: Growing Fractal S...

Fractals (Math 7) 
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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Exploring Tessellations

Tessellations (Math 7) 
Java Applet 
Activity 

[0]

Although it could be argued that the best way for students to explore tessellations is by using pattern blocks, the virtual pattern blocks in this NLVM applet will engage your students, too. In this a...
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Fractals: Koch Snowflake

Fractals (Math 7) 
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 (Math 7) 
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

Quadrilateral properties (Math 7)+ 
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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Regular Tessellations

Symmetry (Math 7)+ 
Java Applet 
Activity 

[1]

Students understand why equilateral triangles, squares, and regular hexagons tessellate regularly in the Euclidean plane.
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Relationships Between Reflecti...

Symmetry (Math 7)+ 
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

Angles of polygons (Math 7)+ 
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

Angles of polygons (Math 7)+ 
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

Triangles (Math 7) 
Java Applet 
Activity 

[2]

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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Exploring Tessellations (Homew...

Tessellations (Math 7) 
JavaScript 
Activity 

[0]

This worksheet follows up on the classwork activity. (see link below in Resource Connections)
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Parallel Lines and Transversal...

Intersecting, , & perp. (Math 7) 
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...

Intersecting, , & perp. (Math 7) 
PowerPoint 
Activity 

[0]

Student worksheet to accompany Parallel Lines and Transversals PowerPoint document (see resource connection below)
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A Dynamic Proof

Pythagorean theorem (Math 7) 
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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