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An Introduction to Cabri 3D

Pyramids (Geometry)+ 
Cabri 
Activity 

[0]

This introduction is based on a workshop given by Eric Bainville at CabriWorld 2004. The first part introduces a few important features of Cabri 3D. This is followed by activities involving constructi...
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Angles of a Triangle

Triangles (Geometry) 
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

General (Geometry) 
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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Cabri® Jr.: Interactive Geomet...

General (Geometry) 
Cabri Jr. 
Activity 

[0]

This comprehensive workbook includes over 25 activities that provide students with the opportunity to explore geometry using interactive activities and investigations, with a focus on concepts over ke...
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Circles in the Plane

Circles (Geometry) 
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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Dilations in the Plane

Dilation (Geometry) 
Cabri Jr. 
Activity 

[0]

A dilation is a transformation that produces a figure with a different size from that of the original figure. In this activity, students explore the properties of dilations and the relationships betwe...
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Exploring Mathematics with the...

General (Geometry) 
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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Geometric Investigations on th...

General (Geometry) 
Cabri Jr. 
Activity 

[0]

The explorations in this book are intended to promote an environment of inquiry through thought provoking, openended problems. There is no intended order of topics. Any exploration can be used where ...
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Interior Angle Theorem

Triangles (Geometry) 
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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Points in the Coordinate Plane

Coordinate geometry (Geometry) 
Cabri Jr. 
Activity 

[0]

In this activity students use the Cabri Jr. application to explore the coordinate system.
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Rotations in the Plane

Rotation (Geometry) 
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

Construction and loci (Geometry) 
Cabri Jr. 
Activity 

[1]

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

Circles (Geometry) 
Calculator 
Activity 

[1]

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

Fractals (Geometry) 
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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Animated Helicopter

Cartesian plane (Geometry)+ 
Computer 
Activity 

[0]

An Logoanimated helicopter can be used to investigate the concepts of variables, and of reflections and y as a function of x on the coordinate grid. The first Logo animation of a helicopter flying ba...
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Building an Approximation of t...

Golden ratio (Geometry) 
Computer 
Activity 

[1]

Build an approximation of the golden rectangle using square grid paper.
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Circles Around Pythagoras

Right Triangles (Geometry) 
Computer 
Activity 

[2]

A problem on finding the areas created within three concentric circles.
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Dilation transformation  Math...

Dilation (Geometry) 
Computer 
Activity 

[0]

An interactive applet and associated web page that demonstrate the dilation transformation.
The applet shows a rectangle and its dilated image. The user can control the scale factor with a sl...
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Experiment with Volume

Cylinders (Geometry) 
Computer 
Activity 

[3]

Experiment with volume by creating two cylinders with sheets of paper.
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Impossible Triangles

Triangles (Geometry) 
Computer 
Activity 

[1]

Figure out what makes each of the given triangles impossible. Which triangle property is violated?
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Isosceles Triangle Puzzler

Isosceles (Geometry) 
Computer 
Activity 

[1]

Test your knowledge on isosceles triangles by answering these questions. Then submit your answers and see what you know.
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MathBits.com

General (Geometry) 
Computer 
Activity 

[1]

MathBits.com offers free lessons and activities for students and teachers. The opening page connects viewers to contentrich areas on Geometer’s Sketchpad, PowerPoint Games and Activities, Math and t...
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Maximize Volume and Area with ...

Perimeter, area, and volume (Geometry) 
Computer 
Activity 

[1]

Figure out how to maximize the volume and area of the box.
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Pythagorean Theorem Lab

Logic and proof (Geometry)+ 
Computer 
Activity 

[1]

Students do a "web excursion" exploring various proofs and the history of the Pythagorean Theorem.
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Rectangles All Around

Golden ratio (Geometry) 
Computer 
Activity 

[0]

Find out which objects around you are made in the golden ratio.
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