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Buffon's Needle: An Analysis a...	Geometric probability (Geometry)		Lesson Plan		[0]
Buffon's Needle is one of the oldest problems in the field of geometrical probability. It was first stated in 1777. It involves dropping a needle on a lined sheet of paper and determining the probabil... More: lessons, discussions, ratings, reviews,...
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... More: lessons, discussions, ratings, reviews,...
Brianchon's First Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate Brianchon's First Theorem which can be stated, "If AB, CD, and EF are concurrent at X, and BC, DE, and FA are concurrent at Y, then AD, BE, and CF are concurre... More: lessons, discussions, ratings, reviews,...
Brianchon's Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate Brianchon's Theorem which can be stated, "If each side of a hexagon touches a conic, then its diagonals are concurrent." More: lessons, discussions, ratings, reviews,...
Cabri 3D	Pyramids (Geometry)+	Cabri	Tool	$	[0]
Cabri 3D is interactive solid geometry software based on 3rd generation Cabri technology. It enables users to build and manipulate figures in 3D. It is entirely designed and developed by Cabrilog, and... More: lessons, discussions, ratings, reviews,...
Cabri Geometry II Plus	General (Geometry)	Cabri	Tool	$	[0]
Cabri Geometry II Plus is a geometry construction tool allowing users to produce figures in the same way as one would using a sheet of paper, pencil, ruler, compass and eraser. Evaluation... More: lessons, discussions, ratings, reviews,...
Desargues Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate Desargues Theorem which can be stated, "If the lines joining corresponding vertices of two triangles are concurrent, then the intersections of corresponding si... More: lessons, discussions, ratings, reviews,...
Getting Started in Cabri 3D	Pyramids (Geometry)+	Cabri	Support Material		[0]
Three video movie tutorials to give new users an introduction to using Cabri 3D as a teaching tool including: - how to construct and label points - construct lines and their intersections... More: lessons, discussions, ratings, reviews,...
La Hire's Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate La Hire's Theorem which can be stated, "If P lies on the polar of Q, then Q lies on the polar of P." More: lessons, discussions, ratings, reviews,...
Pappus's Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate Pappus's Theorem which can be stated, "If alternate vertices of a hexagon are collinear, then the intersections of opposite sides are collinear." More: lessons, discussions, ratings, reviews,...
Pascal's Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate Pascal's Theorem which can be stated, "If the vertices of a hexagon lie on a conic, then the intersections of opposite sides are collinear." More: lessons, discussions, ratings, reviews,...
The 3 Tangents Theorem	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate The 3 Tangents Theorem which can be stated, "If the triangle ABC touches the conic at P, Q, and R as shown, then AP, BQ, and CR are concurrent." More: lessons, discussions, ratings, reviews,...
The 3 Tangents and 3 Chords Th...	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate The 3 Tangents and 3 Chords Theorem which can be stated, "Triangle ABC is inscribed in a conic. If the tangent at A meets the chord BC at P, the tangent at B m... More: lessons, discussions, ratings, reviews,...
The Converse of Pascal's Theor...	Straightedge and compass (Geometry)	Cabri	Tool		[0]
A Cabri *.fig file written to illustrate The Converse of Pascal's Theorem which can be stated, "If the points A, B, C, D, E, F are such that the intersections of AC and BD, of AE and DF, and of BE and... More: lessons, discussions, ratings, reviews,...
Angles of a Triangle	Triangles (Geometry)	Cabri Jr.	Activity		[0]
Students measure the interior and exterior angles of a triangle and find their relationships. More: lessons, discussions, ratings, reviews,...
Cabri Jr App	General (Geometry)	Cabri Jr.	Tool		[0]
The Cabri Jr. App is dynamic geometry software and allows you to construct, analyze, and transform mathematical models and geometric diagrams. Explore the cutting-edge technology developed for TI by r... More: lessons, discussions, ratings, reviews,...
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 TI-83 Plus and TI-84 Plus families of graphing calculators to explore and make conjectures related to key geometry concep... More: lessons, discussions, ratings, reviews,...
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... More: lessons, discussions, ratings, reviews,...
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. More: lessons, discussions, ratings, reviews,...
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... More: lessons, discussions, ratings, reviews,...
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 TI-83 Plus and TI-84 Plus families of graphing calculators to explore and make conjectures related to key geometry concep... More: lessons, discussions, ratings, reviews,...
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, open-ended problems. There is no intended order of topics. Any exploration can be used where ... More: lessons, discussions, ratings, reviews,...
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�. More: lessons, discussions, ratings, reviews,...
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. More: lessons, discussions, ratings, reviews,...
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... More: lessons, discussions, ratings, reviews,...
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