Texas Instruments
Texas Instruments: Investigating Segments in a Quadrilateral
In this activity, students use the tools of Cabri Jr to test their knowledge of geometry. They investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral.
Texas Instruments
Texas Instruments: Cyclic Quadrilaterals
Students construct cyclic quadrilaterals and investigate their properties. They determine which quadrilaterals from the quadrilateral hierarchy are cyclic.
Texas Instruments
Texas Instruments: Measuring Angles in a Quadrilateral
In this activity, use an interactive, and investigative approach to determining the sum of the interior angles of a quadrilateral. They use Cabri Jr. to draw, measure, and calculate the characteristics of the angles of quadrilaterals.
Texas Instruments
Texas Instruments: Ti 92 + Cabri Geometry for the Not Necessarily Advanced User
This activity is a tutorial on using the Cabri Geometry application. Students' perform geometric constructions which range from simple triangles to complex conics.
Texas Instruments
Texas Instruments: Exploring Geometry and Algebra Using Cabri Jr. Application
To prove the Perpendicular Bisectors Theorem using the Cabri Jr. Application, graphically and algebraically.
Texas Instruments
Texas Instruments: Investigating Properties of Kites
In this activity, students construct kites and investigate their properties. They also relate the properties to squares and rhombi.
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Texas Instruments: Angles in Circles
The student will use the Cabri Jr. APP to discover the relationship between inscribed and central angles in a circle.
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Texas Instruments: Cabri Jr. Inscribed and Central Angles
This activity uses Cabri Jr. to explore the relationship between inscribed and central angles subtended from the same arc of a circle.
Texas Instruments
Texas Instruments: Cabri Geometry Tour
In this activity, students use the Cabri software to mark points, draw lines, construct parallel and perpendicular lines, angles, bisectors, and triangles. They learn how to use the tool to measure angles.
Texas Instruments
Texas Instruments: Midsegments of Quadrilaterals
In this activity, students will extend their understanding of midsegments by investigating the midsegments of a quadrilateral and the midsegment quadrilateral. [Requires Adobe Reader.]
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Texas Instruments: Simple Constructions
In this skill activity, students can use the Constructions Tools Menu in Cabri Jr. to contruct a parallelogram. They will also construct an altitude, an angle bisector and a median of a triangle.
Texas Instruments
Texas Instruments: Cabri Geometry Tour
In this activity, students will practice some of the basic functions of the Cabri Geometry software, including use of the Pointer, Point, Line, Measure, and Construct toolbars.
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Texas Instruments: Undefined Terms and Definitions
This is a LearningCheck quiz on undefined terms in the beginning of Geometry.
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Texas Instruments: Bring Geometry to Life
In this activity, learners use the Geometer's Sketchpad application to construct Euler's Line, Pythagorean Proof, and Fermat's point. They also investigate the concept of perimeter.
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Texas Instruments: Traditional Compass Construction: Angle Bisector Using Cabri
Use Cabri Jr. and the Compass command to complete the actual construction - pencil, paper, and compass process.
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Texas Instruments: Using Cabri Geometry to Create Fractals
With Cabri Geometry Jr. you never need to leave your classroom! The use of fractals can help understand the concepts of fractals and prepare for the HSPA. There are 2 separate activities to do in the classroom with the answers.
Texas Instruments
Texas Instruments: Exploring Quadrilaterals With Cabri Jr.
Students can use Cabri Jr. software on their TI-83/84 calculator to connect consecutive midpoints of different quadrilaterals and analyze and determine characteristics of the new quadrilateral formed.
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Texas Instruments: Discovering Geometry: Drawing Regular Polygons
Students will explore the central angles of a regular polygon.
Texas Instruments
Texas Instruments: Traditional Copy an Angle: Compass Construction Using Cabri
Use Cabri Jr to copy an angle. The activity is followed by a student-to-student interview/reflection sheet intended to require students to think, talk, and write about why the construction worked. The reflection sheet could be adapted...
Texas Instruments
Texas Instruments: Classifying Quadrilaterals
Students receive two Cabri Jr. files of quadrilaterals on a coordinate plane. They use their knowledge of quadrilaterals to give each one the most precise name. They may find the length and/or slope of the sides using the measuring tools...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Tangencias
In Spanish. This interactive unit introduces various geometric concepts which are intended to be tools for solving problems of tangencies between straight lines, circles and points.
Other
Advogato: Trigonometry by Geometric Construction
This site from Advogato is all about angles. It contains information starting with what an angle is and what it looks like, all the way up to bisecting angles and theorems about angles. This is very good information for students just...
Texas Instruments
Texas Instruments: Real Life Real World Activity Carpentry
Carpenters use applications of geometry in their work, including the properties of right triangles and circles. This activity uses Cabri Jr. Geometry software to make measurements and solve problems based on carpentry situations....
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Texas Instruments: Trisecting a Square
Students will determine several ways to trisect a square. They will use Cabri Jr. to verify the square has been trisected and then prove their trisection using postulates and theorems from geometry. Supplementary worksheets are included...