Browsing: All Content in Geometry for Triangles Browse discussions |
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Resource Name |
Topic (Course) |
Technology |
Type |
$? |
Rating |
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Angles of a Triangle
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Triangles (Geometry) |
Cabri Jr. |
Activity |
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[0]
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Students measure the interior and exterior angles of a triangle and find their relationships.
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Interior Angle Theorem
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Triangles (Geometry) |
Cabri Jr. |
Activity |
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[0]
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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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Impossible Triangles
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Triangles (Geometry) |
Computer |
Activity |
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[1]
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Figure out what makes each of the given triangles impossible. Which triangle property is violated?
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Isosceles Triangle Puzzler
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Isosceles (Geometry) |
Computer |
Activity |
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[1]
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Test your knowledge on isosceles triangles by answering these questions. Then submit your answers and see what you know.
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Right Triangle Geometry
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Right (Geometry) |
Java Applet |
Activity |
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[2]
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This eModule presents real-world problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
More: lessons, discussions, ratings, reviews,...
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Triangle Geometry
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Obtuse (Geometry)+ |
Java Applet |
Activity |
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[0]
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This eModule presents real-world 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
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Isosceles (Geometry)+ |
Java Applet |
Activity |
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[1]
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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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Constellations
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Triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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The task requires students to classify triangles according to angle and side properties. Students use Geometer's Sketchpad to manipulate triangles to see that constructed triangles have imposed...
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Constructions of Equilateral a...
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Isosceles (Geometry)+ |
Sketchpad |
Activity |
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[0]
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Students will discuss the difference between drawing and constructing a triangle using The Geometer’s Sketchpad. They will further develop constructions for both isosceles and equilateral triangles. ...
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Exploring Centers of a Triangl...
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Centers of triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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Using problem solving skills, formal geometry, and The Geometer's Sketchpad, students will model and solve two real-world problems by constructing the incenter and circumcenter of triangles. St...
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Exploring Centers of a Triangl...
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Centers of triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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Using problem solving skills, formal geometry, and The Geometer's Sketchpad, students will model and solve a real-world problem by constructing the centroid of a triangle. Students will explore...
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Exploring Characteristics of T...
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Triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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Students draw triangles and explore the classification of each using the measures of interior angles and lengths of sides. In the extension activities, the students further explore and generalize a fo...
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Exploring Types of Triangles
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Triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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Students explore various triangle properties, such as scalene, isosceles, equilateral, acute, right, and obtuse. The link to the tool itself is to a zip file that contains both the activity in pdf ...
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Geometry Activities for Middle...
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Triangles (Geometry) |
Sketchpad |
Activity |
$ |
[0]
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These activities provide students with the opportunity to explore geometric concepts such as symmetry, transformations, and even fractal geometry in a way no other teaching tool can. The dynamic ca...
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Medians in a Triangle
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Centers of triangles (Geometry) |
Sketchpad |
Activity |
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[0]
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Students discover various properties of the three medians of a triangle. The link to the activity itself is to a zip file that contains a pdf file of the activity.
This is a free sample a...
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Proof as Explanation: Distance...
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Equilateral (Geometry) |
Sketchpad |
Activity |
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[0]
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Students explore the sum of certain distances in an equilateral triangle, and develop a proof to explain their observations. The link to the activity itself is to a zip file that contains both the...
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Proof as Systematization: Tria...
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Triangles (Geometry) |
Sketchpad |
Activity |
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[1]
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Students use Sketchpad to develop a proof for a result that was discovered and used (without proof) in an earlier activity. The link to the activity itself is to a zip file that contains both the a...
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Shape Makers: Developing Geome...
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Triangles (Geometry) |
Sketchpad |
Activity |
$ |
[0]
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Author Michael Battista has built what he calls the Shape Makers computer microworld, a series of explorations in which students develop dynamic mental models for thinking about geometric shapes an...
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The Pythagorean Theorem--and M...
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Triangles (Geometry) |
TI-Nspire |
Activity |
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[0]
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In this activity, students construct a triangle and find all angle and side measures. They practice dragging the vertices to form certain types of triangles, and then they confirm the Pyth...
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Fixed Area of a Triangle
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Triangles (Geometry) |
Computer |
Lesson Plan |
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[0]
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This lesson gives directions for teaching the fixed area of a triangle given a fixed base and height using Geometer's Sketchpad.
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The Centroid of a Triangle
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Centers of triangles (Geometry) |
Computer |
Lesson Plan |
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[0]
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This lesson provides directions for teaching about the centroid of a triangle using Geometer's Sketchpad.
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The Triangle Inequality
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Triangles (Geometry) |
Computer |
Lesson Plan |
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[0]
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This lesson provides directions for teaching about triangle inequality using Geometer's Sketchpad.
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Triangle Inequality in Animati...
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Triangles (Geometry) |
Computer |
Lesson Plan |
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[0]
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This lesson shows you how to create an animation of the triangle inequality using Geometer's Sketchpad.
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Right Triangle Geometry
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Right (Geometry) |
Java Applet |
Lesson Plan |
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[0]
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This eModule presents real-world problems that motivate students to work with right triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles...
More: lessons, discussions, ratings, reviews,...
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Triangle Geometry
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Obtuse (Geometry)+ |
Java Applet |
Lesson Plan |
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[1]
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This eModule presents real-world 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...
More: lessons, discussions, ratings, reviews,...
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