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Pythagorean Theorem Lab	Pythagorean theorem (Geometry)	Computer	Activity		[1]
Students do a "web excursion" exploring various proofs and the history of the Pythagorean Theorem. More: lessons, discussions, ratings, reviews,...
A Dynamic Proof	Pythagorean theorem (Geometry)	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... More: lessons, discussions, ratings, reviews,...
A Right Triangle with Squares	Pythagorean theorem (Geometry)	Sketchpad	Activity		[0]
Students make a square tool and use the tool to investigate the Pythagorean Theorem and its converse. The link to the activity itself is to a zip file that contains the activity in pdf format. ... More: lessons, discussions, ratings, reviews,...
Leonardo da Vinci's Proof	Pythagorean theorem (Geometry)	Sketchpad	Activity		[0]
Students use reflection and rotation to build a sketch that demonstrates a famous proof by Leonardo. The link to the activity itself is to a zip file that contains both the activity in pdf format ... More: lessons, discussions, ratings, reviews,...
Pythagoras Plugged In: Proofs ...	Pythagorean theorem (Geometry)	Sketchpad	Activity	$	[0]
This book guides students through a variety of proofs and applications of the Pythagorean theorem. By constructing and dynamically manipulating figures, students visualize the theorem and gain insight... More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem	Pythagorean theorem (Geometry)	Sketchpad	Activity		[0]
Students create both a visual and formal proof of the Pythagorean theorem, as well as view four additional geometric demonstrations of the theorem. These demonstrations are based on proofs by Bhaskara... More: lessons, discussions, ratings, reviews,...
Visual Demonstration of the Py...	Pythagorean theorem (Geometry)	Sketchpad	Activity		[0]
Students do a visual demonstration of the Pythagorean theorem based on Euclid�s proof. By shearing the squares on the sides of a right triangle, they create congruent shapes without changing... More: lessons, discussions, ratings, reviews,...
Perpendicular Slopes	Pythagorean theorem (Geometry)	TI-Nspire	Activity		[0]
In this activity, students investigate the �negative reciprocal� relationship between the slopes of perpendicular lines. The final phase of the activity is appropriate for more advanced students as th... More: lessons, discussions, ratings, reviews,...
The Beach Race	Pythagorean theorem (Geometry)	TI-Nspire	Activity		[0]
In a beach race, contestants must swim to a point along the beach and then run to reach the ﬁnish line. Where should I aim to land on the beach so as to minimize my total time for the race? Stu... More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem--and M...	Pythagorean theorem (Geometry)	TI-Nspire	Activity		[0]
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... More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem	Pythagorean theorem (Geometry)	Computer	Lesson Plan		[0]
Learn how the Pythagorean Theorem works and how to apply it. More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem	Pythagorean theorem (Geometry)	Computer	Lesson Plan		[0]
This lesson provides directions for teaching about the Pythagorean Theorem using Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem	Pythagorean theorem (Geometry)	Computer	Support Material		[1]
Discussion of exposition, history, and proof of Pythagorean Theorem More: lessons, discussions, ratings, reviews,...
Distance Formula (Geometry)	Pythagorean theorem (Geometry)	Flash	Support Material		[0]
This mini-lesson explains how to use the Pythagorean Theorem to find the distance between two points in the plane. More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem (Getting S...	Pythagorean theorem (Geometry)	Flash	Support Material		[0]
This mini-lesson explains the Pythagorean Theorem and how to apply the theorem and its corollaries to solve real life problems. More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem Converse (...	Pythagorean theorem (Geometry)	Flash	Support Material		[0]
This mini-lesson explains the converse of the Pythagorean Theorem and how to use it to prove a triangle is a right triangle. More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem (Amsco...	Pythagorean theorem (Geometry)	Flash	Support Material		[0]
This mini-lesson explains right angle triangles and the Pythagorean theorem. More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem	Pythagorean theorem (Geometry)	Java Applet	Support Material		[1]
Read explanations of forty-three proofs of the Pythagorean theorem. Some of the proofs have additional pages with applets to explore. More: lessons, discussions, ratings, reviews,...
The Pythagorean Theorem 1	Pythagorean theorem (Geometry)	Computer	Tool		[0]
This tool illustrates the Pythagorean Theorem. More: lessons, discussions, ratings, reviews,...
Pythagoras' Theorem	Pythagorean theorem (Geometry)	Flash	Tool		[1]
Test yourself on the Pythagorean Theorem and its applications in these ten questions. More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem	Pythagorean theorem (Geometry)	Flash	Tool		[0]
Flash-based introduction to finding the hypotenuse given the lengths of the legs of a right triangle. College Cram charges access fees by the month or by the semester for most resources. To get a ... More: lessons, discussions, ratings, reviews,...
Pythagorean Theorem	Pythagorean theorem (Geometry)	Flash	Tool		[1]
Discover how the Pythagorean formula describes the relationships between the lengths of the legs and hypotenuse of a right triangle. Teachers and students can use this audio-narrated lesson, interact... More: lessons, discussions, ratings, reviews,...
30 - 60 - 90 Triangles - Math ...	Pythagorean theorem (Geometry)	Java Applet	Tool		[0]
An interactive applet and associated web page that demonstrate the properties of a 30-60-90 triangle. The applet shows a right triangle that can be resized by dragging any vertex. As it is drag... More: lessons, discussions, ratings, reviews,...
3:4:5 Triangles - Math Open Re...	Pythagorean theorem (Geometry)	Java Applet	Tool		[0]
An interactive applet and associated web page that demonstrate the properties of a 3:4:5 triangle - one of the Pythagorean triples. The applet shows a right triangle that can be resized by draggin... More: lessons, discussions, ratings, reviews,...
45-45-90 Triangles - Math Open...	Pythagorean theorem (Geometry)	Java Applet	Tool		[0]
An interactive applet and associated web page that demonstrate the properties of a 45-45-90 isosceles right triangle. The applet shows a right triangle that can be resized by dragging any vertex. ... More: lessons, discussions, ratings, reviews,...
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