Browsing: All Content in Geometry for Logic and proof Browse discussions |
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Resource Name |
Topic (Course) |
Technology |
Type |
$? |
Rating |
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Pythagorean Theorem Lab
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Logic and proof (Geometry) |
Computer |
Activity |
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[1]
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Students do a "web excursion" exploring various proofs and the history of the Pythagorean Theorem.
More: lessons, discussions, ratings, reviews,...
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Proof as Discovery: Kite Midpo...
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Logic and proof (Geometry) |
Sketchpad |
Activity |
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[0]
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Students investigate and prove a property of kites, and use the proof to make a discovery about other quadrilaterals. The link to the activity itself is to a zip file that contains both the activi...
More: lessons, discussions, ratings, reviews,...
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Proof as Explanation: Distance...
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Logic and proof (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...
More: lessons, discussions, ratings, reviews,...
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Proof as Systematization: Tria...
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Logic and proof (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...
More: lessons, discussions, ratings, reviews,...
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Proof as Verification: Areas
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Logic and proof (Geometry) |
Sketchpad |
Activity |
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[0]
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Students form a conjecture about the ratio of two areas in a quadrilateral, and use Sketchpad to search for a proof. In the process they verify or disprove their results for two different kinds of ...
More: lessons, discussions, ratings, reviews,...
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Ask Dr. Math FAQ: About Proofs
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Logic and proof (Geometry) |
Computer |
Support Material |
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[0]
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Questions on "what is a proof?" answered by the math doctors of the Math Forum's Ask Dr. Math service.
More: lessons, discussions, ratings, reviews,...
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Proofs Involving Segments
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If-then statements (Geometry) |
Computer |
Support Material |
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[1]
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Provides some written proofs involving segments as examples of proof writing.
More: lessons, discussions, ratings, reviews,...
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Reasoning Through Proofs
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If-then statements (Geometry) |
Computer |
Support Material |
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[2]
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Provides guidelines for writing proofs.
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Picture Proof of the Pythagore...
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Logic and proof (Geometry) |
Java Applet |
Tool |
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[1]
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Step-by-step picture proof of the Pythagorean theorem.
More: lessons, discussions, ratings, reviews,...
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Proof Without Words: Completin...
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Logic and proof (Geometry) |
Java Applet |
Tool |
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[2]
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Carry out an interactive, geometric "proof without words" for the algebraic technique of completing the square.
More: lessons, discussions, ratings, reviews,...
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Pythagoras graphical proof - M...
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Logic and proof (Geometry) |
Java Applet |
Tool |
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[1]
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An interactive applet and associated web page that demonstrates a graphical proof of Pythagoras' Theorem.
The applet shows a right triangle that is replicated and then moved around to demonstra...
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Turtle Geometry
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Logic and proof (Geometry) |
Java Applet |
Tool |
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[1]
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Move and turn a turtle.
More: lessons, discussions, ratings, reviews,...
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A Geometric Proof of the Pytha...
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Logic and proof (Geometry) |
PowerPoint |
Tool |
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[0]
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This PowerPoint presentation uses animation and color to show a step-by-step geometric proof of the Pythagorean Theorem. It is assumed that students are already familiar with the theorem and its mean...
More: lessons, discussions, ratings, reviews,...
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Proof as Discovery: Kite Midpo...
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Logic and proof (Geometry) |
Sketchpad |
Tool |
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[0]
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Students investigate and prove a property of kites, and use the proof to make a discovery about other quadrilaterals. The link to the tool itself is to a zip file that contains both the sketch and...
More: lessons, discussions, ratings, reviews,...
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Proof as Explanation: Distance...
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Logic and proof (Geometry) |
Sketchpad |
Tool |
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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 tool itself is to a zip file that contains both the ske...
More: lessons, discussions, ratings, reviews,...
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Proof as Systematization: Tria...
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Logic and proof (Geometry) |
Sketchpad |
Tool |
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[0]
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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 tool itself is to a zip file that contains both the sketc...
More: lessons, discussions, ratings, reviews,...
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Proof as Verification: Areas
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Logic and proof (Geometry) |
Sketchpad |
Tool |
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[0]
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Students form a conjecture about the ratio of two areas in a quadrilateral, and use Sketchpad to search for a proof. In the process they verify or disprove their results for two different kinds of ...
More: lessons, discussions, ratings, reviews,...
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