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View material results for category Mathematics and Statistics

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Mathematics
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View material results for category Mathematics and Statistics/Mathematics/Geometry and Topology

Geometry and Topology
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Euclidean Geometry
Illustrates a theorem using the Pythagoras diagram but yielding a surprising triangle.

Material Type:
SimulationAuthor: Saltire Software

Date Added: Dec 19, 1997 Date Modified: Jan 03, 2003

Peer Review for material titled "Surprising Triangle formed with the Pythagoras Diagram"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

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Lets you experiment with the Cheng-Pleijel point of a quadrangle.

Material Type:
SimulationAuthor: Ben Cheng

Date Added: May 28, 1997 Date Modified: Jul 24, 2002

Peer Review for material titled "The Cheng-Pleijel Applet"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

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Touch Pythagoras:The Pythagorean Theorem Interactive.You can change the lengths of the legs (dragging).You can change the...
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Material Type:
SimulationAuthor: Maurici Carbó

Date Added: Jun 12, 2013 Date Modified: Mar 28, 2014

Peer Review for material titled "Touch Pythagoras App for Android"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

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This calculator computes the angles (and side) of a triangle given 2 sides and 1 included angle.

Material Type:
SimulationAuthor: Saltire Software

Date Added: Dec 19, 1997 Date Modified: Jan 03, 2003

Peer Review for material titled "Triangle Angle Calculator (given 2 sides and 1 angle))"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

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This calculator computes the angles of a triangle given 3 sides.

Material Type:
SimulationAuthor: Saltire Software

Date Added: Dec 19, 1997 Date Modified: Jan 03, 2003

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

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Gives the lengths of altitude and median along with radii of incircle and circumcircle.

Material Type:
SimulationAuthor: Saltire Software

Date Added: Dec 19, 1997 Date Modified: Jan 03, 2003

Peer Review for material titled "Triangle Calculator: Derived Quantities"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

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Very good quality; in queue to be peer reviewed

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This is a lesson/unit plan for a high school geometry class investigating conditions leading to triangle congruence using...
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Material Type:
Workshop and Training MaterialAuthor: Jon Lind

Date Added: Jan 22, 2012 Date Modified: Jan 22, 2012

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

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Complete Classroom InterActivity for exploring the fact: If the median to the longest side of a triangle and the two halves...
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Material Type:
Learning Object RepositoryAuthor: Linda Fahlberg-Stojanovska

Date Added: Nov 25, 2009 Date Modified: Aug 13, 2012

Peer Review for material titled "Triangles, Medians and Right Triangles"

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

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This (STAIR) activity will introduce the three geometric ratios (sine, cosine, tangent) and teach the relationships through...
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Material Type:
Drill and PracticeAuthor: Ethan Fahy

Date Added: Feb 27, 2011 Date Modified: May 13, 2014

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

Editor Review
Very good quality; in queue to be peer reviewed

avg:
User review 4.67 average rating

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This applet is a 3D game to train spatial visualization. The user must rotate a 3D solid and identify three letters that make...
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Material Type:
SimulationAuthor: Rogério Vaz de Almeida Jr., Humberto Bortolossi

Date Added: Aug 03, 2008 Date Modified: Aug 03, 2008

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About this material:

Reviewed by members of Editorial board for inclusion in MERLOT.

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