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2D Rotation Using Matrices
Conditional Remix & Share Permitted
CC BY-NC-SA
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This Demonstration illustrates the concept of rotating a 2D polygon. The rotation matrix is displayed for the current angle. The default polygon is a square that you can modify.

نوع المادة:
Activity/Lab
Diagram/Illustration
Homework/Assignment
تفاعلية
محاكاة
Teaching/Learning Strategy
Provider:
Wolfram Research
Provider Set:
Wolfram Demonstrations Project
المؤلف:
Mito Are and Valeria Antohe
Date Added:
09/04/2013
AAS Congruent Triangles
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Rating
3.66666666667 stars

An interactive applet and associated web page that shows how triangles that have two angles and a non-included side the same must be congruent. The applet shows two triangles, one of which can be reshaped by dragging any vertex. The other changes to remain congruent to it and the two angles and non-included side are outlined in bold to show they are the same measure and are the elements being used to prove congruence. The web page describes all this and has links to other related pages. Applet can be enlarged to full screen size for use with a classroom projector. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com.

Material Type:
Reading
Simulation
Provider:
Math Open Reference
Author:
John Page
Date Added:
02/16/2011
Application of Derivatives
Conditional Remix & Share Permitted
CC BY-SA
Rating
0.0 stars

We use the derivative to determine the maximum and minimum values of particular functions (e.g. cost, strength, amount of material used in a building, profit, loss, etc.).Differentiation is also used in analysis of finance and economics.

Material Type:
Simulation
Provider:
GeoGebra
Provider Set:
GeoGebraTube
Date Added:
03/12/2012
Arithmetic (AR)
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Some Rights Reserved
Rating
0.0 stars

Remember your multiplication tables? ... me neither. Brush up on your multiplication, division, and factoring skills with this exciting game. No calculators allowed!

Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Trish Loeblein
Date Added:
05/02/2010
Battleships
Only Sharing Permitted
CC BY-NC-ND
Rating
0,0 stars

This activity explores the main algorithms that are used as the basis for searching on computers, using different variations on the game of battleships. This activity demonstrates three search methods for finding information in data: linear searching, binary searching and hashing. It also includes an optional introductory activity as well as a video showing a fun demonstration related to the same content.

نوع المادة:
Activity/Lab
Game
Lesson Plan
محاكاة
Provider:
ComPADRE Digital Library
المؤلف:
Brian Mason Scientific and Technical Trust
Computer Science Unplugged
Google Inc.
Ian Witten
Jane McKenzie
Mike Fellows
Robyn Adams
Tim Bell
Date Added:
01/02/2002
Break-Even Analysis
Conditional Remix & Share Permitted
CC BY-SA
Rating
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Break-Even analysis and the effect of changing Fixed costs, Variable Costs, and Selling price on Profit/Loss

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
04/26/2012
Break-Even Analysis
Conditional Remix & Share Permitted
CC BY-SA
Rating
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Try to move points (one at a time) C, B, and D C for a change in fixed cost B for a change in selling price D fora change in variable cost

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
04/26/2012
Determinants
Conditional Remix & Share Permitted
CC BY-SA
Rating
0,0 stars

This dynamic worksheet illustrates the relationship between the DETERMINANT, the Area of the pre-image, and the Area of the image.

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
04/26/2012
Determinants
Conditional Remix & Share Permitted
CC BY-SA
Rating
0,0 stars

Ana Donevska Todorova Humboldt Universitハt zu Berlin Mathematisch-Naturwissenschaftliche Fakultハt II Institut f゚r Mathematik, Didaktik der Mathematik

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
03/12/2012
Determinants
Conditional Remix & Share Permitted
CC BY-SA
Rating
0,0 stars

Ana Donevska Todorova Humboldt Universitハt zu Berlin Mathematisch-Naturwissenschaftliche Fakultハt II Institut f゚r Mathematik, Didaktik der Mathematik ??? ?????????? ?????? ???????? ?? ???????????? ????? ? ????

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
03/12/2012
Determinants and Analytic Geometry
Conditional Remix & Share Permitted
CC BY-SA
Rating
0,0 stars

Ana Donevska Todorova Humboldt Universitハt zu Berlin Mathematisch-Naturwissenschaftliche Fakultハt II Institut f゚r Mathematik, Didaktik der Mathematik

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
03/12/2012
Geometric visualization of determinants
Conditional Remix & Share Permitted
CC BY-SA
Rating
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Ana Donevska Todorova Humboldt Universitハt zu Berlin Mathematisch-Naturwissenschaftliche Fakultハt II Institut f゚r Mathematik, Didaktik der Mathematik

نوع المادة:
محاكاة
Provider:
GeoGebra
Provider Set:
موقع GeoGebraTube
Date Added:
03/12/2012
Inscribed Angles That Intercept the Same Arc
Conditional Remix & Share Permitted
CC BY-NC-SA
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If two inscribed angles intercept the same arc, then the angles are equal. Drag the orange points to change the figure.

نوع المادة:
Activity/Lab
Diagram/Illustration
Homework/Assignment
تفاعلية
محاكاة
Teaching/Learning Strategy
Provider:
Wolfram Research
Provider Set:
Wolfram Demonstrations Project
المؤلف:
Jay Warendorff
Date Added:
09/04/2013
Length Scales in the Solar System
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
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A dynamically simplified solar system is constructed from online data to explore the real solar system on many different scales.

The realistically scaled solar system is surprising because nothing is visible due to the presence of many different scales. That is why it is usually rescaled in animations or illustrations. This is nice but gives us a wrong sense of distances and sizes. This Demonstration is intended to show the solar system's different scales in their full glory.

Since it is hardly possible to see anything when the real scales are used, controls have been added to modify the sizes of the celestial bodies.

نوع المادة:
Activity/Lab
Diagram/Illustration
Homework/Assignment
تفاعلية
محاكاة
Teaching/Learning Strategy
Provider:
Wolfram Research
Provider Set:
Wolfram Demonstrations Project
المؤلف:
Cedric Voisin
Date Added:
09/04/2013
Malala: Standing Up For Girls
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Educational Use
Rating
0,0 stars

This lesson focuses on the story of Malala Yousafzai, a 14-year-old Pakistani girl whose public stance in favor of the education of girls made her the target of a Taliban assassination attempt in October 2012. The lesson has students learn a little about Pakistan, and read and discuss Malala's blog. Because the context of the story is important and complex, background information is provided.

نوع المادة:
Activity/Lab
Lecture
Lesson Plan
محاكاة
Provider:
Morningside Center for Teaching Social Responsibility
Provider Set:
لحظة سانحة للتعليم
Date Added:
10/26/2012