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AAS Congruent Triangles
Conditions of Use:
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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
Arithmetic (AR)
Conditions of Use:
Read the Fine Print
Rating

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
Equation Grapher (AR)
Conditions of Use:
Read the Fine Print
Rating

Learn about graphing polynomials. The shape of the curve changes as the constants are adjusted. View the curves for the individual terms (e.g. y=bx ) to see how they add to generate the polynomial curve.

Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Michael Dubson
Mindy Gratny
Patricia Loblein
Date Added:
06/01/2004
Fabulous Fractals and Difference Equations
Conditions of Use:
Remix and Share
Rating

This learning video introduces students to the world of Fractal Geometry through the use of difference equations. As a prerequisite to this lesson, students would need two years of high school algebra (comfort with single variable equations) and motivation to learn basic complex arithmetic. Ms. Zager has included a complete introductory tutorial on complex arithmetic with homework assignments downloadable here. Also downloadable are some supplemental challenge problems. Time required to complete the core lesson is approximately one hour, and materials needed include a blackboard/whiteboard as well as space for students to work in small groups. During the in-class portions of this interactive lesson, students will brainstorm on the outcome of the chaos game and practice calculating trajectories of different equations.

Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Laura Zager
Date Added:
07/12/2014
Fabulous Fractals and Difference Equations
Conditions of Use:
Remix and Share
Rating

This learning video introduces students to the world of Fractal Geometry through the use of difference equations. As a prerequisite to this lesson, students would need two years of high school algebra (comfort with single variable equations) and motivation to learn basic complex arithmetic. Ms. Zager has included a complete introductory tutorial on complex arithmetic with homework assignments downloadable here. Also downloadable are some supplemental challenge problems. Time required to complete the core lesson is approximately one hour, and materials needed include a blackboard/whiteboard as well as space for students to work in small groups. During the in-class portions of this interactive lesson, students will brainstorm on the outcome of the chaos game and practice calculating trajectories of different equations.

Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
Laura Zager
Date Added:
06/02/2012
The Flaws of Averages
Conditions of Use:
Remix and Share
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This learning video presents an introduction to the Flaws of Averages using three exciting examples: the ''crossing of the river'' example, the ''cookie'' example, and the ''dance class'' example. Averages are often worthwhile representations of a set of data by a single descriptive number. The objective of this module, however, is to simply point out a few pitfalls that could arise if one is not attentive to details when calculating and interpreting averages. The essential prerequisite knowledge for this video lesson is the ability to calculate an average from a set of numbers. During this video lesson, students will learn about three flaws of averages: (1) The average is not always a good description of the actual situation, (2) The function of the average is not always the same as the average of the function, and (3) The average depends on your perspective. To convey these concepts, the students are presented with the three real world examples mentioned above.

Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Daniel Livengood
MIT BLOSSOMS
Rhonda Jordan
Date Added:
06/02/2012
قانون أوم
Conditions of Use:
بلا تقييدات
Rating

شاهد كيف تتصل شكل المعادلة في قانون أوم بدائرة بسيطة. اضبط الجهد والمقاومة، وشاهد التغيير الحالي وفقا لقانون أوم. تتغير أحجام الرموز في المعادلة لتتناسب مع الرسم البياني للدارات.

نوع المادة:
Activity/Lab
تفاعلية
Provider:
University of Colorado Boulder
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Michael Dubson
Mindy Gratny
Date Added:
11/16/2007
قانون أوم
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

شاهد كيف تتصل شكل المعادلة في قانون أوم بدائرة بسيطة. اضبط الجهد والمقاومة، وشاهد التغيير الحالي وفقا لقانون أوم. تتغير أحجام الرموز في المعادلة لتتناسب مع الرسم البياني للدارات.

نوع المادة:
Activity/Lab
تفاعلية
محاكاة
Provider:
University of Colorado Boulder
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Michael Dubson
Mindy Gratny
Date Added:
06/02/2008
المقاومة في الأسلاك
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

تعرف على فيزياء المقاومة في الأسلاك. قم بتغيير المقاومة، الطول، والمنطقة لتشاهد كيف أنها تؤثرعلى مقاومة السلك. تتغير أحجام الرموز في المعادلة جنبا إلى جنب مع الرسم التخطيطي للسلك.

نوع المادة:
محاكاة
Provider:
University of Colorado Boulder
Provider Set:
المحاكاة التفاعلية لموقع PhET
المؤلف:
Michael Dubson
Mindy Gratny
Wendy Adams
Date Added:
06/02/2008
Stack It Up!
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

Students analyze and begin to design a pyramid. Working in engineering teams, they perform calculations to determine the area of the pyramid base, stone block volumes, and the number of blocks required for their pyramid base. They make a scaled drawing of the pyramid using graph paper.

نوع المادة:
Activity/Lab
Lesson Plan
Provider:
درّس الهندسة
Provider Set:
درّس الهندسة
المؤلف:
Denise Carlson
Glen Sirakavit
Gregory Ramsey
Jacquelyn Sullivan
Lawrence E. Carlson
Malinda Schaefer Zarske
Date Added:
09/26/2008
Taking Walks, Delivering Mail: An Introduction to Graph Theory
Conditions of Use:
Remix and Share
Rating

This learning video presents an introduction to graph theory through two fun, puzzle-like problems: ''The Seven Bridges of Konigsberg'' and ''The Chinese Postman Problem''. Any high school student in a college-preparatory math class should be able to participate in this lesson. Materials needed include: pen and paper for the students; if possible, printed-out copies of the graphs and image that are used in the module; and a blackboard or equivalent. During this video lesson, students will learn graph theory by finding a route through a city/town/village without crossing the same path twice. They will also learn to determine the length of the shortest route that covers all the roads in a city/town/village. To achieve these two learning objectives, they will use nodes and arcs to create a graph and represent a real problem.

Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
BLOSSOMS
Karima R. Nigmatulina
Date Added:
06/02/2012
أنماط الجمع
Conditions of Use:
No Strings Attached
Rating

هدف هذه المهمة هي دراسة بعض الأنماط المتكررة في قائمة صغيرة لجدول الجمع. وكل نمط يجري تحديده يثبت أيضًا في القائمة الأكبر وإن كان هناك متسع من الوقت لهذا النشاط، يجب أن نشجع الطلاب على استكشاف هذه الأنماط في القوائم الأكبر. الغرض من هذه المهمة تعليمي. الهدف هو دراسة تركيبة القائمة وربط الأمر بخصائص الجمع

Author:
Michelle Brennan
Pierre Tannous
Date Added:
01/28/2016
النملة والفيل
Conditions of Use:
No Strings Attached
Rating

في هذه المسألة يقارن الطلاب كمية صغيرة جدًا بكمية كبيرة جدًا باستخدام النظام المتري. النظام المتري سهل للتعامل خاصة في مقارنة القياسات باستخدام الكتابة العلمية لأن الوحدات المختلفة في هذا النظام متعلقة بقوى العشرة.

Author:
Michelle Brennan
Pierre Tannous
Date Added:
01/28/2016
بناء نموذج مصغر تقريبي لجسم ما
Conditions of Use:
No Strings Attached
Rating

سيبني الطلاب نماذج من أشياء بحسب اختيارهم، معطينهم مهارات وتدريب في التقنيات المستخدمة من قبل المحترفين. يستخدم الطلاب مسوّدات أثناء بنائهم للأشياء. هذا النشاط ينسق مناقشة عن النماذج المصغرة واسختدامها.

Material Type:
Activity/Lab
Assessment
Lesson Plan
Author:
Michelle Brennan
Pierre Tannous
Date Added:
01/28/2016
يوم حافل
Conditions of Use:
No Strings Attached
Rating

هذه المهمة تشكل مدخلاً جيدًا لتمثيل الكميات في سياقات معينة بواسطة متغيرات وعبارات وبناء معادلات تعكس العلاقات المعروضة في السياق

Material Type:
Activity/Lab
Author:
Michelle Brennan
Pierre Tannous
Date Added:
01/28/2016