نتائج البحث (37)

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المعادلات والمتباينات والمقادير الجبرية
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يدور هذا الدرس حول محاولة جعل الطلاب يقيمون روابط بين الأفكار عن المعادلات والمتباينات والمقادير الجبرية. علماً بأن الدرس مصمم ليمنح الطلاب فرص استخدام المفردات الرياضية لغرض الوصف والمناقشة والعمل مع سلاسل الرموز هذه. وتهدف الفكرة إلى بدء الطلاب في تحصيل المعلومة الشاملة بالنظر إلى كامل سلسلة الأعداد بدلاً من التفكير فقط في إجراءات أو خطوات فردية. ومن المأمول أن يبدأ الطلاب في رؤية سلاسل الرموز كأغراض رياضية لها مجموعتها الفريدة من الصفات الخاصة بها. (رياضيات الصف السابع)

الموضوع:
علم الجبر
الأعداد والعمليات الحسابية
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Disston, Jacob
Date Added:
11/30/2011
Are Random Triangles Acute or Obtuse?
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This learning video deals with a question of geometrical probability. A key idea presented is the fact that a linear equation in three dimensions produces a plane. The video focuses on random triangles that are defined by their three respective angles. These angles are chosen randomly subject to a constraint that they must sum to 180 degrees. An example of the types of in-class activities for between segments of the video is: Ask six students for numbers and make those numbers the coordinates x,y of three points. Then have the class try to figure out how to decide if the triangle with those corners is acute or obtuse.

Subject:
Geometry
Statistics and Probability
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Gilbert Strange
Date Added:
06/02/2012
المساحة والمحيط
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يستند هذا الدرس على نتائج مهمة الأداء الذي أدركنا منه أن فهم الطلاب للمساحة والمحيط كانت معظمها إجرائية. لذلك كان الغرض من هذا الدرس إعادة الانخراط لمعالجة المفاهيم الخاطئة لدى الطالب وتعميق فهم الطلاب للمساحة والمحيط. ان المعايير التي تم تناولها في هذا الدرس تنطوي على إيجاد محيط ومساحة الأشكال المختلفة، وإيجاد المحيط عند إعطاء مساحة ثابتة، واستخدام الصيغة في سياق عملي. وشملت التحديات التي تواجه طلابنا فك رموز اللغة في المشكلة واثبات طريقة تفكيرهم. (الصف 7 الرياضيات)

الموضوع:
الرياضيات
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Villarin, Antoinette
Date Added:
11/30/2011
فن التقريب في العلوم والهندسة: كيف تخرج بالإجابات سريعاً؟
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الغرض من هذا الفيديو التعليمي هو أن يرى الطلاب كيفية التفكير بتحرر أكبر حول مسائل الرياضيات والعلوم. فأحياناً يكون الحصول على إجابة تقريبية في مدة زمنية أقصر بكثير هو أمر يستحق الوقت الذي تم ادخاره. ويستكشف هذا الفيديو آليات لعمل حسابات تقريبية سريعة وارتجالية، وليست فقط دقيقة على نحو مدهش وإنما أيضاً منيرة لبناء الحدس والبديهة في فهم العلوم. ويتطرق هذا الفيديو إلى الجبر 1 الخاص بالصف العاشر وكذلك إلى فيزياء أولى ثانوي، إلا أن المفاهيم التي يغطيها (السرعة، المسافة، الكتلة، إلخ) أساسية بشكل كافي ليفهمها الطلاب الأصغر سناً الذين لديهم معرفة بالعلوم. وفي حالة الرغبة، يمكن للمعلمين أن يحضروا بندولات ذات أطوال مختلفة، وأثقال للتعليق، وساعة مؤقت لقياس المدة الزمنية. ومن الأمثلة على أنواع التمارين داخل الفصل المدرسي خلال الفترات الفاصلة بين مقاطع الفيديو، أن: تطلب من الطلاب تقدير حاصل ضرب 29 x 31 دون آلة حاسبة أو ورقة وقلم؛ وكذلك تسأل الطلاب عن المقدار الذي يستطيعون فيه الاقتراب من الثقب الأسود دون أن يبتلعهم.

الموضوع:
الهندسة
علم الجبر
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Stephen M. Hou
Date Added:
06/02/2015
The Art of Approximation in Science and Engineering: How to Whip Out Answers Quickly
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The purpose of this learning video is to show students how to think more freely about math and science problems. Sometimes getting an approximate answer in a much shorter period of time is well worth the time saved. This video explores techniques for making quick, back-of-the-envelope approximations that are not only surprisingly accurate, but are also illuminating for building intuition in understanding science. This video touches upon 10th-grade level Algebra I and first-year high school physics, but the concepts covered (velocity, distance, mass, etc) are basic enough that science-oriented younger students would understand. If desired, teachers may bring in pendula of various lengths, weights to hang, and a stopwatch to measure period. Examples of in- class exercises for between the video segments include: asking students to estimate 29 x 31 without a calculator or paper and pencil; and asking students how close they can get to a black hole without getting sucked in.

Subject:
Engineering
Algebra
Numbers and Operations
Physics
Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
Stephen M. Hou
Date Added:
06/02/2012
Art of the Islamic World
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Read the Fine Print
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This course serves as an introduction to the pre-modern Islamic artistic traditions of the Mediterranean, Near East, and Central and South Asia. It surveys core Islamic beliefs, the basic characteristics of Islamic art and architecture, and art and architecture created under each dynasty and ruling party. Upon successful completion of this course, the student will be able to: identify the core beliefs of Islam, the major characteristics of Islamic art, and the major forms of Islamic architecture; identify major pre-modern Islamic works of art and monuments from the Middle East, Northern Africa, Spain, and South Asia; explain how the core beliefs of Islam contributed to the basic characteristics of Islamic art and architecture and the secular art works and architecture of the Islamic world; identify the succeeding dynasties that ruled the Islamic world; explain the important role that the patronage of art and architecture had played in definitions of kingship. (Art History 303)

Subject:
Art History
World Cultures
Material Type:
Assessment
Full Course
Homework/Assignment
Lecture
Lecture Notes
Reading
Syllabus
Provider:
The Saylor Foundation
Date Added:
11/10/2011
The Broken Stick Experiment: Triangles, Random Numbers and Probability
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This learning video is designed to develop critical thinking in students by encouraging them to work from basic principles to solve a puzzling mathematics problem that contains uncertainty. Materials for in-class activities include: a yard stick, a meter stick or a straight branch of a tree; a saw or equivalent to cut the stick; and a blackboard or equivalent. In this video lesson, during in-class sessions between video segments, students will learn among other things: 1) how to generate random numbers; 2) how to deal with probability; and 3) how to construct and draw portions of the X-Y plane that satisfy linear inequalities.

Subject:
Measurement and Data
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Richard C. Larson
Date Added:
10/31/2014
هل يمكن التنبؤ بالزلازل؟
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يستخدم هذا الفيديو التعليمي نظام تناظري بسيط لاستكشاف السبب في كون الزلازل لا يمكن التنبؤ بها. والنظام بسيط بشكل كافي يسمح للطلاب بتجميعه وتشغيله بأنفسهم تحت إشراف المعلم. علماً بأن المقاربة التدريسية المستخدمة في هذه الوحدة تُعرف باسم مقاربة المهام الخمسة، ألا وهي: الاشتراك والاستكشاف والشرح والاسهاب والتقييم. وعلى مدار هذا الدرس، يتم شرح وتفسير الآليات الأساسية التي تثير سلوك هذا النظام التناظري البسيط، ويتم تقديم المزيد من الشرح لمساعدة الطلاب على تطبيق فهمهم للنظام التناظري على أنظمة الخطأ المعقدة التي تُحدِث الزلازل

الموضوع:
علم طبقات الأرض
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Zach Adam
Date Added:
06/11/2012
Catalytic Converter
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This video lesson aims to motivate students about chemistry and to raise their awareness about how chemistry helps in solving certain environmental problems. In this lesson, the air pollution problem created by cars and other vehicles is presented. The lesson will highlight causes of this problem, harmful products from it and possible solutions. There will also be discussion of ways to convert the pollutants produced by burning oil in vehicles into more friendly products.

Subject:
Environmental Science
Chemistry
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Prof. Mohammad El-Khateeb
Date Added:
06/11/2012
Classifying Animals by Appearance Versus DNA Sequence
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The topic of this video module is how to classify animals based on how closely related they are. The main learning objective is that students will learn how to make phylogenetic trees based on both physical characteristics and on DNA sequence. Students will also learn why the objective and quantitative nature of DNA sequencing is preferable when it come to classifying animals based on how closely related they are. Knowledge prerequisites to this lesson include that students have some understanding of what DNA is and that they have a familiarity with the base-pairing rules and with writing a DNA sequence.

Subject:
Biology
Genetics
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Megan E. Rokop
Date Added:
06/11/2012
Comparing Linear Functions
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The foundation of this lesson is constructing, communicating, and evaluating student-generated tables while making comparisons between three different financial plans. Students are given three different DVD rental plans and asked to analyze each one to see if they could determine when the 3 different DVD plans cost the same amount of money, if ever. (7th/8th Grade Math)

الموضوع:
علم الجبر
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Dimas, Cecilio
Date Added:
11/30/2011
Discovering Medicines, Using Robots and Computers
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Scientists who are working to discover new medicines often use robots to prepare samples of cells, allowing them to test chemicals to identify those that might be used to treat diseases. Students will meet a scientist who works to identify new medicines. She created free software that ''looks'' at images of cells and determines which images show cells that have responded to the potential medicines. Students will learn about how this technology is currently enabling research to identify new antibiotics to treat tuberculosis. Students will complete hands-on activities that demonstrate how new medicines can be discovered using robots and computer software, starring the student as ''the computer.'' In the process, the students learn about experimental design, including positive and negative controls.

Subject:
Biology
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Anne Carpenter
Date Added:
05/07/2015
الهندسة الكسيرية والمعادلات التفاضلية الرائعة
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يقوم هذا الفيديو التعليمي بتعريف الطلاب على عالم الهندسة الكسيرية من خلال استخدام المعادلات التفاضلية. وكشرط مسبق لهذا الدرس، سيحتاج الطلاب إلى عامين من دراسة جبر المرحلة الثانوية (بحيث يكونوا مرتاحين مع معادلات المتغير الواحد)، وكذلك إلى دافع لتعلم الحسابيات المعقدة الأساسية. وقد قامت الآنسة زاجر بتضمين شرح تقديمي كامل حول الحسابيات المعقدة بالإضافة إلى فروض منزلية متاحة هنا للتنزيل. كذلك متاح تنزيل بعض مسائل التحدي الإضافية. علماً بأن الوقت اللازم لإكمال الدرس الأساسي هو ساعة تقريباً، والمواد المطلوبة تشمل: سبورة ومكان للطلاب ليعملوا في مجموعات صغيرة. وخلال أقسام هذا الدرس التفاعلي داخل الفصل، سيقوم الطلاب بالتفكير المكثف حول محصلة لعبة الفوضى، ويمارسوا حساب مسارات معادلات مختلفة.

الموضوع:
هندسة الشكل
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Laura Zager
Date Added:
07/12/2014
Fabulous Fractals and Difference Equations
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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.

Subject:
Geometry
Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
Laura Zager
Date Added:
06/02/2012
Finding the Intersection
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In this Cyberchase video, Inez and Digit identify the location of the transformation using their knowledge of parallel and intersecting lines.

Subject:
Mathematics
Geometry
Material Type:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media Common Core Collection
Teachers' Domain
Author:
U.S. Department of Education
WNET
Date Added:
07/10/2008
عيوب المتوسطات
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يمكن إعادة ترتيب المحتوى ومشاركته
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يعرض هذا الفيديو التعليمي مقدمة للعيوب التي تشوب المتوسطات باستخدام ثلاثة أمثلة مثيرة: '' عبور النهر'' كمثال، ملف تعريف الارتباط'''' كمثال، "فصل الرقص'' كمثال. ان المتوسطات غالبا ما تكون مفيدة عند تمثيل مجموعة من البيانات من قبل رقم وصفي واحد. ان الهدف من هذه الوحدة النمطية، مع ذلك، هو الاشارة ببساطة إلى عدد قليل من العثرات التي قد تنجم إذا لم يكن الطالب يقظا إلى التفاصيل عند حساب وتفسير المتوسطات. ان المعرفة الأساسية المسبقة لدرس الفيديو هو القدرة على حساب المتوسط ​​من مجموعة من الأرقام. سوف يتعلم الطلاب خلال الدرس الفيديو، ثلاثة شوائب للمتوسطات: (1) ان المتوسط ​​ليس دائما وصفا جيدا للوضع الفعلي، (2) ان وظيفة المتوسط ليست دائما مماثلة لمتوسط الدالة، و (3) يعتمد المتوسط على المنظور الخاص بك. لنقل هذه المفاهيم، يتم تعريف الطلاب بأمثلة العالم الحقيقي الثلاثة المذكورة أعلاه.

الموضوع:
التعليم
الرياضيات
الأعداد والعمليات الحسابية
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Daniel Livengood
MIT BLOSSOMS
Rhonda Jordan
Date Added:
06/02/2012
Flu Math Games
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This video lesson shows students that math can play a role in understanding how an infectious disease spreads and how it can be controlled. During this lesson, students will see and use both deterministic and probabilistic models and will learn by doing through role-playing exercises. The primary exercises between video segments of this lesson are class-intensive simulation games in which members of the class 'infect' each other under alternative math modeling assumptions about disease progression. Also there is an occasional class discussion and local discussion with nearby classmates.

Subject:
Biology
Sociology
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Mai Perches
Richard C. Larson
Sahar Hashmi
Date Added:
07/12/2014
Flu Math Games
Conditions of Use:
Remix and Share
Rating

This video lesson shows students that math can play a role in understanding how an infectious disease spreads and how it can be controlled. During this lesson, students will see and use both deterministic and probabilistic models and will learn by doing through role-playing exercises. The primary exercises between video segments of this lesson are class-intensive simulation games in which members of the class 'infect' each other under alternative math modeling assumptions about disease progression. Also there is an occasional class discussion and local discussion with nearby classmates.

Subject:
Biology
Sociology
Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
Mai Perches
Richard C. Larson
Sahar Hashmi
Date Added:
06/02/2012
Free Fall
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This video lesson is an example of ''teaching for understanding'' in lieu of providing students with formulas for determining the height of a dropped (or projected) object at any time during its fall. The concept presented here of creating a chart to organize and analyze data collected in a simple experiment is broadly useful. During the classroom breaks in this video, students will enjoy timing objects in free fall and balls rolling down ramps as a way of learning how to carefully conduct experiments and analyze the results. The beauty of this lesson is the simplicity of using only the time it takes for an object dropped from a measured height to strike the ground. There are no math prerequisites for this lesson and no needed supplies, other than a blackboard and chalk. It can be completed in one 50-60-minute classroom period.

Subject:
Physics
Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
John Bookston
Date Added:
06/02/2012
General Chemistry I
Conditions of Use:
Read the Fine Print
Rating

This survey chemistry course is designed to introduce students to the world of chemistry. In this course, we will study chemistry from the ground up, learning the basics of the atom and its behavior. We will apply this knowledge to understand the chemical properties of matter and the changes and reactions that take place in all types of matter. Upon successful completion of this course, students will be able to: Define the general term 'chemistry.' Distinguish between the physical and chemical properties of matter. Distinguish between mixtures and pure substances. Describe the arrangement of the periodic table. Perform mathematical operations involving significant figures. Convert measurements into scientific notation. Explain the law of conservation of mass, the law of definite composition, and the law of multiple proportions. Summarize the essential points of Dalton's atomic theory. Define the term 'atom.' Describe electron configurations. Draw Lewis structures for molecules. Name ionic and covalent compounds using the rules for nomenclature of inorganic compounds. Explain the relationship between enthalpy change and a reaction's tendency to occur. (Chemistry 101; See also: Biology 105. Mechanical Engineering 004)

Subject:
Chemistry
Material Type:
Assessment
Full Course
Homework/Assignment
Lecture
Lecture Notes
Reading
Syllabus
Textbook
Provider:
The Saylor Foundation
Date Added:
11/16/2011
Guess the Last Ball
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This video lesson uses the technique of induction to show students how to analyze a seemingly random occurrence in order to understand it through the development of a mathematical model. Using the medium of a simple game, Dr. Lodhi demonstrates how students can first apply the 'rules' to small examples of the game and then, through careful observation, can begin to see the emergence of a possible pattern. Students will learn that they can move from observing a pattern to proving that their observation is correct by the development of a mathematical model. Dr. Lodhi provides a second game for students in the Teacher Guide downloadable on this page. There are no prerequisites for this lesson and needed materials include only a blackboard and objects of two different varieties - such as plain and striped balls, apples and oranges, etc. The lesson can be completed in a 50-minute class period.

Material Type:
Lecture
Provider:
MIT Learning International Networks Consortium
Provider Set:
M.I.T. Blossoms
Author:
Fakhar Lohdi
Date Added:
06/02/2012
Ilkhanid Mihrab
Conditions of Use:
Remix and Share
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This art history video discussion examines the "Mihrab" (prayer niche), 1354--55 (A.H. 755), just after the Ilkhanid period, Isfahan, Iran, polychrome glazed tiles, 135-1/16 x 113-11/16 inches / 343.1 x 288.7 cm (Metropolitan Museum of Art, New York).

Subject:
Arts and Humanities
Art History
Literature
Material Type:
Diagram/Illustration
Lecture
Provider:
Khan Academy
Provider Set:
Smarthistory
Author:
Beth Harris
Steven Zucker
Date Added:
11/16/2012
هل الأكبر أفضل؟ إلقي نظرة على التحيز في الاختيارالموجود في كل مكان حولنا
Conditions of Use:
يمكن إعادة ترتيب المحتوى ومشاركته
Rating

يتناول هذا الفيديو التعليمي مشكلة معينة من التحيز في الاختيار، هي وجود التحيز الإحصائي حيث يوجد خطأ في اختيار الأفراد أو الجماعات لإجراء استدلالات أوسع. بدلا من الخوض في هذا الموضوع العريض عبر الإحصاءات الرسمية، نحن نحقق في كيفية ظهورها في حياتنا اليومية، أحيانا تشويه تصوراتنا عن الناس , الأماكن والأحداث، ما لم نكن حذرين. عند اختيار الناس عشوائيا من مجموعتين من أحجام مختلفة، أغلب الذين تم انتقاؤهم عادة ما يأتون من المجموعة الأكبر. هذا يعني أننا سنسمع أكثر عن تجربة المجموعة الأكبر عن المجموعة الأصغر. هذا ليس دوما أمرا سيئا، ولكنه ليس دوما أمرا جيدا على حد سواء. لأن الجماعات الكبيرة'' تتحدث بصوت أعلى،'' علينا أن نكون حذرين عندما نكتب الصيغ الرياضية حول ما حدث في المجموعتين. نحن نفكر بهذه المسألة في هذا الفيديو، مع أمثلة تنطوي مسارح وحافلات، وليمون. ان الشرط الأساسي لهذا الدرس بالفيديو هو الإلمام بالجبر. سيستغرق حوالي ساعة واحدة ليكتمل، والمواد الوحيدة المطلوبة هي السبورة والطباشير.

الموضوع:
التعليم
الرياضيات
علم الإجتماع
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Anna Teytelman
Arnold Barnett
MIT BLOSSOMS
Date Added:
06/02/2012
Methods for Protein Purification
Conditions of Use:
Remix and Share
Rating

This Protein Purification video lesson is intended to give students some insight into the process and tools that scientists and engineers use to explore proteins. It is designed to extend the knowledge of students who are already somewhat sophisticated and who have a good understanding of basic biology. The question that motivates this lesson is, ''what makes two cell types different?'' and this question is posed in several ways. Such scientific reasoning raises the experimental question: how could you study just a subset of specialized proteins that distinguish one cell type from another? Two techniques useful in this regard are considered in the lesson.

Subject:
Biology
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Natalie Kuldell, PhD
Date Added:
06/16/2015
Multiple Representations of Numeric Patterning
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

This lesson is a re-engagement lesson designed for learners to revisit a problem-solving task they have already experienced. Students will activate prior knowledge of graphical representations through the 'what's my rule' number talk; compare and contrast two different learners' interpretations of the growing pattern; use multiple representations to demonstrate how one of these learners would represent the numeric pattern; make connections between the different representations to more critically compare the two interpretations. (5th/6th Grade Math)

الموضوع:
الأعداد والعمليات الحسابية
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Dickinson, Fran
Date Added:
11/30/2011
The Physics of Pool
Conditions of Use:
يمكن إعادة ترتيب المحتوى ومشاركته
Rating

The objective of this lesson is to illustrate how a common everyday experience (such as playing pool) can often provide a learning moment. In the example chosen, we use the game of pool to help explain some key concepts of physics. One of these concepts is the conservation of linear momentum since conservation laws play an extremely important role in many aspects of physics. The idea that a certain property of a system is maintained before and after something happens is quite central to many principles in physics and in the pool example, we concentrate on the conservation of linear momentum. The latter half of the video looks at angular momentum and friction, examining why certain objects roll, as opposed to slide. We do this by looking at how striking a ball with a cue stick at different locations produces different effects.

الموضوع:
هندسة الشكل
الفيزياء
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Joseph A. Formaggio
Date Added:
06/02/2012
Properties of Quadrilaterals
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

This lesson is about properties of quadrilaterals and learning to investigate, formulate, conjecture, justify, and ultimately prove mathematical theorems. Students will: Analyze characteristics and properties of two- and three-dimensional geometric shapes; develop mathematical arguments about geometric relationships; and apply appropriate techniques, tools, and formulas to determine measurements.Explore relationships among classes of two- and three-dimensional geometric objects, make and test conjectures about them, and solve problems involving them. Employ forms of mathematical reasoning and proof appropriate to the solution of the problem at hand, including deductive and inductive reasoning, making and testing conjectures, and using counter examples and indirect proof. Identify, formulate and confirm conjectures. Establish the validity of geometric conjectures using deduction, prove theorems, and critique arguments made by others. (9th/10th Grade Math)

الموضوع:
علم الجبر
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Humphreys, Cathy
Date Added:
11/30/2011
Proportions and Ratios
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

This lesson is about ratios and proportions using candy boxes as well as a recipe for making candy as situations to be considered. It addresses many Mathematical Reasoning standards and asks students to: Use models to understand fractions and to solve ratio problems; think about a ratio as part/part model and to think about the pattern growing in equal groups or a unit composed of the sum of the parts; find a scale factor and apply it to a ratio. (5th Grade Math)

الموضوع:
Ratios and Proportions
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Lewis-Wolfsen, Hillary
Date Added:
11/30/2011
Pythagoras and the Juice Seller
Conditions of Use:
Remix and Share
Rating

This video lesson presents a real world problem that can be solved by using the Pythagorean theorem. The problem faces a juice seller daily. He has equilateral barrels with equal heights and he always tries to empty the juice of two barrels into a third barrel that has a volume equal to the sum of the volumes of the two barrels. This juice seller wants to find a simple way to help him select the right barrel without wasting time, and without any calculations - since he is ignorant of Mathematics. The prerequisite for this lesson includes knowledge of the following: the Pythagorean theorem; calculation of a triangles area knowing the angle between its two sides; cosine rule; calculation of a circle's area; and calculation of the areas and volumes of solids with regular bases.

Subject:
Geometry
Measurement and Data
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Ghada Sulaiman Abdullah Marmash
Date Added:
06/02/2012
الدوال التربيعية
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

This lesson focuses on students making decisions about what tools to apply to solve different problems related to quadratic expressions and equations. It is also intended to build awareness of the form an answer will take in order to help students make sense of the kind of problem they are solving. (9th/10th/11th Grade Math)

الموضوع:
علم الجبر
نوع المادة:
Activity/Lab
Lecture
Lesson Plan
Teaching/Learning Strategy
Provider:
Noyce Foundation
Provider Set:
في قلب الرياضيات
المؤلف:
Shreve, Barbara
Date Added:
11/30/2011
Roots, Shoots, and Wood
Conditions of Use:
Remix and Share
Rating

The topic of photosynthesis is a fundamental concept in biology, chemistry, and earth science. Educational studies have found that despite classroom presentations, most students retain their naive idea that a plant's mass is mostly derived from the soil, and not from the air. To call students' attention to this misconception, at the beginning of this lesson we will provide a surprising experimental result so that students will confront their mental mistake. Next, we will help students better envision photosynthesis by modeling where the atoms come from in this important process that produces food for the planet. This lesson can be completed in 50-60 minutes, with the students working on in-class activities during 20-25 minutes of the lesson. As a prerequisite, students need an introductory lesson on photosynthesis, something that includes the overall chemical equation. If students have already studied the intracellular photosynthetic process in detail, this video can still be very helpful because students often miss the big picture about photosynthesis. Materials needed include red, white and black LEGO bricks (described in downloadable hand-out) or strips of red, white and black paper plus paper clips (directions provided in downloadable hand-out). In addition to class discussions, the major in-class activity of this video involves the students' modeling with LEGO bricks or colored paper where the atoms come from in photosynthesis.

Subject:
Botany
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Kathleen M. Vandiver
Date Added:
09/09/2015
Sets, Counting, and Probability
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

This online math course develops the mathematics needed to formulate and analyze probability models for idealized situations drawn from everyday life. Topics include elementary set theory, techniques for systematic counting, axioms for probability, conditional probability, discrete random variables, infinite geometric series, and random walks. Applications to card games like bridge and poker, to gambling, to sports, to election results, and to inference in fields like history and genealogy, national security, and theology. The emphasis is on careful application of basic principles rather than on memorizing and using formulas.

الموضوع:
الأعداد والعمليات الحسابية
نوع المادة:
Homework/Assignment
Lecture
القراءة
Provider:
جامعة هارفرد
Provider Set:
مدرسة هارفرد إكستنشن
المؤلف:
Paul G. Bamberg
Date Added:
01/09/2013
Sustainable Energy: Can Water be the Future Fuel?
Conditions of Use:
Remix and Share
Rating

The main objective of this video lesson is to bring the students' attention to the importance of basic and natural sciences in our lives. The lesson will introduce a topic (sustainable energy) that is related mainly to chemistry and is not usually covered directly in a high school curriculum. We hope that this lesson will show students how important and useful the natural and basic sciences are not only for our daily lives, but also for sustainable development. The lesson will present creative and challenging ideas on the topic of alternative energies. It is hoped that students will be inspired by the introduction of these ideas, and that they will develop the confidence to come up with creative ideas themselves. Background for this lesson is based on fundamental concepts in chemistry (mainly), biology, physics and environmental science.

Subject:
Environmental Science
Chemistry
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Ahmad Al-Ajlouni
Date Added:
05/07/2015
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.

Subject:
Education
Mathematics
Measurement and Data
Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
BLOSSOMS
Karima R. Nigmatulina
Date Added:
06/02/2012
استخدام علم الهندسة لتصميم آلات بسيطة
Conditions of Use:
يمكن إعادة ترتيب المحتوى ومشاركته
Rating

يهدف هذا الفيديو لتحقيق المتعة، التدريب العملي على الدورة التي تحفز الطلاب على التفكير مليا في طريقة عمل الآلات. إنها تعلمهم الصلة بين الهندسة التي يدرسونها والحركيات التي يستخدمها المهندسون - توضح أن الحركيات هي ببساطة علم الهندسة في الحركة. في هذا الدرس، سيتم استخدام علم الهندسة على نحو لم يعتاده الطلاب. ان المواد الضرورية للتدريب العملي على الأنشطة تشمل خيارين: مسند، مسامير/براغي وفأس صغيرة؛ أو ورقة بناء ملونة، مسامير تثبيت الورق والمقصات. تشمل بعض الأنشطة المدرسية في فترات الراحة الموجودة بين مقاطع الفيديو: استكشاف دور علم الهندسة في آلية مقاوم مجزيء الجهد الانزلاقي؛ تحديد عند أي نقطة يمكن تحديد موقع الوصلة أو الحاملة في الآلية؛ ادراك الآليات المفيدة في مجتمعات الطلاب التي توظف نفس الحركة الموجهة التي كانوا يدرسونها.

الموضوع:
الهندسة
التعليم
الرياضيات
هندسة الشكل
الفيزياء
نوع المادة:
Lecture
Provider:
MIT
Provider Set:
أزهار معهد ماساتشوستس للتكنولوجيا MIT
المؤلف:
Daniel D. Frey
MIT BLOSSOMS
Date Added:
06/02/2012
Wallpaper Tessellations
Conditions of Use:
قراءة النص المطبوع بخط رفيع
Rating

In this video segment from Cyberchase, Harry uses tessellations to wallpaper his apartment. ***Access to Teacher's Domain content now requires free login to PBS Learning Media.

الموضوع:
الرياضيات
هندسة الشكل
نوع المادة:
Lecture
Provider:
PBS LearningMedia
Provider Set:
PBS Learning Media: Multimedia Resources for the Classroom and Professional Development
مجال المعلمين
المؤلف:
U.S. Department of Education
WNET
Date Added:
09/22/2008