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Braking Distance
Conditions of Use:
No Strings Attached
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This task provides an exploration of a quadratic equation by descriptive, numerical, graphical, and algebraic techniques. Based on its real-world applicability, teachers could use the task as a way to introduce and motivate algebraic techniques like completing the square, en route to a derivation of the quadratic formula.

Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
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
Media Construction of the Middle East
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This kit covers stereotyping of Arab people, the Arab/Israeli conflict, the war in Iraq and militant Muslim movements. Students will learn core information and vocabulary about the historical and contemporary Middle East issues that challenge stereotypical, simplistic and uninformed thinking, and political and ethical issues involving the role of media in constructing knowledge, evaluating historical truths, and objectivity and subjectivity in journalism.

نوع المادة:
Activity/Lab
Homework/Assignment
Lesson Plan
القراءة
Teaching/Learning Strategy
وحدة دراسية
Provider:
Ithaca College
Provider Set:
Project Look Sharp
المؤلف:
Sox Sperry & Chris Sperry
Date Added:
04/30/2013
Modeling and Simulation for High School Teachers: Principles, Problems, and Lesson Plans
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Remix and Share
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A collaboration between the National Aeronautics and Space Administration (NASA) and the CK-12 Foundation, this book provides high school mathematics and physics teachers with an introduction to the main principles of modeling and simulation used in science and engineering. An appendix of lesson plans is included.

Material Type:
Lesson Plan
Teaching/Learning Strategy
Textbook
Provider:
CK-12 Foundation
Provider Set:
CK-12 FlexBook
Date Added:
10/24/2012
Using Geometry to Design Simple Machines
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Remix and Share
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This video is meant to be a fun, hands-on session that gets students to think hard about how machines work. It teaches them the connection between the geometry that they study and the kinematics that engineers use -- explaining that kinematics is simply geometry in motion. In this lesson, geometry will be used in a way that students are not used to. Materials necessary for the hands-on activities include two options: pegboard, nails/screws and a small saw; or colored construction paper, thumbtacks and scissors. Some in-class activities for the breaks between the video segments include: exploring the role of geometry in a slider-crank mechanism; determining at which point to locate a joint or bearing in a mechanism; recognizing useful mechanisms in the students' communities that employ the same guided motion they have been studying.

Material Type:
Lecture
Provider:
MIT
Provider Set:
MIT Blossoms
Author:
Daniel D. Frey
MIT BLOSSOMS
Date Added:
06/02/2012
Weed killer
Conditions of Use:
No Strings Attached
Rating

The principal purpose of the task is to explore a real-world application problem with algebra, working with units and maintaining reasonable levels of accuracy throughout.

Material Type:
Activity/Lab
Provider:
Illustrative Mathematics
Provider Set:
Illustrative Mathematics
Author:
Illustrative Mathematics
Date Added:
05/01/2012
Writing Activities
Conditions of Use:
Remix and Share
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FreeReading is an open source instructional program that helps educators teach early literacy. Because it is open source, it represents the collective wisdom of a wide community of teachers and researchers. FreeReading contains Writing Activities, a page of activities to address important writing skills and strategies.

Material Type:
Activity/Lab
Lesson Plan
Reading
Teaching/Learning Strategy
Provider:
Wireless Generation
Provider Set:
FreeReading
Author:
Holt Laurence et al
Date Added:
02/16/2011