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Lesson Plans (5) A detailed description of the instruction for teaching one or more concepts or skills. Teacher Tools (1) An extensive set of online resource tools teachers can use to enhance student learning or increase teacher productivity often useful across grade levels and/or subject areas (Aligned to professional learning standards instead of content standards).


ALEX Lesson Plans


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Subject: Mathematics (8 - 12)
Title: Proofs into Practice: The Pythagorean Theorem in the Real World
Description: The introduction of this lesson has students verifying the famous Pythagorean Theorem with a hands-on proof. Students will then apply the Theorem in one of two ways: by solving for the side lengths of a right triangle and by determining whether three side lengths could possibly form a right triangle. Finally, students will choose one of two real-life applicataions to explore, using the Pythagorean Theorem.


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Subject: Architecture and Construction (9 - 12), or Mathematics (9 - 12)
Title: The Clock Tower-Enhancing mathematics in the career/technical classroom and providing relevance in the mathematics classroom.
Description: This project resulted from the collaboration of a computer aided drafting teacher (pre-engineering), Chris Bond, and a math teacher, Lee Cable, (Hewitt-Trussville High School) to provide higher math expectations in CT and real life application in mathematics. As a hands-on, technology based project this activity demonstrates use of the Pythagorean Theorem, Sine, Cosine and Tangent to find unknown heights of objects and can be adapted for use by the computer aided drafting or mathematics teacher. Clinometers are used as a surveying tool and AutoCAD is used as a drawing tool. Students use a clinometer and a ruler or a tape measure to find and then record the length and angle measurements of a right triangle to determine unknowns. This information is then used to find unknown lengths and angles and to then create a drawing in AutoCAD. Proportion and scale will be used to draw a scale drawing of the clock tower at the new Hewitt-Trussville High School. In the mathematics classroom, students will produce scale drawings using graph paper instead of AutoCAD.  This lesson will need to be adapted for use by other schools by selecting a different building structure for measure. 


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Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: I Can Determine The Height Of A Rocket!
Description: The lesson is intended to give students a fun real-world experience in applying their math skills. They will use trigonometric ratios to calculate heights of tall structures. They will also use the Internet to convert their calculations from standard to metric units and visa versa.


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Subject: Mathematics (9 - 12)
Title: How tall is the school's flagpole?
Description: The purpose of this lesson is to help students apply math concepts concerning similar triangles and trigonometric functions to real life situations. The students learn how to take these concepts and use them to find measurements of objects that they are unable to measure in conventional ways.


Thinkfinity Lesson Plans


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Subject: Mathematics
Title: On Top of the World     
Description: If you were standing on the top of Mount Everest, how far would you be able to see to the horizon? In this lesson, students will consider two different strategies for finding an answer to this question. The first strategy is algebraic-students use data about the distance to the horizon from various heights to generate a rule. The second strategy is geometric-students use the radius of the Earth and right triangle relationships to construct a formula. Then, students compare the two different rules based on ease of use as well as accuracy.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



Web Resources


Podcasts


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The Pythagorean Theorem TV
http://www.mathtv.co...
This website shows videos to help students and teachers understand the Pythagorean Theorem.

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Pythagorean Theorem Rap Song
http://www.flocabula...
This video puts the Pythagorean theorem in real-world terms, helping students visualize examples in which the formula comes into play. The professionally produced music and video is highly engaging for students. For teachers, there are links to song lyrics, activities, and questions. Many Flocabulary videos are only accessible through a paid subscription. *This particular video is available for free and without the need for an account sign-up.

Teacher Tools


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The Pythagorean Theorem TV
http://www.mathtv.co...
This website shows videos to help students and teachers understand the Pythagorean Theorem.

Alabama Virtual Library
Alabama Virtual Library

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The University of Alabama at Birmingham
The University of Alabama at Birmingham
The Malone Family Foundation
The Malone Family Foundation
Thinkfinity
Thinkfinity
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