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Lesson Plans (1) A detailed description of the instruction for teaching one or more concepts or skills. Learning Activities (2) Any activity that would enhance a lesson or unit in order to help the learner master an objective 
                                                                and/or acquire a skill.  Examples include, but are not limited to, online tutorials, experiments, 
                                                                demonstrations, and hands-on activities.


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.


Thinkfinity Learning Activities


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Subject: Mathematics
Title: Understanding the Pythagorean Relationship Using Interactive Figures     
Description: The Pythagorean relationship, a2 + b2 = c2 (where a and b are the lengths of the legs of a right triangle and c is the hypotenuse), can be demonstrated in many ways, including with visual 'proofs' that require little or no symbolism or explanation. The activity in this example from Illuminations presents one dynamic version of a demonstration of this relationship. e-Math Investigations are selected e-examples from the electronic version of the Principles and Standards of School Mathematics (PSSM). The e-examples are part of the electronic version of the PSSM document. Given their interactive nature and focused discussion tied to the PSSM document, the e-examples are natural companions to the i-Math investigations.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8



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Subject: Mathematics
Title: Proof Without Words: Pythagorean Theorem     
Description: In this student interactive, from Illuminations, students watch a dynamic, geometric '' proof without words'' of the Pythagorean Theorem. By clicking on a button, students can see the theorem in action; they are then challenged to explain the proof.
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8



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