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Lesson Plans (4) A detailed description of the instruction for teaching one or more concepts or skills.


ALEX Lesson Plans


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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: Covering the Plane with Rep-Tiles     
Description: In this lesson, from Illuminations, students discover and explore a special kind of tiling of the plane. Rep-tiles are geometric figures such that n copies can fit together to form a larger, similar figure. Students experiment with various shapes and values of n. Spatial sense is encouraged by the need to visualize and perform transformations with the shapes involved.
Thinkfinity Partner: Illuminations
Grade Span: 3,4,5,6,7,8



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Subject: Mathematics
Title: Relating Rotations to Symmetry     
Description: In this lesson, one of a multi-part unit from Illuminations, students investigate the relationship between rotations and the symmetry in a figure or a design. They use an interactive Java applet to illustrate rotational symmetry and investigate cyclic designs and point symmetry.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



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Subject: Mathematics
Title: Symmetries II     
Description: In this unit of four lessons, from Illuminations, students use Java applets to investigate reflection, mirror, or bilateral symmetry. They learn about the mathematical properties of mirror symmetry and have a chance to create designs with mirror symmetry.
Thinkfinity Partner: Illuminations
Grade Span: 9,10,11,12



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