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 Lesson Plans (6) Learning Activities (2)

## ALEX Lesson Plans

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Subject: Mathematics (9 - 12)
Title: Trigonometric Art
Description: Students will investigate and analyze the effects of parameter changes on a trinometric function using a graphing calculator. Students will be able to create their own trigonometric art using sine, cosine, and tangent functions.

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Subject: Mathematics (9 - 12)
Title: Traveling Around The Unit Circle
Description: This lesson is intended to review the key ideas associated with trigonometric functions.The design of this lesson provides a collection of reproducible activities to be used in a classroom setting where students have varied backgrounds / experience with trigonometric functions.

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Subject: Arts Education (7 - 12), or Mathematics (9 - 12)
Title: Graphing at all levels: It’s a beautiful thing!
Description: This lesson addresses the societal issue of the arts being eliminated in many public schools be employing graphs (at any level) as an artistic media. Review of all types of graphs is included through various interactive websites.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

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Subject: Mathematics (9 - 12)
Title: "Woody Sine"
Description: The students will discover the shape of the sine function without creating a t-chart. The students will create a sine function using toothpicks. The students will then discover how the amplitude (height) and the period (number of compete waves) change when the basic graph created from the broken tooth picks was changed. This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.

## Thinkfinity Lesson Plans

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Subject: Mathematics,Science
Title: Do You Hear What I Hear?
Description: In this lesson, from Illuminations, students explore the dynamics of a sound wave. Students use an interactive Java applet to view the effects of changing the initial string displacement and the initial tension.
Thinkfinity Partner: Illuminations

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Subject: Arts,Mathematics
Title: Hearing Music, Seeing Waves
Description: This reproducible pre-activity sheet, from an Illuminations lesson, presents summary questions about the mathematics of music, specifically focused on sine waves and the geometric sequences of notes that are an octave apart.
Thinkfinity Partner: Illuminations

## Thinkfinity Learning Activities

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Subject: Mathematics
Title: Trigonometric Graphing
Description: This student interactive from Illuminations allows students to graph trigonometric functions. Parameters that affect the amplitude, period, and phase shift of the function can be manipulated.
Thinkfinity Partner: Illuminations