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Lessons Using Lite Applets
by Suzanne Alejandre

The following lessons were written making use of Lite applets. If you use any of these lessons with students, I am interested in receiving feedback. Please use the form at the bottom of this page or e-mail your comments to me.
Thank you!
Suzanne
Lessons using the Image_and_Cursor applet
How Far Between Cities?
Part I is a step-by-step activity encouraging students to "see" how an applet can be used to form a right triangle on a map. Part II shows students how to apply the Pythagorean Theorem to calculate the distance between two points on a map.
Teacher Lesson Plan: Part I and Part II || Student Page: Part I and Part II || Applet Page

Suggestions for Finding Maps
Four possible sources of maps are explained so that teachers can find local maps.
Directions

How to Change Maps/Photos
A "how-to" for changing the current map or portrait photo to one of your choosing.
Directions

How Much Wider is a Smile?
Students use the coordinate system to determine the percentage increase of a smiling mouth from a resting mouth.
Teacher Lesson Plan || Student Page || Applet Page

How "Phi" Is My Face?
Students use the coordinate system to determine the ratios of certain face measurements.
Teacher Lesson Plan || Student Page || Applet Page

Lessons using the Parameter_Plane applet
Exploring Roots of a Quadratic Equation
Students view the graph of the quadratic equation, x^2 + x - 6 and they are able to manipulate a second graph of x^2 - bx + a on the same plane. Explorations include identifying the roots, the connection between the graph and factoring, etc.
Teacher Lesson Plan || Student Activity || Applet

Exploring Parabolas
Students match six quadratic equations to one of six graphs of parabolas.
Teacher Lesson Plan || Student Activity || Applet I || Applet II

Feedback
Name:
E-mail address:
Lesson/activity that you used: How Far Between Cities?
Suggestions for Finding Maps
How to Change Maps/Photos
How Much Wider is a Smile?
How "Phi" Is My Face?
Exploring Roots of a Quadratic Equation
Exploring Parabolas
Grade level: 6th 7th 8th 9th 10th 11th 12th other
Note:

Send questions or comments to: Suzanne Alejandre

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