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 Lesson Plans (3)

## ALEX Lesson Plans

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Subject: Mathematics (9 - 12), or Technology Education (9 - 12)
Title: Parallel Photography
Description: Students will use laptops and digital cameras to understand parallel lines, corresponding angles, alternate interior angles, alternate exterior angles, and same-side (consecutive) interior angles.  Poster-size concept maps will be created by students and posted on the classroom "word wall."

## Thinkfinity Lesson Plans

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Subject: Mathematics,Social Studies
Title: Hospital Map Activity Sheet
Description: This student reproducible, from an Illuminations lesson, contains a map of the area wherein students must choose a location to build a new hospital so it is equidistant from Boise, Idaho; Helena, Montana; and Salt Lake City, Utah. Students do their work on a blank transparency and overlay their work onto this map.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: Dividing a Town into Pizza Delivery Regions
Description: In this Illuminations lesson, students must determine how to divide a town based on which pizzeria is closest to a given location. To solve this problem, students will construct perpendicular bisectors, find circumcenters, calculate area, and use proportions.
Thinkfinity Partner: Illuminations

## Thinkfinity Learning Activities

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Subject: Mathematics
Title: IGD: Angle Bisector
Description: This student interactive, from Illuminations, helps students understand and investigate angle bisectors. Students read a definition and then construct an angle bisector using the interactive tool. Finally, students take a closer look at the properties of angle bisectors by answering a set of questions and then checking their answers.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: IGD: Perpendicular Bisector
Description: This student interactive, from Illuminations, helps students understand and investigate perpendicular bisectors, which are lines perpendicular to a segment that divide it into two congruent segments. Students read a definition and then construct a perpendicular bisector of a segment using the interactive tool.
Thinkfinity Partner: Illuminations

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Subject: Mathematics
Title: IGD: Perpendicular Lines
Description: This student interactive, from Illuminations, helps students understand and investigate perpendicular lines. Students read a definition, and then use the interactive to explore the properties of two perpendicular lines.
Thinkfinity Partner: Illuminations