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This The Distance from a Point to a Line lesson plan also includes:
- Geometry Module 4: Teacher Materials
- Geometry Module 4: Student Materials
- Geometry Module 4: Copy Ready Materials
- Geometry Module 4, Topic D Overview (PDF)
- Geometry Module 4, Topic D, Lesson 15: Teacher Version (Doc)
- Geometry Module 4, Topic D, Lesson 15: Student Version (PDF)
- Geometry Module 4, Topic D, Lesson 15: Student Version (Doc)
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What is the fastest way to get from point A to line l? A straight perpendicular line! Learners use what they have learned in the previous lessons in this series and develop a formula for finding the shortest distance from a point to a given line. They then apply their formula.
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CCSS:
Designed
Concepts
Additional Tags
Instructional Ideas
- Use as an extension lesson for top pupils who need a challenge
- Use centimeter grid paper and have learners use a ruler to measure distances to verify results
Classroom Considerations
- Uses abstract calculations that are difficult for many pupils; using numbers only (without developing the formula) may be necessary for some
- Concludes a 15-part series of lessons focused on coordinate geometry
Pros
- Emphasizes the purpose of a formula
- Provides all necessary resources, answer keys, and a detailed teacher guide
Cons
- None