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It's about to get 3-D! The video shows your class how to expand the midpoint formula to find the midpoint of a three-dimensional segment. The example shown calculates the midpoint using the x-, y-, and z-coordinates.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Use as a challenge for upper-level pupils when studying midpoint
- Have your classes graph the segments on a three-dimensional coordinate plane to verify the midpoint coordinates
Classroom Considerations
- Best if used after learners have had experience with finding midpoints of two-dimentional segments
- This video is hosted on YouTube
Pros
- Instruction is clear and easy to follow
Cons
- Instructor does not use visuals to demonstrate what is meant by a three-dimensional segment