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This Transformation - Rotation: Lesson instructional video also includes:
Change places by pivoting the figure. The section of a geometry playlist introduces rotations by making the connection to rotational symmetry. The presentation provides formulas to use with the coordinates when rotating a figure around the origin a multiple of 90 degrees.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Use manipulatives and have learners discover the rules for multiples of 90-degree rotations
Classroom Considerations
- Assumes individuals know the total degrees needed to rotate all the way around
- It is helpful if pupils have learned about rotational symmetry
- This video is hosted on YouTube
Pros
- Uses colors to distinguish the image from the pre-image
- Links to more resources on rotations
Cons
- When originally referring to 180-degree rotation, the presenter places the figure into the wrong quadrant