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This Oops! Glass Top assessment also includes:
A short assessment asks participants to find the original radius required to replace a table top. The problem provides a hypothetical situation of having a segment of a broken glass table top. Pupils find the radius of the circular top using the section of the table top.
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CCSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Require justifications of solutions methods using theorems, postulates, definitions, etc.
- Provide the class with actual segments of a circle made from paper plates and have them confirm their processes
Classroom Considerations
- The class should be familiar with properties of circles and relationships of lines associated with the circle
Pros
- Answer key provides two options
- Rubric provides descriptions of full and partial credit responses
Cons
- None