Triangle Centers Coordinate Geometry: Common Core Performance Task

Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
Triangle Centers Coordinate Geometry: Common Core Performance Task
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13 MB|22 pages
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Product Description
I use this performance task assessment at the conclusion of our unit on triangle properties. Ultimately the unit is about making strategic use of mathematical tools, an idea that is explored through the following content items:
* Perpendicular bisectors and angle bisectors.
* Triangle medians and midsegments.
* Triangle centers: circumcenter, incenter, orthocenter, centroid.
* Geometric constructions: compass & straightedge, paper folding, geometry software, and coordinate geometry.
This particular assessment evaluates several content items and their skills with the coordinate geometry tool. I have included three versions of the assessment, to accommodate varying levels of student ability: A, B, and C, in ascending order of difficulty. Answer keys and student rubrics are included. Aligned with common core standards for high school geometry.

Also included is a cover sheet with common core standards alignment, student objectives, essential questions, and teacher notes.

The complete file (minus answer keys) is available for free preview on the right. Feel free to take a free look before you purchase.

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Total Pages
22 pages
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N/A
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