## Browse - Geometry

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1. Geometry
Geometry is left until the end of the year or left out in early elementary grades
- Date of thread's last activity: 29 May 2003

2. Non-Euclidean Geometry
Hyperbolic geometry and the angle of parallelism
- Date of thread's last activity: 25 May 2011

3. Diagonals of polygons
Relation between the number of vertices and number of diagonals in a polygon
- Date of thread's last activity: 11 April 2007

4. Measurement
Instructions on making and using a clinometer (sextant)
- Date of thread's last activity: 17 May 2000

5. 360 degree circle
The history that surrounds our 360 degree circle
- Date of thread's last activity: 23 January 2007

6. Triangular prisms
Using triangular prisms so students can practice measuring figures for surface area
- Date of thread's last activity: 25 August 2006

7. Coordinates and plotting
Lesson plan, activities, to teach coordinates and plotting
- Date of thread's last activity: 9 September 2006

8. Clip art for geometry
Clip art on the Web for geometry
- Date of thread's last activity: 27 December 2006

9. Circles and Cutting A Cake
Theorems that could be used to take a circular cake and cut it up evenly
- Date of thread's last activity: 14 May 2000

10. Coordinate proofs
Ideas about how to introduce, teach, practice, and assess a unit on Coordinate proofs
- Date of thread's last activity: 23 May 2008

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