Week 5 Videos and more
Most of the videos this week are from Khan Academy, the Polygons section of High School Geometry.
Triangle Interior Angles
Links to an external site.
Polygon Interior Angles
Links to an external site.
Polygon Exterior Angles
Links to an external site.
Playing with Polygon Angles
Links to an external site.
More with Polygons and Tessellations
Links to an external site.
Videos from class this week are at the end of the 2021 Playlist Links to an external site..
Here are some videos on using Geogebra.
- Use Geogebra to make a regular pentagon through vertex angles
Links to an external site.
- Use Geogebra to make a regular pentagon though central angles
Links to an external site.
- Construct an octagon with Geogebra Classic
Links to an external site.
Geogebra Geometry App Links to an external site., plain background
Geogebra Classic App Links to an external site., axes and grid in background
Toy Theater Pattern Blocks Links to an external site., dragging feels real
Math Learning Center Pattern Blocks Links to an external site., nice protractor