More pizza?
From a review of a local pizza place: Because of the easily laid out website, I could see that getting three 10-inch pizzas ($6 for plain cheese, $7 for pepperoni, and $9 for a house combo “Carcass” pie with sausage, … Continue reading
Tag Archives: Geometry
Skallops and Regular Polygons
So my skallops arrived and I’ve had some time to play with them. Geometry teacher’s dream. Ok. Will the following setup make a polygon if I keep the same angle and keep adding on? What about 30 degrees? 45, 60, … Continue reading
Skallops – Geometry Heaven
Skallops are a construction toy that uses laser (no sharks) cut wood clips to put together playing cards. They are up on kickstarter now and they can make some incredible shapes. I just ordered a set myself.
One Zipper Unfoldings of Polyhedra
From Make. Just discovered this fascinating little geometrical recreation at the 2011 Bridges Math Art Conference galleries. The idea is simple, and the field still fairly unexplored, from what I can tell. What interesting 3D shapes can be made by zipping … Continue reading
Geometry SBG Concept list
To copy Ms. Nowizee from last year, I want to share my Geometry Concept List. This was the first year of Standards Based Grading in Geometry, and before seeing the end of the year results, I’d give it a B (more … Continue reading
Scavenger Hunt: Geometry Regents Review
Quick post: In NY our end of the year exam is the Regents exam (no comment). The schedule of the exams this year means that I won’t see my students for 13 days. Great. I made up a Geometry Regents … Continue reading
IcoSoKu
From the brilliant(?) minds at vat19.com, I present to you, the IcoSoKu: Just thousands, that’s it? In my list of mathematical strengths probability does not appear, but there are: 12 unique numbers (vertices of an icosahedron), so 12! = 479,001,600 ways to arrange … Continue reading
Math Pic: Westminster Abbey
Looking up at the ceiling of Westminster Abbey in Henry VII’s Lady Chapel. No questions, just thought it was cool.
Robert Larson 800-2875 Center Finder
Neat: (from Make: Online) If you’ve ever struggled to locate the center of a circular plate or a piece of round stock using a ruler or a square, you know it can be a tricky proposition. But this cleverly-designed gauge … Continue reading
Math Pic: Radiator Design
These awesome heating radiators were in the flat (apartment) that we stayed in. I want to make one more. How much pipe do I need to bring to the bending machine?