Tagged: Paper Folding

A Paper Folding Investigation from Connected Geometry

In a prior post, I shared some good news: The Connected Geometry high-school curriculum authored by Education Development Center (EDC) is now available for free. I could easily devote every future blog post to a tasty Connected Geometry morsel, but I’ll restrict myself to just a few. The investigation below, taken straight from the curriculum,...

The Folded Circle Construction

Of all the conic section construction techniques, my favorite is undoubtedly the approach that requires nothing more than a paper circle. Here’s what to do: Draw or print a circle and its center, point A, on a sheet of paper. Cut out the circle. Mark a random point B anywhere on the circle. Then, fold...

A Swan Song for Sweet Karen Coe

Today I leave for my first proper vacation in a year and a half. Last time I took such a vacation, Key sold its high school textbooks to Kendall Hunt and transformed from a publishing company to a educational technology company. This time I just hope to survive the end of the world. 🙂 Before...

Creating Origami Whirlpool Designs with Sketchpad

Tomoko Fuse is a Japanese origami artist whose designs are highly geometric. A Google search for her origami models reveals a plethora of boxes and intricate three-dimensional structures, many of which are folded from multiple sheets of paper and then assembled together. As an avid origami folder, I’ve always admired Fuse’s work. But nothing prepared...

What’s up with Key? A Response to Dan Meyer

The other week Dan Meyer sent out this tweet. I’m not sure what Key Curriculum Press is anymore but they run a helluva math ed blog. blog.keypress.com — Dan Meyer (@ddmeyer) January 20, 2012 While we appreciate the compliment (and the resulting increase in traffic), it’s the first part of that sentence I want to...