Tag Archives: Paper Folding

Teachers—Walk a Mile in their Classroom

I was lucky enough this past week to visit some classrooms and see teachers using Sketchpad in various ways. It's been seven years since I was in the classroom myself, so for me it was like coming home. It brought back a lot of great memories, though also some reminders … Continue Reading ››

A Swan Song for Sweet Karen Coe

Karen CoeToday 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 … Continue Reading ››

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

The other week Dan Meyer sent out this tweet. While we appreciate the compliment (and the resulting increase in traffic), it's the first part of that sentence … Continue Reading ››

Back to the Future: Finding Traces of the Common Core in an 1893 Textbook

I was taken aback when I saw that a theater was showing the Michael J. Fox movie, Back to the Future, in celebration of its 25th anniversary. My first thought was, “Darn, am I that old?” After taking my Gingko Biloba, my memory was successfully jogged … Continue Reading ››

Real-World Mathematics: It’s Easy!

While sitting in the dentist chair yesterday, I responded to my hygienist’s question about what I did for a living. It was no surprise to hear “Oh, I hated math” as she buzzed away with the cleaning tool. This was immediately followed by “Actually, not math… I just hated geometry. All those proofs!” Here was a … Continue Reading ››

Seeing is Believing: Sketchpad, Patty Paper, and Other Strategic Tools

I am intrigued by Common Core State Standard for Mathematical Practice #5:
Use appropriate tools strategically. Mathematically proficient students consider the available tools when solving a mathematical problem. These tools might include pencil and paper, concrete models, a ruler, a protractor, a calculator, a spreadsheet, a computer algebra system, a statistical package, or dynamic geometry software…
In … Continue Reading ››

Classifying shapes into a hierarchy is a 5th grade standard? Really?!

As I recently worked on correlating our materials to the newly released Common Core State Standards, I was surprised to find many of the topics we commonly associate with a high school geometry course placed throughout the standards for elementary grades. I was surprised, but not shocked. In fact, I've believed for a long … Continue Reading ››