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Building Functions 27 Aug 2013 | 12:01 am
How do you motivate vertex form for a quadratic? Do you just drop it on them? That's pretty much what I used to do in Algebra 1. Hey, kids, you want to model this u-shaped path, like you get when you ...
The Fault in Our Stars has some wrong math 26 Aug 2013 | 01:29 am
"There are infinite numbers between 0 and 1. There's .1 and .12 and .112 and an infinite collection of others. Of course, there is a bigger infinite set of numbers between 0 and 2, or between 0 and a ...
A little bit of what I intend as thoughtful pushback 25 Aug 2013 | 04:15 am
I went to Steve Leinwand's global math presentation this week. It was thought-provoking and worth the time. You should go watch it. I asked a question and got an answer that helped me grow. So, Steve...
Making a Gift More Valuable 30 Jun 2013 | 11:14 pm
Spiegel Online: Forensic Anthropologists at Work I'm starting to feel a little like an anthropologist, but I'm finding the implications of and discussions stemming from the last post framing the MTBo...
Rock Stars and the Gift Culture 28 Jun 2013 | 08:54 am
I just re-read Eric S. Raymond's Homesteading the Noosphere, a work I first read in approximately 1999 right around the time I was installing my first Linux distro. I was never anything more than a ba...
Hello Out There (HELLO Hello helloooo....) 26 Jun 2013 | 08:29 am
There was a great discussion in Global Math Department today, lead by the intrepid Chris Robinson, about how we facilitate, and how we sometimes fail, new people participating in the little online mat...
SMWhat? 10 Apr 2013 | 04:55 am
Educators seem to be a mixed bag of afraid of vs. jazzed about the CCSSM Standards for Mathematical Practice. At first read-through, they seem very sensible, and like things math students should be do...
Pop Quiz 8 Apr 2013 | 11:37 pm
Was this published in 2001, or this morning? New York State United Teachers, the state's largest teachers union, is urging members and parents to call on the state Education Department to stop implem...
The Tests Matter 7 Apr 2013 | 07:40 pm
Here is what is going on right now, in the time before the Common Core Standards have really hit high schools, and before a common assessment has been inflicted on any live children. The non-teachers ...
On Writing Lessons for Others 4 Apr 2013 | 06:53 pm
(Cross-posted to Mathalicious Blog) We sat down recently to rewrite the core Xbox Xponential lesson. In it, we tell students about Moore's Law. They use it to make predictions about how we would expe...
