Category Archives: my learning

TEDxDirigo

TEDxDirigo the X outside Fort AndrossYesterday was a good day. I spent 10 hours or so surrounded by motivated, articulate, passionate people who care deeply about the world and taking action in some way to make that world better. (Here’s the list of speakers, but I don’t have a list of everyone who was there.) For someone who is typically engrossed in discussions of education, technology in education, the arts in education, creative thinking in education – you get the idea- it was both refreshing and eye opening to spend a day thinking about things that weren’t (for the most part) placed directly within the context of education. In the words of Peter Arnold, every day we should go “off to save the world”, in whatever way we feel called. His focus is energy sustainability, but I think he’s on target for how we should all feel about what we do every day. John Paul Caponigro reminded us all of the importance of mark making, through words, drawing or photography, to inspire and make tangible our creative ideas as a force for creation and change (or to what ends your personal vision leads). There were calls to action around local foods, alternative energy, environmental responsibility and the importance of pausing to breathe. Antonio Rocha called our attention to moments of transition, playing on perception and awareness, shifting points of focus seamlessly before our eyes and ears.  Gola Wolf Richards moved me deeply with his writing on the way in which “understanding the nature of change changes the nature of understanding”.

How will these big ideas filter into my own actions, classroom, workshops and discussions with others? I’m not sure yet. The premise of the day felt good, laden with potential for action and change. How it will play out is still too soon to know, but I look forward to seeing the sprouts of these seeds coming up around our state in the near future, and the ripple effects for a long time to come.

(My photos of the day are here, on Flickr.)

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Show and Tell: Exhibit, Reflect and Critique with Blogs

My K12 Online Conference presentation went live this morning, and this is the blog post to go with the video and materials on the K12 Online Conference presentation page, the K12 Online Ning, and my wiki of additional resources.  It is a wonderful opportunity to participate in this conference, and with such incredibly brilliant and dedicated teachers and administrators. I hope you will participate in the conversation around this and the other presentations either here, or on the presentation page for the K12 Online Conference blog, or in the ning. I look forward to feedback and hearing from others who are exhibiting their student artwork online in various ways.

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Mac Heist Bundle of Joy

I lucked into the Mac Heist deal last year and I’ve used about half the apps on a regular basis.  What a deal! This year a student sent me the current link, which is great – geeks unite!  Anyway, here’s the link for those of you who are interested : http://www.macheist.com/bundle/u/309801/      **caveat, yes, it’s a unique link and if a couple of you happen to get the bundle I get a couple more apps.  However, if you would rather just go on your own: http://www.macheist.com/

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Educon 2.1 Session 2 : Ben Wilkoff “On Button”

Ben Wilkoff

Ben Wilkoff

I really enjoyed this session. Ben was fun, focused, shared ideas and tools, showed some how to but kept it on target with why you would want to use these things, how to make it fit even for those who are less tech-savvy than others. Here is the link to Ben’s notes and links for the session. Check out my notes from Cover It Live (picture is link) :

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MaineEd08 Tapping Into the Power of the Network with Liz Davis

Liz Davis presenting at ACTEM MaineEd08

Liz Davis presenting at ACTEM MaineEd08

Here’s the link to the live blog for Liz B. Davis’s session at ACTEM.

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MaineEd08 Sessions 1, 2, and Lunch liveblogs

Sheryl Nussbaum-Beach

First Session: Tech Integrator Roundtable    Where tech integrators and tech teachers from around the state got together to discuss the challenges and possible solutions we face daily.

Second Session: Sheryl Nussbaum-Beach    Following up on her keynote, Sheryl explored the changes in education we face and some of the choices we can make based on that in light of new technologies.

Seedlings Geek of the Week session

Seedlings Geek of the Week session

Lunch Session : Geek of the Week with Cheryl Oakes, Alice Barr and Bob Sprankle – and many assorted guests! – sharing lots of tools,sites, and neat tech stuff. Link here for the podcast of the session.

CLICK BELOW to go to the CoverItLive live blog for THREE sessions from ACTEM’s MaineEd08 conference. I was unwilling to make multiple liveblogs for fear of not getting back online if I shut down! Sorry to make you scroll through three sessions to find what you are interested in reading.

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CMK08 Start Swimming: Constructivist Lego/Logo PD

If you read my previous post about CMK08, you have some sense of the format of the gathering. If you haven’t read it, go back and do that first, or this might not make much sense.

Not only did Gary Stager want us to work on a project at CMK08, he wanted us to work in groups.  I volunteered to head up a lego/logo group, and by that I meant I was willing to stand in a space in the room and have others come over.  I knew nothing about logo – and my lego history was based mostly on my brother’s large collection circa 1980.  Gears? Motors? Nope.  But I had come for logo experience, and I was bound and determined to get some. Thank heavens Jim Gerry wanted to work with these tools too.   Jim suggested we make a sculpture that made sound, so that was our intro-project. The inclusion of the word “sculpture” was purely accidental, I’m sure, but it resulted in my insistence that we at least consider some aspect of aesthetic in the final design.  “Aesthetic” eventually translated to matching stripes, but hey, at least it had some kind of visual consistency.

Musical Sculpture

Musical Sculpture

This day-one experience was primarily mechanical – how do you get a very fast-turning motor to slow down enough to turn something that hits something else and then bonks into a toy drum? It was all very Rube Goldberg to me. John Stetson was the resident lego guru, and his help was critical to my understanding of gear ratios.  Here’s the short version: first use a small gear that turns a large gear. Then put a small gear on the opposite end of the large gear axle, which then turns another big gear. Trust me, it works.  Take a close look at the gears in the picture and the video to see what I’m talking about.  I also decided that one noise wasn’t enough in our music-machine (music is perhaps an overstatement), and I added the finger-cymbals on the side.  This is where I got to put my gear-ratio knowledge into practice after seeing it done on the first part of the contraption.

As we tried out the pieces, we ran into trouble and engaged in debugging. The best way to learn is to have your project not work, or at least not work perfectly, and then try to figure out what went wrong or how to fix it.  The embedded reflective step in debugging is one of the key parts in an effective learning process.  The first thing we debugged were gear ratios, the second was how to keep the part hitting the drum from bouncing back too high (add a delimiter), and third was how to keep the vibration from tearing apart the structure (re-engineer . . this time with crosspieces and stripes).  Last but not least, we opted to add in blinking lights, so we hooked up a light strand to one of the power legos and added that to the logo “brain”.  The programming for this project was easy : turn the motor on, and keep running.  That pretty much did it for the first session of project work.  I think both Jim and I felt some sense of accomplishment, meeting our initial goal for the project inside the 3 hour time-slot we’d been given.  I know I also felt a little deflated, since I still couldn’t see what making this project had to do with me learning lots about logo.  Fun? Sure.  Useful? I wasn’t yet convinced.


Tuesday brought us back to the lego table.  I knew I wanted to use one of the sensors and tackle more sophisticated programming than we’d done the day before.

Light sensor data recorder

Light sensor data recorder

The idea was to create something that would move a pencil back and forth on adding machine paper, which moved continuously, giving a reading of the sensor change over time.  After a brief discussion of the issues before us, we decided it would be best (not to mention easiest) to start with the mechanics of the structure and worry about the sensor and programming components later. Why did we pick this? Probably because we had had some success with the mostly-mechanical project the day before. When you are learning new things, you have to attach it to something you know already so it sticks. If you can’t figure out what you know that’s related, just keep boiling it down until you find something that looks familiar.  Relative to the day before, gear ratios now looked familiar.  Learning from the previous day, we constructed with the vibration factor in mind, tackled the issue of attaching a non-lego part (the pencil) to the lego structure, and ran through about four different gearing structures to make the pencil move back and forth.

Then it was time for the light sensor to provide data, and us to provide programming to make the machine do something.  Rather than walk you through the programming experience blow by blow – since it took us until mid-day Thursday to get it fully functional – let me just hit the “learning points”,  or the high points in my frustration.

Gary Stager and Jim Gerry working with Logo

Gary Stager and Jim Gerry working with Logo

First, we had to figure out how to get the sensor readings to show up on the logo brick, then to show up on the laptop, and finally to be used by the program to make the motor move, with variations in duration and direction depending on the relative light/dark of the sensor reading.  The help section of logo is less than direct for those such as myself who don’t fully grasp the various parts of the program nor the fundamental semantics of the programming language.  As the squeaky wheel gets the help, I squeaked for a bit and Gary rode in to the rescue with a couple of key bits of information and formatting order of operations.  In the interim, however, I had one of those frustrating learning experiences.  I knew what I wanted the machine to do, but the person providing answers at that time had in their mind what commands I ‘should’ use.  Sparing you the details, I’d run into this kind of situation as a high school student, and this experience was bringing it all back in spades. I did what I did then – I proceeded to do exactly what they were telling me to do, went back and explained why their solution didn’t do what I needed, then sat down to figure out how I could make it do what I DID want it to do. Harumph.  The upshot of this experience is that I will try to be more conscious of listening to my students when they try to tell me what they are trying to accomplish instead of assuming I know what they need and want to do. Reconnecting with that frustration was uncomfortable from a learner perspective, but definitely eye-opening when I put my teacher hat back on.

Jim Gerry and me working on programming together.

Jim Gerry and me working on programming together.

Jim and I finally sat down to figure out the programing issues.  This was the best two-heads-are-better-than-one working experience I’ve had in a long time. We opted to write the code as if we knew what the code was – basically making up terms and functions – and once we had it straight in our heads we’d figure out how to translate it to logo. We went back and forth about variables, parameters, how to keep differences as positive numbers (or not), what to divide by to make the numbers work, and a few other odds and ends.  Surprise, it worked out great! Turns out the “If else” and “If and” statements were the key, as well as setting some global variables (this is where we got to use our made up vocabulary as part of the working code).  Once the pen (pencil didn’t make a dark enough mark) moved according to the sensor input in the right direction, for the right duration, and changing direction appropriately, Jim got the paper going and we had it made. Triumph!

Light Sensor Recorder video

What did I learn from CMK08? On a test, I could do a (very) little logo programming, explain gear ratios, draw a map to the Puritan Back Room, and describe what Frozen Pudding ice cream tastes like. In a more significant sense, I learned that working longer on one project can be more valuable than a survey, that thinking hard about something is rewarding even if the results don’t change the world, and that many people are still not comfortable with acting outside of proscribed lines.  I’ll be more open to fewer, more difficult, time consuming projects with my students.   I resist the temptation to solidify my syllabus before I meet the learners in my class.  I’ll be more careful with the scaffolding I give learners when they are approaching something new, but still let them discover parts of it for themselves.   I’ll be running over the experience and my notes for months to come, reflecting on my teaching in light of the ideas presented at CMK08, and tweaking it along the way.

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