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Blogs on Math Teaching
Category Archives: link
Math Pickle
There are a lot of great websites on math education, but some really stand out. I’m happy to report a new one which promises to be an incredible resource: mathpickle.com. In particular, Dr. Gord–who runs the site–has produced some beautiful … Continue reading
Revisiting a Beautiful Puzzle on a 5 by 5 grid
Hi Everyone! We’ve been away for the holidays, but back now, and looking forward to diving back into the deep end. While we’re gearing up, I thought I’d share a quick link to a lovely puzzle without words of James … Continue reading
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Paper folding record broken!
http://www.npr.org/blogs/thetwo-way/2011/12/05/143150449/record-folders-54-000-feet-of-paper-13-folds-one-new-standard James Tanton and his students just broke the paper folding record! Follow the link for the story!
Math for Love activities in January
Lots in development for January, so here goes: We’re offering circles and classes all over town for kids grade K – 10, including a class for K-1 children and their parents at the Robinson Center (Nurturing the Math Instinct), and … Continue reading
Math Salons scheduled, plus a great new look at vast amounts of dollars
Happy post-Thanksgiving! To all Seattlites looking for a math-rich event for kids, we’ve finally got some Math Salons on the calendar, starting in January. Interested in joining us? Just rsvp, and we’ll see you there. In other news, Randall Munroe … Continue reading
The Dr Square Puzzle
One of my students yesterday shared an idea with me that he had kicking around in his head for a while, which he called continued multiplication. Essentially, he used the steps in a multiplication process as an iterative process to … Continue reading
Two great, idiosyncratic problem sources online
Two problems have been floating around in my head lately, and it’s only fair to share them, and let you know where I got them. Imagine this: You have four bottles of liquid. One of the bottles contains a poison … Continue reading
“Nothing is more attractive to me than a muddled domain awaiting its first theory. I feel most at home with a jumble of glittering data and the feeling that they might be fitted together for the first time into some … Continue reading
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Squares of Differences III: a surprising solution
[See Squares of Differences I and Squares of Differences II, and apologies for the tardiness of the posting] I’ve learned a lot about Squares of Difference in the last months. First, they’re sometimes known as Difference Boxes, or Diffy Boxes, … Continue reading
Posted in classes, game, lesson, link
Tagged 4 Number Game, Difference Boxes, diffy box, diffy squares, Ducci Sequences, squares of differences
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Numberplay at the New York Times Puzzle Blog
Katherine submitted the puzzle for this week’s Numberplay at the New York Times Puzzle Blog, a lovely puzzle in honor of Avoid Triangles At All Costs (ATAAC) Day. So… 1. Check it out here! 2. Comment! We (and the people … Continue reading
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