@dpscher

Math educator, puzzle enthusiast, origamist, Scottish dancer

 New York
sineofthetimes.org
Joined July 2009
  • Tweets1.5K
  • Following420
  • Followers451
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Daniel Scher retweeted
横山 明日希
@asunokibouOct 13
目盛り線を120°の角度で開いて線を結ぶと、逆数和が登場するんですね。
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Daniel Scher retweeted
横山 明日希
@asunokibouOct 11
放物線には九九が潜んでいます！
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My new app allows you to magnify a number line repeatedly to obtain better and better approximations of the location of a point sitting on it. sineofthetimes.org/standalon… #mtbos #mathchat #ITeachMath
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Daniel Scher retweeted
akella
@akellaOct 7
my humble tribute to M.C. Escher's "Sky and Water"
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Now available in paperback and in a lovely cased edition - 42 origami projects bringing mathematics to life through the geometry of folded paper. tarquingroup.com › products › explore-mathematics-with-origami #origami #mathteacher #mathsteacher
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Daniel Scher retweeted
James Lucas
@JamesLucasITOct 4
This is real footage from 127 years ago Crossing the Brooklyn Bridge in 1899
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Very excited to see this major addition to our list arriving . We should be smelling the wonderful smell of new ink on Monday I think... ow.ly/2JLu50ZTsqv › products › explore-mathematics-with-origami Last few days of pre-pub discounts - 20% off with code ReprintHeaven
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So much fun creating skeuomorphic interfaces with the new Opus. Here’s a Pickett N600-ES slide ruler from 1962.
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いますぐ新登場したiPhone Duoのサイズが知りたい！ けどショップに実機を触りにいく暇はない！ コピー用紙ならあるぞ！ そんな時はそののコピー用紙をこう折れば大雑把なサイズ感が分かります （どういう状況なんです？） #iPhoneDuo #折り紙
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Daniel Scher retweeted
Dersu@tak3sh8Sep 1
I'm sure you always wanted to know how the tightest (known) packing of "n" squares within a larger square looks like... 😍
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Daniel Scher retweeted
Vince Vatter
@VinceVatterAug 25
Published today! Our article in Math Horizons about how Robert and I lied to players for three years in our game Digit Party, and how we used integer linear programming to stop.
First page of "Digit.party: Three years of lying about high scores" by Robert Brignall and Vincent Vatter, published in Math Horizons.

ALT First page of "Digit.party: Three years of lying about high scores" by Robert Brignall and Vincent Vatter, published in Math Horizons.

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Daniel Scher retweeted
algoritmic
@algoritmicAug 10
FabObscura: Computational Design and Fabrication for Interactive Barrier-Grid Animations hcie.csail.mit.edu/research/… & github.com/tichaesque/FabObs…
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Llevo unos días trasteando con la inteligencia artificial para crear manipulativos y juegos para matemáticas. Algunos, pequeñas variaciones (o no) de lo que hay por ahí. Otros, más difíciles de encontrar, al menos para mí, como las geotiras (geo strips). Os cuento. 🧵
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Daniel Scher retweeted
Matt Enlow@CmonMattTHINKJul 29
I will always resist the calls to "make math more relevant to students' lives." Contorting subject matter to fit an adolescent's tiny box does not help them; it ensures that their boxes remain tiny. I am in the mind-broadening business. #iTeachMath
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Daniel Scher retweeted
かみぱっぱ@kamipapa2Jul 19
目の錯覚👀
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Daniel Scher retweeted
Matt Henderson@matthen25 Jun 2020
a simple and random process that creates an intricate and structured fractal pattern. At each step, pick a random edge to form a triangle, and the next point is the center of the triangle.
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The rows appear to tilt alternately; however, they are actually horizontal and parallel to each other.
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A really interesting paper on a way to use AI in mathematics education link.springer.com/article/10…

Responding to AI-generated emotional alerts: teachers’ intervention and students’ engagement in the...

ZDM – Mathematics Education - Emotions play a central role in how students engage with mathematical problem-solving, yet teachers often have limited access to students’ moment-to-moment...

link.springer.com
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Daniel Scher retweeted
CODAP@CODAPdatasciJun 9
🎉 We’re thrilled to announce the new and improved CODAP! Visit codap.concord.org for more details. We’re grateful to the @NSF, the @Cisco Foundation, @ValhallaFound, and individual donors who made this possible.
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Why settle for the traditional Hundreds chart when a helical chart creates a continuous flow of numbers when adding? Here's a chart taped onto a soda can. Learn more and download templates at sineofthetimes.org/revisitin…. #mtbos #mathchat #ITeachMath
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