Math educator, puzzle enthusiast, origamist, Scottish dancer

Joined July 2009
183 Photos and videos
Daniel Scher retweeted
🎉 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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Daniel Scher retweeted
It's the birthday of Frans van Schooten, botd in 1615 in Leiden, Netherlands. To celebrate, explore this website and some of the applets on this page - each one a brain-candy fransvanschooten.nl/fvs_teke…

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Daniel Scher retweeted
Here's Looking at Euclid by Helen Friel. Helen Friel is a paper engineer and she make beautiful things. Look at these paper sculptures of Oliver Byrne's version of Euclid's Elements. 😍
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Daniel Scher retweeted
Bestselling ebook this week is “Explore Mathematics with Origami”. Discover how origami can support your teaching goals. tarquingroup.com › products › explore-mathematics-with-origami #Mathematics #Origami #EducationalResources #STEMLearning #MathsTeachers
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Daniel Scher retweeted
My little book, A Little History of Mathematics is out in paperback next week! It can fit into a nicely sized front pocket of your jacket. Grab yourself a copy for short or long journeys and days out. You'll enjoy it! yalebooks.co.uk/book/9780300…
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Daniel Scher retweeted
Super excited about today’s launch of our MOOC “Get Coding with Snap! - Building up to AI”. 18 all new video lectures spanning 3 weeks, with classroom-ready exercises & quizzes. Free & open to all at SAP Learning: learning.sap.com/learning-jo…
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Daniel Scher retweeted
TODAY we release the ebook of this exciting new mathematics teaching book. Pre-publication price for the ebook ENDS at midnight. ow.ly/4H6Z50YGxym › products › explore-mathematics-with-origami #MathsTeaching #EducationalBooks #LearningWithOrigami
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Daniel Scher retweeted
Just a few days until we release the ebook of this exciting new mathematics teaching book. Just a few days to get a big pre-pub saving too! Have a look! ow.ly/4H6Z50YGxym › products › explore-mathematics-with-origami #MathsTeaching #EducationalBooks #LearningWithOrigami
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Daniel Scher retweeted
if there is one thing you should read today, don't miss this article!
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Daniel Scher retweeted
The wait is nearly over! The ebook of “Explore Mathematics with Origami” is out 15 April. Get your copy & integrate creative projects into your lessons. Pre-pub discount still on! 📖✨ ow.ly/kU2150YEP4K › products › explore-mathematics-with-origami #HandsOnLearning
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Daniel Scher retweeted
Curious how origami can bring geometry to life? “Explore Mathematics with Origami” features activities like this one investigating parallel lines. Stay tuned for more sneak peeks! Pre-publication discount! tarquingroup.com › products › explore-mathematics-with-origami
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Daniel Scher retweeted
Exciting news for teachers! 📣 “Explore Mathematics with Origami” is coming soon—packed with hands-on paper projects, each mapped to a curriculum point. Pre-publication discount available now! ow.ly/BheU50YCjAo › products › explore-mathematics-with-origami
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Daniel Scher retweeted
Have you ever tried the amazing Painted Cube Task? This is me teaching my Stanford Undergraduates and a newsletter about it. Do share #youpaintcubes mailchi.mp/youcubed/newslett…
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My first "vibe-coded" game with Claude. Herd the sheep using dynamic quadrilaterals and identify the quadrilateral type you used. sineofthetimes.org/catching-… #mtbos #mathchat #ITeachMath
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Daniel Scher retweeted
Mar 20
Henry Billingsley is the first person to publish an English translation of #Euclid's Elements. His work is so unique that he put pop-up 3-dimensional models to explain geometric models and mathematical theorems in 1570.
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Daniel Scher retweeted
Mind-Blowing Clock Math: Connect the tips of the hour & minute hands every minute… and this insane 11-lobed flower explodes onto the screen! Who knew your wall clock was secretly drawing perfect geometry?

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archivists just discovered the first depiction of a robot in cinema. a 127-yr-old reel gathering dust in a random garage in grand rapids, michigan turned out to be a long-lost film by georges méliès from 1897. this is the first time in over a century this footage is being shown.
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Daniel Scher retweeted
I've been playing with some constructions but then went made a little animation - no huge revelation just joy in playing.
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