Oscar Levin
@oscarlevin.com
Professor, Mathematician, Developer, Author, Magician, and Oxford Comma Fan.
I know there are lots of great causes to support, but in case you want to help Kenyan kids learn math... www.crowdfunder.co.uk/p/open-digit...
Open Digital Textbooks for Kenyan Schools
Co-create next-generation open digital maths textbooks for new competency-based curriculums with students, teachers and caregivers.
www.crowdfunder.co.uk
October 17, 2025 at 6:00 PM
I know there are lots of great causes to support, but in case you want to help Kenyan kids learn math... www.crowdfunder.co.uk/p/open-digit...
Reposted by Oscar Levin
In today's blog post, @StevenClontz shares his passion for getting mathematicians (and other mathy academic types) up and running using GitHub tools that only require a web browser.
mathtech.org/2025/10/10/g...
mathtech.org/2025/10/10/g...
Getting Started with GitHub
This post is supported by National Science Foundation award #2449139. While anyone in the mathematical sciences should have no trouble engaging in the development of software supporting math-relate...
mathtech.org
October 10, 2025 at 5:33 PM
In today's blog post, @StevenClontz shares his passion for getting mathematicians (and other mathy academic types) up and running using GitHub tools that only require a web browser.
mathtech.org/2025/10/10/g...
mathtech.org/2025/10/10/g...
Reposted by Oscar Levin
Use Doenet.org to create mathematical interactives to support inquiry-based learning: mathtech.org/2025/09/26/d...
September 28, 2025 at 2:26 AM
Use Doenet.org to create mathematical interactives to support inquiry-based learning: mathtech.org/2025/09/26/d...
Reposted by Oscar Levin
Our Grand Opening continues on Monday as @oscarlevin.com shows us how PreTeXtBook.org can help authors create accessible and interactive scholarly documents. Join us Sep 15 at 9am Eastern. preview.scholarlattice.org/collections/...
PreTeXt
PreTeXt
PreTeXtBook.org
September 12, 2025 at 11:04 AM
Our Grand Opening continues on Monday as @oscarlevin.com shows us how PreTeXtBook.org can help authors create accessible and interactive scholarly documents. Join us Sep 15 at 9am Eastern. preview.scholarlattice.org/collections/...
New PreTeXt feature: Handouts!
If you use guided notes in your teaching, or just want to make accessible versions of the printouts you bring to class, you can now author these in #PreTeXt and print directly from the browser (or save as PDF to annotate on a tablet).
mathtech.org/2025/08/17/h...
If you use guided notes in your teaching, or just want to make accessible versions of the printouts you bring to class, you can now author these in #PreTeXt and print directly from the browser (or save as PDF to annotate on a tablet).
mathtech.org/2025/08/17/h...
Handouts and Worksheets in PreTeXt
We all know that PreTeXt is great for writing textbooks. But did you know that it can also be used to create small, standalone course materials? Perhaps you want to create an in-class activity to en...
mathtech.org
August 17, 2025 at 5:56 PM
New PreTeXt feature: Handouts!
If you use guided notes in your teaching, or just want to make accessible versions of the printouts you bring to class, you can now author these in #PreTeXt and print directly from the browser (or save as PDF to annotate on a tablet).
mathtech.org/2025/08/17/h...
If you use guided notes in your teaching, or just want to make accessible versions of the printouts you bring to class, you can now author these in #PreTeXt and print directly from the browser (or save as PDF to annotate on a tablet).
mathtech.org/2025/08/17/h...
This fall I'm going to use master/specification grading in two new courses. So can someone remind me where the big online repository of learning targets for all math courses is? Or if there isn't one, could someone please make that? Or help me make it?
#MathSky, #iTeachMath
#MathSky, #iTeachMath
August 12, 2025 at 8:26 PM
This fall I'm going to use master/specification grading in two new courses. So can someone remind me where the big online repository of learning targets for all math courses is? Or if there isn't one, could someone please make that? Or help me make it?
#MathSky, #iTeachMath
#MathSky, #iTeachMath
This sudoku is full of #math lessons: logic, combinatorics, symmetry, and joy. Try it here: sudokupad.app/qt0xjevecl. Then watch this: youtu.be/ddnLr8jWNeY?...
Hypnotic Suggestion by Atticus837 (Sven's SudokuPad v0.591.4)
sudokupad.app
July 29, 2025 at 10:11 PM
This sudoku is full of #math lessons: logic, combinatorics, symmetry, and joy. Try it here: sudokupad.app/qt0xjevecl. Then watch this: youtu.be/ddnLr8jWNeY?...
Reposted by Oscar Levin
if you click the first hyperlinked word on any wikipedia article, and then click the first hyperlinked word on the next one, and so on, within 10-15 clicks you will get to the wikipedia article for philosophy. and i think that's beautiful
May 4, 2025 at 5:51 AM
if you click the first hyperlinked word on any wikipedia article, and then click the first hyperlinked word on the next one, and so on, within 10-15 clicks you will get to the wikipedia article for philosophy. and i think that's beautiful
Reposted by Oscar Levin
Accessible Course Materials with PreTeXT Virtual Workshop: Monday, May 19 to Thursday, May 22, 2025; 12-2pm EDT
Not only free, but limited participant stipends are available! Info at mathtech.org/workshops/ma...
Not only free, but limited participant stipends are available! Info at mathtech.org/workshops/ma...
Accessible Course Materials with PreTeXT Workshop
Showcasing open-source technologies that innovate mathematics education and communication.
mathtech.org
May 1, 2025 at 4:40 PM
Accessible Course Materials with PreTeXT Virtual Workshop: Monday, May 19 to Thursday, May 22, 2025; 12-2pm EDT
Not only free, but limited participant stipends are available! Info at mathtech.org/workshops/ma...
Not only free, but limited participant stipends are available! Info at mathtech.org/workshops/ma...
Reposted by Oscar Levin
If you're interested in authoring accessible and/or interactive course materials, or curious about learning more, come by tomorrow's PROSE drop in hours with me @chrissysafranski.bsky.social @oscarlevin.com @clontz.org, 12E, 9P!
prose.runestone.academy/dropin/
prose.runestone.academy/dropin/
Redirecting to PROSE dropin...
prose.runestone.academy
April 3, 2025 at 1:47 AM
If you're interested in authoring accessible and/or interactive course materials, or curious about learning more, come by tomorrow's PROSE drop in hours with me @chrissysafranski.bsky.social @oscarlevin.com @clontz.org, 12E, 9P!
prose.runestone.academy/dropin/
prose.runestone.academy/dropin/
All statements made by me in posts on bluesky today are false.
April 1, 2025 at 6:08 PM
All statements made by me in posts on bluesky today are false.
Reposted by Oscar Levin
I wish Discrete Math was taught in high school. It was one of my favorite classes. Esp binary relations changed the way I thought about the world. Even now I have a habit of turning irl things into binary relations and thinking about if they're symmetric, antisymmetric, transitive, reflexive +more😅
A reminder that this way to teach maths is a choice. Other choices are possible. I was good at calculating as a kid, but what I really loved was ideas and puzzles, and luckily I was given many.
Excellent thread.
Excellent thread.
People with dyscalculia will be traumatized away from math, develop intense anxiety about it, *long before* the ever reach the point where dyscalculia stops being an issue.
March 30, 2025 at 8:34 PM
I wish Discrete Math was taught in high school. It was one of my favorite classes. Esp binary relations changed the way I thought about the world. Even now I have a habit of turning irl things into binary relations and thinking about if they're symmetric, antisymmetric, transitive, reflexive +more😅
Shameless self back-patting: www.unco.edu/news/article...
Oscar Levin Honored for Open Educational Excellence
The UNC mathematics professor was recently awarded the inaugural Open Education Excellence Award by the Affordable and Open Educational Resources Committee.
www.unco.edu
March 29, 2025 at 2:53 PM
Shameless self back-patting: www.unco.edu/news/article...
My SIMIODE EXPO 2025 talk on why #PreTeXt is so awesome, even for creating small course materials, is now up. You can find it through this MathTech.org post:
mathtech.org/2025/02/16/s...
mathtech.org/2025/02/16/s...
PreTeXt for Courses and Slideshows
Did you know that you can use PreTeXt to create revealjs slideshows? Did you know that you can use PreTeXt to create a course website? I gave a talk today at the SIMIODE EXPO 2025 arguing for why ...
mathtech.org
March 29, 2025 at 2:27 PM
My SIMIODE EXPO 2025 talk on why #PreTeXt is so awesome, even for creating small course materials, is now up. You can find it through this MathTech.org post:
mathtech.org/2025/02/16/s...
mathtech.org/2025/02/16/s...
"However cold it is outside, it's warm when I think of our friendship."
-- my Google assistant
Suck it, Alexa!
-- my Google assistant
Suck it, Alexa!
March 26, 2025 at 2:25 PM
"However cold it is outside, it's warm when I think of our friendship."
-- my Google assistant
Suck it, Alexa!
-- my Google assistant
Suck it, Alexa!
I think we should proclaim today π+0.02 day.
Just my two cents.
Just my two cents.
March 16, 2025 at 2:21 PM
I think we should proclaim today π+0.02 day.
Just my two cents.
Just my two cents.
Hey #iTeachMath folks, has anyone tried asking students to use AI chat bots as a "thinking partner" to help them understand a topic? Prompts like, "pretend you are another student in my calculus class asking me to explain limits".
This sort of thing just helped me figure out a hard problem I had.
This sort of thing just helped me figure out a hard problem I had.
March 12, 2025 at 3:18 PM
Hey #iTeachMath folks, has anyone tried asking students to use AI chat bots as a "thinking partner" to help them understand a topic? Prompts like, "pretend you are another student in my calculus class asking me to explain limits".
This sort of thing just helped me figure out a hard problem I had.
This sort of thing just helped me figure out a hard problem I had.
Reposted by Oscar Levin
Wrote a blog for @mathtech.org on how #PreTeXtGang 's features can facilitate active learning and novel forms of inquiry!
mathtech.org/activelearni...
mathtech.org/activelearni...
Supporting Active Learning with PreTeXt
While the benifits of using PreTeXt are numerous, one in particular that has been transformative in my own teaching is utilizing the html format of PreTeXt to embed interactive components which opens ...
mathtech.org
March 7, 2025 at 12:06 AM
Wrote a blog for @mathtech.org on how #PreTeXtGang 's features can facilitate active learning and novel forms of inquiry!
mathtech.org/activelearni...
mathtech.org/activelearni...
Reposted by Oscar Levin
Is the list of lists of lists an element of the list of lists of lists? @depthsofwikipedia.bsky.social #russellsparadox
February 27, 2025 at 12:09 AM
Is the list of lists of lists an element of the list of lists of lists? @depthsofwikipedia.bsky.social #russellsparadox
Saw this: tinyurl.com/53225tn9
Thought this: there must be a world record for breaking the most world records in one day. How many world records would you have to break in order to break that world record?
Help me out, #MathSky and #LogicSky!
Thought this: there must be a world record for breaking the most world records in one day. How many world records would you have to break in order to break that world record?
Help me out, #MathSky and #LogicSky!
14-year-old known as 'the human calculator' breaks 6 math world records in 1 day
Indian teenager Aaryan Shulka performs calculations in his head quicker than most people can use a calculator. At a recent event hosted by Guinness World Records, 14-year-old Shulka shattered six ment...
tinyurl.com
February 21, 2025 at 1:36 PM
Saw this: tinyurl.com/53225tn9
Thought this: there must be a world record for breaking the most world records in one day. How many world records would you have to break in order to break that world record?
Help me out, #MathSky and #LogicSky!
Thought this: there must be a world record for breaking the most world records in one day. How many world records would you have to break in order to break that world record?
Help me out, #MathSky and #LogicSky!
NPR reported this morning that DOGE has already saved around $2 BILLION!!! Just think: if that goes back to tax payers, we could all see almost $6 per person. But that's just using regular math. If you use DOGE math, its $6,000 per person!
I feel so much better now.
I feel so much better now.
February 20, 2025 at 2:27 PM
NPR reported this morning that DOGE has already saved around $2 BILLION!!! Just think: if that goes back to tax payers, we could all see almost $6 per person. But that's just using regular math. If you use DOGE math, its $6,000 per person!
I feel so much better now.
I feel so much better now.
Reposted by Oscar Levin
Join @clontz.org @oscarlevin.com levin.com
Chrissy Safranski (who should get on here) and I tomorrow from 12-1 E, 9-12 P for our weekly PROSE zoom office hours to talk about #PreTeXtGang and other open source math-ed stuff!
prose.runestone.academy/dropin
Chrissy Safranski (who should get on here) and I tomorrow from 12-1 E, 9-12 P for our weekly PROSE zoom office hours to talk about #PreTeXtGang and other open source math-ed stuff!
prose.runestone.academy/dropin
Redirecting to PROSE dropin...
prose.runestone.academy
February 6, 2025 at 2:08 AM
Join @clontz.org @oscarlevin.com levin.com
Chrissy Safranski (who should get on here) and I tomorrow from 12-1 E, 9-12 P for our weekly PROSE zoom office hours to talk about #PreTeXtGang and other open source math-ed stuff!
prose.runestone.academy/dropin
Chrissy Safranski (who should get on here) and I tomorrow from 12-1 E, 9-12 P for our weekly PROSE zoom office hours to talk about #PreTeXtGang and other open source math-ed stuff!
prose.runestone.academy/dropin
Lambstein
Make a band meatier
Drum Styx
Drum Styx
Make a band meatier
Sigur Róast
Sigur Róast
January 24, 2025 at 2:45 AM
Lambstein
What do all of you use for creating accessible math equations? Of course #PreTeXt is the best answer, but what alternatives are there? Please share any good resources you have found and I'll collect them on MathTech.org.
#MathSky #iTeachMath.
#MathSky #iTeachMath.
MathTech.org
A community of mathematicians using and creating open-source technologies to innovate mathematics education.
MathTech.org
January 23, 2025 at 6:20 PM
What do all of you use for creating accessible math equations? Of course #PreTeXt is the best answer, but what alternatives are there? Please share any good resources you have found and I'll collect them on MathTech.org.
#MathSky #iTeachMath.
#MathSky #iTeachMath.