Finally! A citable writeup for @jennalaib.bsky.social! And, as linked in the article, there is the trove of examples freely available at: slowrevealgraphs.com #iTeachMath ♾️

Here is a @desmos.com activity about the symmetry-preserving transformations of a square, inspired by my colleague Tom Jameson. classroom.amplify.com/activity/68c... For a really great intro to how this relates to group theory, see this by @stevenstrogatz.com archive.nytimes.com/opinionator....

I saw this at the Brooklyn Botanic Gardens. I call it Powers of Two :) #mtbos

Never saw a graphical description of the difference of squares factorization so I made one. I don't know why.

On Friday at Noon (EDT) I am giving a talk in the New York Combinatorics Seminar. The title is: "Mathematical illustration through a combinatorial lens" in which I share my decade-long journey as a mathematical artist and jewelry maker and how it intertwines with my combinatorics research.

Finished a cape thingie that I started knitting in August. I learned a few more basic knitting skills (mainly making short rows/turning) but it’s still very beginner even though it looks fancy! It’s a free pattern on ravelry: www.ravelry.com/patterns/lib...

The 8 SMP's are new in MN so we are creating lots of resources. If you want a refresh, check out our stuff. Today we released a free resource anyone can use (K-2 3-5 6-8 HS & educators) to notice the assets of others engaging in the SMPs. Learn more here: www.youtube.com/watch?v=2NS_...

Patrick's @mrhonner.com.web.brid.gy is mostly on mathstodon, but he's thinking about #buildingthinkingclassrooms mrhonner.com/archives/21746

New video about a piece by the modern artist Sol LeWitt, and the group theory behind it. youtu.be/_BrFKp-U8GI

Ta daaa! I give you the Lorentz Attractor thanks to the free pattern from #ThreadedTheorems and also @samjshah.bsky.social whose posted work I admired. #StemBroidery #MathArt #MathSky

After trying a lot of local rules for symmetry and other things, in the end I think the best strategy is to make sure things that are close together don’t have colors or patterns that are (1) too similar or (2) too different (?). Thoughts on arrangements? www.grannylifecrochet.com

Minnesota's Largest Pattern Block Mosaic! talkingmathwithkids.com/blog/minneso...

As I was walking home today, I had this idea: Is it possible to turn a QR code into a Truchet tiling that's still a functioning QR code? Yep.

Rate of Change #MathPlay🧮 via @geogebra.org with ss @lehmancollege.bsky.social #ITeachMath #MTBoS #MathsToday #MathSky #EduSky #Math #EdTech 🔗 www.geogebra.org/m/tmqgzrtj

Today I soldered my new #mathart stained glass project. It’s pretty wonky (and looks worse up close) but I still ❤️ it. It’s a visual proof setup for the trig sum/diff of angles formulae: math.stackexchange.com/a/1342 Showing the proof to my juniors is one of my fav days in precalculus. #mtbos

I love community data collection like this one at the MN State Fair. Cast your bean and vote your commitment to local food. What do you notice? How do you feel? What do you wonder? What will you do? #MTBoS #ITeachMath #creativerepresentationsofdata

from Paul Zeitz: > I have compiled a report on our program this year, packaged as a fundraising letter which I will send to people who donated to us in the past. Please feel free to pass this document along to anyone who you think can help us out for 2026. Thanks! drive.google.com/file/d/1BjjG...

Finding the ends of a tangled skein of yarn just from basic math logic! #mathart joy! www.tiktok.com/t/ZP8BbE2N7/

Excited to be part of the maths art exhibition at Talking Maths in Public at the University of Warwick!! 🧶 🧮 #MathSky #embroidery #handembroidery #TMiP2025 #TMiP25

Join my math friends from Cuboid Math Museum in Kyiv today at 11 a.m. EDT online to make your own hyperbolic geometry paper sculptures. Bring paper, scissors, glue or tape, and explore playful mathematics! Register: naturalmath.com/math-maker-n... #iTeachMath #MTBoS #MathSky #MathMakers

A new post on the math blog! I built a couple of toys to play with as well. www.fractalkitty.com/inquiries-we... #indieweb #math #colorings #graphTheory #triangles #inquiry #mtbos #iteachmath #mathtoys

Knitting and computer punch cards? I love the creativity of people! www.tiktok.com/t/ZP8BaVUyV/ #MathArt

Tomorrow is our first day of faculty meetings. As such I jotted this down to commemorate how I’m feeling - haha. In the style of William Carlos Williams: there is nothing as glum as setting the black alarm after a languid summer beside an unkempt bed www.poetryfoundation.org/poems/45502/...

Saw some beautiful sunflowers today at the Brooklyn Botanic Gardens today. And of course I had to take a close up of one of the center areas because … math. youtu.be/z9d1mxgZ0ag?...

[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2025/08/math... Links and help from @howiehua.bsky.social @curiouspolymath.bsky.social @samjshah.bsky.social and more #MathChat #MTBoS #iTeachMath

Watching them unfold and refold is very satisfying. Here was my first attempt at the RH-Y-6.2 fold, filmed by my kiddo. ALT: The bloom folds into a compact prism so that the edges of the hexagon have stacks of paper and the center is open. Then you can gently pull the sides to open.

There is a group of us that are current teachers that can support schools and teachers with using all of the Desmos Studio tools effectively. Give us a shout, we would love to help. #mtbos #iteachmath

I would love to hear @mathematize4all.bsky.social's take on this @edweek.org article and the paper it highlights. I'm very curious about who was interviewed. www.edweek.org/teaching-lea... #iTeachMath #MTBoS #wismath

Just started, but some really interesting videos from Mura Yakerson www.youtube.com/@math-life-b...

ok #MathSky, Updating syllabi, and need your best math memes. the ones that make you chortle, guffaw, chuckle, lmao, etc. Please and thank you 🫰🏾

Does anyone have any math lessons they like (any topic) that involve the Census? Either how it operates or using its results. #iTeachMath #MTBoS #mathsky

ACK! Another #MathArt post! I'm on a roll. Mainly because I'm trying to distract myself from the reality that school is starting up soon for me. Here's my embroidered aperiodic tiling. samjshah.com/2025/08/19/e... Instructions from: www.threadedtheorems.com/aperiodic-ti... #MTBoS

So good, and I appreciate the reminder. Especially your frames:

Want to solve a maze? How about one created randomly with math? Here it is created in Desmos. www.desmos.com/calculator/q...

Although 8 months old, I'm saving this to look through for later! :)

Finally I think I have a simulation of a cycloid drawing machine I got ages ago. My general process is outliend here: samjshah.com/2025/08/18/h... The Desmos simulation is here (hit "Play"): www.desmos.com/calculator/a... I'm not positive it's 100% correct but I'm proud of it #MathArt #MTBoS

For my #MTBoS friends using TI-84 calculators: A Back-To-School Tour including helpful free PDFs. #iTeachMath #MathsToday karendcampe.wordpress.com/2021/08/31/a...

Announcing: My new book UNLOCKING JUSTICE arrives in the first half of 2026! It confronts America's unfair criminal legal system with data and humanity, showing how data science can drive racial justice. I wrote it to be optimistic + accessible to a broad public audience. Info + preorder updates ⬇️.

Any #mathart help? I'm trying to model this machine's output. Here's a video of my Desmos model and the actual model. The black curve on Desmos [https://www.desmos.com/calculator/dmarhuzclk] is what I *think* should be graphed from the machine. BUT it's WRONG. (More below.) 1/n

This morning I decided to try to use Desmos to figure out if I could predict the Hypnograph's final drawing. It's wrong, so I need to go back to rethink things, but pretty. www.desmos.com/calculator/d... Here's the Hypnograph in action: bsky.app/profile/samj...) #mathart #MTBoS

Belated follow-up (finally found time to create a diagram): There is also a geometric definition of inversion in a circle coming from stereographic projection (details in alt text). #MathSky #ITeachMath

Starting a new knitting project! New things I’ve learned: How to turn the yarn (make “short rows”) How to make little holes/eyelets by doing a yo k2tog How to judiciously place stitch markers & mark up my pattern so I can confirm on any step if I have the right amount of stitches between them :)

This is an incredible “1 shot” video from OK GO. www.tiktok.com/t/ZP8BJp1rF/ I remember their treadmills from ages ago… was that the first? In any case, the TikTok algorithm knows me well.

I'm a pretty slow knitter and only learned a couple years ago and then forgot how to do it. But today I finished a baby blanket for a friend! Only knits&purls! Pattern (free!) here: mariannaslazydaisydays.blogspot.com/2018/09/jord... My ravely link to the project: www.ravelry.com/projects/sam...

Ages ago, I supported a kickstarter with a fancy version of a spirograph called "Hypnograph." I had trouble getting it to work when it arrived, but as I'm planning a math-art class, I broke it out and lo and behold, it works! I'll put a photo of the final image in a reply post. #mtbos #mathart

Surface mechanisms #kinematics

It's an open 45-chapter primer. 😍 I love splines and similar topics for math circles! They are intuitive for five-year-olds and invite deep explorations. #iTeachMath #MathSky

My attempt to reproduce Wacław Szpakowski's amazing single line drawings in #processing. check out some of his work: www.waclaw-szpakowski.pl/rhythmical-l... #generative #generativeart #genart #creativecoding #digitalart #p5js #processing