Brett Parker @parkermathed.bsky.social 
Eli Luberoff @eluberoff.bsky.social CEO of Desmos Studio PBC
Rutger Bregman @rutgerbregman.com Historian | Author of ‘Utopia for Realists’ (2014), ‘Humankind’ (2020) and ‘Moral Ambition’ (2025) | Co-founder of The School for Moral Ambition | moralambition.org | rutgerbregman.com
📖 substack.com/@rutgerbregman
📺 youtube.com/@rutger.bregman
Dr. Maria at Natural Math @maria-naturalmath.bsky.social https://naturalmath.com
A good world is possible with better mathematics. Let's make some together.
#iTeachMath #MathEd #MathsEd #MathSky #MTBoS #PrimaryMaths
Ross Kinate @whenwillineedthis.bsky.social HS math teacher and part-time college instructor. Spent a couple years outside of the classroom working as a data analyst.
Carl Brandt Long @carlblong.bsky.social Math teacher, theatre-maker, husband, father. Pro-democracy.
I mostly post #MathEd stuff.
Sometimes I make videos on Youtube. https://www.youtube.com/@carllong1991
Ken Schelper @kwschelper.bsky.social Math, soccer, video games - who thought my later years would be exactly like my teenage years?!
Justin Lanier @jlanier.bsky.social 
Pam Harris @pwharris.bsky.social Shifting the way we view the teaching of mathematics.
Chris Luzniak @cluzniak.bsky.social Math Ed Consultant | Speaker | Podcaster | Author 🌈
PCMI alum. Formerly in MfA NYC. (he/him)
Check out #DebateMathPod!
Kate Nowak @k8nowak.bsky.social Slinging bits at Brilliant.org
Formerly teaching high school
& making IM K-12 Math at illustrativemathematics.org.
WeRateDogs @weratedogs.com Your Only Source For Professional Dog Ratings
nonprofit: @15outof10.org ❤️🩹
links.weratedogs.com
@dailydesmos.bsky.social @dailydesmos.bsky.social 
Kyle Webb @webbkyle.bsky.social math teacher. learning consultant. co-author.
📕: https://bit.ly/612btcbook
🎙️: @ThinkThankPod
#buildingthinkingclassrooms
Association for Mathematics in Education @amiemathematics.bsky.social Launched on 1st December 2025, AMiE brings together a broader network of dedicated people, resources, and expertise, to advocate for and improve the teaching and learning of mathematics.
Cal Armstrong @calarmstrong.bsky.social I learn; I help others learn
Mathematics Educator/Microsoft Education Fellow/PCMI - Institute for Advanced Study/Aux Police A/Sgt
@cal_armstrong@mathstodon.xyz
@sig225 on X/Twitter
Michelle (she/her) @michellelogarithms.bsky.social recreating #MTBoS community! math teacher in CA ✊🏼
“Pypes” Pyper, J.S., PhD, OCT @314-per.bsky.social 🍁 exploring photography & writing > craft beer enthusiast! < I know some things but am happier learning more > I count < he/him
all photo&writing are mine unless otherwise noted—please give credit to all creatives’ work and expressions
Innovamat @innovamat.bsky.social #MathMakesYouThink 💡Our PK-5 programs make math learning meaningful, empowering teachers, while inspiring students and families 🚀
@pgliljedahl.bsky.social @pgliljedahl.bsky.social 
@justineabigail.bsky.social @justineabigail.bsky.social 
NRICH maths @nrichmaths.bsky.social Enriching mathematics for all students aged 3-18, with free curriculum-linked resources designed to nurture curious, resourceful and confident learners of school mathematics.
🗺️ Faculty of Mathematics at the University of Cambridge
🌐 nrich.maths.org
An Drea 龔 @akismetoo.bsky.social 媽媽, MƒA Educator ❤️ 🧶 🏀 + board games
Hi #♾️, #iTeachMath in a public high school in NYC through an inquiry/play-based/constructivist lens. I mostly microblog about education, pedagogy and mathematics.
Found as akismetoo @mathstodon.xyz and elsewhere.
Peg Cagle, NBCT PAEMST @pegcagle.bsky.social zome building, origami folding, moebius knitting, all-around geometry fan and architect turned math teacher, math teacher educator & education policy wonk
Scott Westwell @scottwestwell.bsky.social Teacher of math students.
Amie Albrecht @nomadpenguin.bsky.social Professor of Math Ed. Dormant mathematician. Thinks a lot about teaching. Pedagogical pragmatist. Tsundoku master. Champion napper. Dirty lefty. Blogging at amiealbrecht.com
Beth Herbel-Eisenmann (she/her) @bheprime.bsky.social Critical scholar, mother, partner, puppy mama, author, teacher educator, math educator, collaborator
#edusky #mathsky #iteachmath #womeninSTEM
Sun Young Lee 이선영 @sunyounglee.bsky.social Transpacific Curriculum History, Curriculum Studies, Asian/Asian American Education, Teacher Education, Postfoundational, Literacy, Critical Studies of "Science" in Education, incl. SoR. Assistant Professor at Wichita State University
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
Aristotle Ou @alongou.bsky.social PhD STEM Ed student at UT Austin, Mount Holyoke grad, former middle school math teacher, former AmeriCorps Watershed Stewards Project Member, Cal Poly SLO grad.
Haiku writer, crossword puzzle enthusiast, and reflective human being. (he/him)
Kat Hendry @kathendry.bsky.social Math Educator
Ontario
Robin Johannsen @rjohannsen.bsky.social Math teacher in Toronto ⭐️
Mr. Hogg @mrhoggsclass.bsky.social Math Teacher | Spiralling Through the Curriculum | Constantly Reframing and Rethinking Assessment in Mathematics
Dr. Denis Sheeran @mathdenisnj.bsky.social I just want to have fun learning math together :) Math Educator, University Professor, Teacher Education, Author, Professional Development Consultant. Former HS Math teacher and administrator. #mtbos #makeitreal #edusky
DenisSheeran.com
Jennifer Lempp @jennifer-lempp.bsky.social Love math. Love teaching. Love teachers.
Author of Math Workshop K-5 and Math Workshop 6-12.
Mathematics Educational Consultant
Find me at www.linktr.ee/jennifer.lempp
#MathWorkshop
#iteachmath
Theodore Chao 趙伯立 @professorteds.bsky.social Math Ed Professor Cal State Fullerton. Formerly Ohio State University. NSF CAREER, Fulbright Scholar: Critical Math Storytelling. Director CSUF MSTI, Co-Host TODOS Podcast, Co-Author Auntie Kristina's Guide to Asian American Activism (4/26). Always hungry.
Sharon Vestal @sharonvestal.bsky.social Math Teacher Educator in the Midwest. I love to discuss teaching, mathematics, and teaching mathematics.
Jason To | 杜澤信 @mrjasonto.com School streaming/tracking abolitionist. K-12 mathematics & numeracy coordinator @tdsbmath.bsky.social improving math teaching & learning for 240,000 students in @tdsb.on.ca. 3-time #NHL94 SNES world champion.
➡️ http://mrjasonto.com
Jessica Wei Huang @huangjaz415.bsky.social Educator, Facilitator, Activist, Motherscholar, Manifestor
Grace Choi @gracekchoi.bsky.social Momma. Reader. Writer. Doodler. Learner. Teacher. Coach. Unapologetically Asian American🇰🇷🇺🇸 *opinions are mine*
@swise-bc.bsky.social @swise-bc.bsky.social West coast teacher and life-long learner. Loves teaching fine arts, technology, inquiry, and #thinkingclassroom. Enjoys sharing ideas with others.
Annie Tan @annietan.com educator, activist, storyteller (she/her) #writing a #memoir #WIP #writersky! VT Studio Center, Tin House, & Bread Loaf '23! #AAPI #BLM annie@annietan.com
Most of my old posts were transferred & archived here from my old Twitter account annietangent, RIP
Nick Corley @mrcorleymath.bsky.social Math teacher, Desmos Fellow, Desmos Certified Presenter, Amplify- Curriculum Support Specialist, Product Marketing Specialist - Math, Math Consultant, basically anything mathed #iteachmath
Professional Site: https://mrcorleymath.wixsite.com/mathedtech
John Rowe @mrjohnrowe.bsky.social Desmos Classroom Interaction Developer (CL)
Hook Line Sinker 🎣 eBook → https://mrrowe.com/book
druinok @druinok.bsky.social Math teacher, book reader, and cat mom.
Rachel Lambert, prof at UCSB, teacher! @mathematize4all.bsky.social disability rights, neurodiversity, mathematical sensemaking for all, educational justice.Trying to making math classrooms engaging and empowering spaces for all kids https://mathematizing4all.com/
Author of Rethinking Disability and Mathematics #UDLMath 
Cindy Whitehead @cindywhitehead.bsky.social Retired Middle School Math Teacher, still dipping my toes in the waters of math every once in awhile.
Honored to be a Desmos Fellow, Cohort 3!
Nathan Vaillancourt @mrvmaths.bsky.social He/Him
Classroom Teacher
Curriculum Chair of Mathematics
Huge nerd. Big fan of Marvel movies, Pokemon, musical theatre
Glenn Waddell, Jr. Ph.D. @gwaddell.bsky.social Finding ways to put people first for my PSTs and ISTs. Teaching Associate Prof in a STEM Education program. I blog at https://mrwaddell.net/blog. My comments are my own. he/him. #MTBoS (Math TEACHER Blog o'Sphere) #ITeachMath #EduSky #MathSky
Jennifer Lawler @jenniferklawler.bsky.social Wife, mother of five, math geek, lifelong learner, Badger fan. Mathematics & Science curriculum coordinator.
Megan Parise Schmidt @veganmathbeagle.bsky.social Mathematician, beagle enthusiast, sober educators, instructional coach. #MTBoS
Kathy H @kathyhen.bsky.social Math teacher, @Desmos certified presenter, Desmos Fellow, @onepeloton enthusiast #mtbos #iteachmath
Berkeley, CA 
Jordan Rappaport @jrappaport27.bsky.social Equity Consultant | Enhancing Social Justice Education Coordinating Committee | NCTM Content and Learning Advisory Committee | Make Math Moments Curriculum Writer
Anna Blinstein @ablinstein.bsky.social Teaching and math and often teaching math. #iTeachMath #pcmiTLP @Desmos Fellow Cohort VI
Toby Wu @tobywu.bsky.social Ph.D candidate at NYU Steinhardt studying teacher diversity & org change. 💜 Former elementary teacher. Stanford GSE & Swarthmore alum. Proud NYer. 🗽🏳️🌈
Tien Pham @tienpham.bsky.social High School English Teacher | Journaling Addict | Photography | Book Reader | Art Supplies Junkie | Foodie
dr. andre (he/siya) @titodredreaming.bsky.social 🏳️🌈🇵🇭 Notes, letters, stories, & research from a visionary - a journal of dreaming & imagining out loud, reflections on identity, queerness, & life.
*views are my own.
IG/Tiktok/Medium/Substack/Threads: @titodredreaming
Dr. Betina Hsieh (she/her/ 她） @profhsieh.bsky.social She/her/她; Taiwanese American MotherScholar, Endowed Professor of Teacher Education/ Committed to thickening solidarities/ Research: Asian Americans in Education; Humanizing (Teacher) Education; Coast Salish Lands
Kit Luce @kitluce.bsky.social I love exploring math with kids and listening to their thinking and reasoning. I always learn something. I see the beauty of math everywhere.
Maegan Giroux @maegangiroux.bsky.social Mother, wife, teacher, glassblower, author
Ralph Pantozzi @mathillustrated.bsky.social (a personal account) MoMath Rosenthal Prize • #PAEMST • SciFri Educator • RutgersGSE • NCTM MAA Committee on the Teaching of Undergraduate Mathematics
Michael Olson @themrolson.bsky.social | Grade 5 teacher, dad, husband, collaborator, learner | We can do better...together. | #EduSky #tlap #leadlap #EduMatch
benjamin dickman @benjamindickman.bsky.social Math Educator 🪄♾️
Brookline to Nanjing to NYC to DC
Amherst College BA
Fulbright Program x2 (🇨🇳+🇵🇭)
Teachers College, Columbia University PhD
past BU Wheelock (postdoc, Math Edu)
cocreated original word game: #FiddleBrix
http://tinyurl.com/bmdmaths
Pam Brett - Blue Glasses Math Podcast @pambrett.bsky.social K-12 Math Pedagogy Specialist. Podcaster. Fiercely determined to shift the perspective on what it means to be a "math person".
Dee Crescitelli @dcrescitelli.bsky.social Educator (Math wants to be your friend! Science rocks! The arts are essential!)-- #MathsPunk she/her
Dan Meyer @ddmeyer.bsky.social Currently: @Amplify. Previously: @Desmos, high school math teacher. Always: recreational math user.
Graham Fletcher @gfletchy.bsky.social Just a math guy living underneath the kidney table listening to students think. Coauthor of #BuildingFactFluency.
Wednesday Widget Newsletter - https://tinyurl.com/gfletchynews
Kory Graham @korytellers.bsky.social She/Her
Professional Hypewoman to people worldwide
Skilled at connecting the right people at the right time
Also very skilled in asking all sorts questions and rambling on and on
A Jersey Girl, with a huge heart for the Midwest, currently in Rochester, MN
Thạch-Thảo Phan @mathphan.bsky.social Let's invigorate the MathPhan in all of us 🤩
“Tell me, I will forget.
Show me, I may remember.
Involve me, I will understand.
*Believe in me, and I will too.”
~Chinese Proverb *adapted by TT
Heather Theijsmeijer @htheijsmeijer.bsky.social Secondary Math teacher with Rainbow DSB, on secondment with EQAO. Singer, Runner, Nerd, Connector. She/Her. #NOMAmath #RDSBmath
Alayne Armstrong @armstrg.bsky.social She/her. Associate professor, Mathematics Education, University of Regina, Canada. I enjoy a good cookie. Posts = interesting.
Erick Lee @theericklee.bsky.social High School Math Teacher | Desmos Fellow | Nova Scotia Math Teachers Assn President. #ITeachMath. I occasionally blog about math at https://pbbmath.weebly.com/
Dan Finkel @mathforlove.bsky.social Founder, Math for Love, mathforlove.com.
Dedicated to giving everyone a chance and a reason to fall in love with mathematics.
Curriculum writer, game developer, speaker, teacher of teachers.
Dave Wagner @dave-wagner.bsky.social mathematics educator, advocate for social and ecological justice, professor University of New Brunswick, co-editor Educational Studies in Mathematics, 🇨🇦. https://www.davewagner.ca/
Dr. Lisa Lunney Borden @drllbmath.bsky.social Math Educator, Professor, John Jerome Paul Chair For Equity in Mathematics Education, Believer in Equity, Culture & Identity in Math Ed, Proud StFX Grad & Prof, long-time settler in Mi’kma’ki.
Justin Lastname @justinaion.bsky.social Sandwich enthusiast, hexagon lover, Dragonsworn, world hopper, prospective allomancer, Bubble Tea business owner
Catriona Agg @catrionaagg.bsky.social Maths teacher, currently on maternity leave.
I aim to share lots of snippets of my lessons using #MathsToday and would encourage you to do the same!
Also occasional geometry puzzles 🧩
Tracy Zager @tracyzager.bsky.social Math coach; supporter of teachers, students, and schools; co-author of Building Fact Fluency; author of Becoming the Math Teacher You Wish You'd Had; reader, writer, editor, mom, friend.
Pierre Tranchemontagne @pierretranche.bsky.social Enseignant; Curator of Number Talk Images (ntimages.weebly.com); #ThinkingClassrooms
Bryan Meyer @doingmath.bsky.social 
Mark Chubb @markchubb.bsky.social Educator, life-long learner... Love to chat about math. Blogs at: http://buildingmathematicians.wordpress.com #elemmathchat #MTBoS #ITeachMath @DSBN
David K Butler @davidkbutler.bsky.social Maths Learning Support lecturer at Adelaide Uni (my views here). Grad Dip Ed & PhD Finite Geom. Love maths and helping people learn. he/him https://davidkbutler.xyz
Not Just Phlogiston @notphlogiston.bsky.social Equity, sustainability, and inclusion in high school chemistry. K12 public school union strong. NBCT. #MTBoS. Tea, not coffee. #ChemistsWhoCook, crafting, jam.
Elli Weisdorf @elliweisdorf.bsky.social Life-long learner. Math lover.
Dr. Crystal M. Watson @crystalmwatson.bsky.social Audacious dreamer. Straight forward, dope human doing dope things. Student voice, choice, and identity advocate! 🖤🖤
#educolor #hiphoped #blackedusky #edusky #blackademics
Views my own. she/her
BTCthinks.bsky.social @btcthinks.bsky.social #buildingthinkingclassrooms #thinkingclassroom content // via
@pgliljedahl and team! (account managed by Judy Larsen & Kyle Webb)
TODOS: Mathematics for ALL @todos-math.bsky.social TODOS: Mathematics for ALL advocating for #equity and high-quality #MathEd for all students- in particular, Latina/o students.
#MathEquity
Siobhan McComb @mccsio.bsky.social Math teacher trying to make space for and meet the needs of all students. Focused on responsive assessment and instruction.
Sara Van Der Werf @saravanderwerf.bsky.social Math Teacher & sometimes leader. Connecter. Evangelist for Math. MN gal. Curator of a Calculator Museum. Backwards Bike rider. Want to be a writer and creator again. Love connecting with Math Peeps. Links: https://linktr.ee/saravanderwerf 
Bobson Wong @bobsonwong.com NYC HS Math Teacher; Speaker; Author, "The Math Teacher's Toolbox," "Practical Algebra: A Self-Teaching Guide (3rd ed.)"; 2022 MfA Muller Award Winner; Aspiring cook and fiction writer. All opinions my own. bobsonwong.com #MfAProud #MTBoS #miseducAsian
Alice Keeler @alicekeeler.com #EduSky, Teacher, mom of 5, author, AliceKeeler.com, EdTech expert, gamification, #coffeeEDU, Google Certified Innovator, Google Developer Expert 
Geoff Krall, PhD @geoffkrall.bsky.social Math and the like. Asst Professor at Colorado State University. Author of 'Necessary Conditions'.
Paige Sheehan @mrssheehanmath.bsky.social HS Math teacher committed to rigorous, equitable instruction. Forever showing people how to love math ❤️ * she/her *
Karen Campe @karencampe.bsky.social Math teacher using technology for understanding
Reflections & Tangents Blog: karendcampe.wordpress.com
Jamie Mitchell @realjmitchell.bsky.social Ontario Teacher.
Rabble rouser.
Checking this out.
@realJ_Mitchell on the bird app
Alicia Burdess @aliciaburdess.bsky.social I love learning and teaching math! Wrote a book to share the beauty and joy of the dragon curve fractal. Passionate about Thinking Classrooms and Big, Beautiful Problems.
Joel Bezaire @joelbezaire.bsky.social Middle School Administrator & Math Teacher, Desmos Fellow and Certified Presenter, @edcoop.Bluesky.social Board Pres., Bass Player for Staredown, Canadian living in Music City
Robert Kaplinsky @robertkaplinsky.com Math educator. Love helping teachers.
Open Middle co-founder. #OpenMiddleBook author. #ObserveMe creator. Grassroots Workshops President. Get lessons & ideas: http://bit.ly/rkupdates