Outdoor Education WRDSB @outdoor-ed.bsky.social We are the Outdoor Ed Department at Waterloo Region District School Board.
Grassroots Workshops @grassrootsworkshops.com Online workshops from education leaders you know, like, and trust. You tailor instruction for your students. We tailor professional development for you.
Open Middle @openmiddle.com Challenging math problems worth solving. Check out our online workshop (http://grts.ws/om) and book (http://grts.ws/omm) from Open Middle co-founder Robert Kaplinsky (https://bsky.app/profile/robertkaplinsky.bsky.social).
Kat Hendry @kathendry.bsky.social Math Educator
Ontario
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
Maegan Giroux @maegangiroux.bsky.social Mother, wife, teacher, glassblower, author
Annie loves Mpls @anniekp.bsky.social (she/her)Math educator. Kids are better than adults. Math, crochet, fiber arts, politics. Minneapolis.
Annie Fetter @mfannie.bsky.social math, music, field hockey, ice hockey, nature, and more
Christopher Danielson @triangleman.bsky.social Kids, math, fruit, words
talkingmathwithkids.com
Marian @dingleteach.blacksky.app Lifelong educator & seeker of liberation
Lover of mathematics •she/her•
Making a difference in big ways & small
Mike Flynn @mikeflynn55.bsky.social Working with PreK-12 math teachers, coaches, and administrators to enhance the teaching and learning of mathematics. https://linktr.ee/MikeFlynn55?utm_source=linktree_admin_share
Heather Theijsmeijer @htheijsmeijer.bsky.social Secondary Math teacher with Rainbow DSB, on secondment with EQAO. Singer, Runner, Nerd, Connector. She/Her. #NOMAmath #RDSBmath
Sarah Carter @mathequalslove.bsky.social High School Math (AP Precalculus, AP Calculus AB, & Statistics) Teacher. Blogger. Wife. Boy Mom x 2. Jesus Follower. Puzzle Lover.
NCTM @nctm.org #NCTM is the public voice of #MathEd that supports teachers to ensure equitable math learning.
David Poras @davidporas.bsky.social 
David Wees @davidwees.bsky.social Father. Canadian. Math Curriculum Designer, Educational Consultant. Love science. Geek, Feminist, Humanist, Antiracist, Bisexual 🏳️🌈 He/Him
I have profiles everywhere: @davidwees.
Blog: https://davidwees.com/
Dr Helen J Williams 🇪🇺🇵🇸 @helenjwc.bsky.social UK Educator-Mathematics.
*NEW BOOK summer 2026* 👆🏼“Playful mathematics”- award winning: https://uk.sagepub.com/en-gb/eur/playful-mathematics/book276080
Early Childhood Mathematics Group https://earlymaths.org/
Blogs:
https://info125328.wixsite.com/website
NCETM @ncetm.bsky.social The NCETM supports the professional development of all teachers of mathematics in England, including through its coordination of the Maths Hubs Programme. https://www.ncetm.org.uk/
Chris Luzniak @cluzniak.bsky.social Math Ed Consultant | Speaker | Podcaster | Author 🌈
PCMI alum. Formerly in MfA NYC. (he/him)
Check out #DebateMathPod!
Nurturing Math Curiosity @mathcuriosity.bsky.social We are math educators passionate about nurturing curiosity in math class and building from what K-5 students bring to our classroom!
Chepina Rumsey, PhD., Jody Guarino, EdD. 
Rhonda Hewer @rhondahewer.bsky.social MEd, Lecturer @WLU, Math Consultant @WRDSB, Learner, @LeadandDesign Fellow, Master of Creative Disobedience and Disruption, Adventure Seeker, Hiker, Kayaker
Gerry Lewis, OCT @mrlewis.bsky.social Math Facilitator TCDSB, K-6 Director OAME, President OMCA, Prime Minister Teaching Award 2022 - Into: Ungrading, Spiraling, ThinkingClassroom, CRRP, 🥌🏐🎭🏳️🌈
📧 lewisg@tcdsb.ca, 🐦 @GLewisOCT
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 
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
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
Nikki Greene @greenie5150.bsky.social District Lead Math Interventionist/Coach K-5, PAEMST Math Awardee, RIMTA President, Warwick ToY '15, MET awardee. Be the change you wish to see!!
Dan Meyer @ddmeyer.bsky.social Currently: @Amplify. Previously: @Desmos, high school math teacher. Always: recreational math user.
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
Fawn Nguyen @fawnnguyen.substack.com Mom, wife, classroom teacher for 30 years
Director, STEM Initiatives @Amplify
https://fawnnguyen.substack.com/
http://visualpatterns.org
Bernie Westacott @berniewestacott.bsky.social Full time 1973-2012 Head of Maths. Now Part time intervention teacher. Introduced Singapore Maths in school 2006. Independent consultant 2012 - current. Oxford University Press maths consultant 2015-2020. Teach Monster game maths consultant 2020 - current.
@drnickinewton.bsky.social @drnickinewton.bsky.social 
Jérôme Prado @jeromeprado.bsky.social Developmental cognitive neuroscientist at the CNRS and University of Lyon, France. Investigating the development of math and reasoning. https://bbl-lab.fr/
Chrissy Newell @chrissynewell.bsky.social 
Amy Snider @asnider.bsky.social Wife | Mama 👨👩👧👧 🐕🐈⬛| Educator | M.Ed | Lifelong learner | Music lover 🎶 | Elementary Math Support Teacher 🇨🇦 #iteachmath #EduSky
Zak Champagne @zakchamp.bsky.social Math education enthusiast. Chief Content Officer with Flynn Education. enVision K-8 Author. Inclusive with people but exclusive with trapezoids.
https://zakchamp.com
https://flynneducation.com/memberinfo/
Marilyn Burns @mburnsmath.bsky.social I began as a high school math teacher, moved to middle school, and then to elementary school to learn about how young children make sense of math. I love thinking about how to uncover math for kids. I blog about lessons I teach at www.marilynburnsmath.com.
Theresa Wills @theresawills.bsky.social Learning with fellow math educators
Mike Jacobs @mikejacobs.bsky.social Math teacher in Ontario/Mountaineer/Munroist/Exiled Yorkshireman/Dad to two great kids.
Creator of Yohaku Puzzle https://www.yohaku.ca/
Author of Onwards and Upwards. https://tinyurl.com/OnwardsUpwardsHills .
#RunEveryDay
Duane Habecker @duanehabecker.com I’ve been doing math education in California since 1989. Math is a civil right ALL students deserve. I will occasionally post about my children or my chickens.
#TapeDiagramTuesday #iTeachMath #RecreationalMath
Hana Murray @murrayh83.bsky.social Retired Elementary Teacher | Avid Reader | Math Enthusiast | Math Play
Shelby Strong 💗💜💙 @sneffleupagus.bsky.social She/her | ND | #MtHolyokeMath MATM '21 | Geek | Unapologetic feminist | Superstar | #MTBoS Math nerd | Being awesome; it's pretty much how I roll.
StrongerMath.com
Nat Banting @natbanting.bsky.social Math Teacher & Math Ed Enthusiast (writing, speaking, tinkering); @FractionTalks; #MenuMath #OIFMath #UpscalePB creator; Public Address Guy; Goalie Dad.
natbanting.com
Ann Elise Record @anneliserecord.bsky.social Elementary Math Consultant, Author, National Speaker. Passionate about fluency, problem solving, and equity in elementary math, building identity and agency....and Disney & Ted Lasso
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 
Mary Bourassa @marybourassa.bsky.social High school math teacher - she/her. Desmos Fellow. #ThinkingClassroom. #MTBoS. Also, mom to four, foodie, dog person.
Janice Novakowski @jnovakowski.bsky.social Always curious and trying to learn.
Retired SD38 District Teacher Consultant • UBC Adjunct Professor • Vancouver Reggio Association Director (on leave) • BC Numeracy Network • BC Reggio-Inspired Mathematics Project • Indigenous Math Network
T.J. Jemison @tjmath.bsky.social Traveler, Co-Author: Math By The Book, Adjunct Faculty MHC, International Math Consultant & Coach working to create access and equity for all students. #MathByTheBook |he/him|
Kristen Acosta @kristenacosta.bsky.social Math educator of 25 years; #clotheslinemath #3acts, #numbertalkimages, giver of hugs and smiles; music theatre enthusiast, #mtbos #iteachmath, Author of Hanging Math Out to Dry with Elementary Clothesline Math
KristenAcosta.com
Melynee Naegele @mnmmath.bsky.social Instructional Coach, Math Specialist, Former Special Education Teacher, #ElemMathChat moderator: Starter Pack https://go.bsky.app/QszRzdr #MTBoS #ITeachMath #EduSky #ElemMathChat 💙Family💙 Seashelloholic 🐚Beach Please 🏝️! 🧡🖤#GoPokes
DavidPetro314 @davidpetro314.bsky.social I am tribal. Math is one of my tribes & so is Ironman Triathlon. Though here I only post about Math & Science. Oame PastPresident Desmos Fellow #MTBoS
Mandy Jansen @mandymathed.bsky.social Professor of mathematics education at the University of Delaware's School of Education. Former middle school mathematics teacher in Arizona. I wrote a book called Rough Draft Math: Revising to Learn. (Obviously, all views are my own.)
Brian Bushart @bbushart.bsky.social Elementary Teacher (4th Grade) living in New York with my daughter and husband. I blog at https://bstockus.wordpress.com and share resources at https://numberlesswp.com.
Annie Forest @annieforest.bsky.social Math teaching and learning. Adjunct professor. Forest Education Consulting. Past president ICTM. Mom of 3. she/her https://www.foresteducationconsulting.com
https://open.substack.com/pub/annieforest
Aleda Klassen @aledaklassen.bsky.social Math and English teacher. Spreadsheet addict. Ultimate frisbee enthusiast.
https://linktr.ee/aledaklassen
Molly Rawding @mollyrawding.bsky.social K-5 math coach, love to puzzle, make connections, and explore & play w math
Enjoy being outside, in my garden, with my family, and decorating envelopes and cards
Daniel Ansari 🇨🇦 @numcog.bsky.social Canada Research Chair in Developmental Cognitive Neuroscience & Learning at Western University. CIFAR Fellow, FCAHS
Dee Crescitelli @dcrescitelli.bsky.social Educator (Math wants to be your friend! Science rocks! The arts are essential!)-- #MathsPunk she/her
Ilana Horn @ilanahorn.bsky.social I study teacher learning in math classrooms by working in partnership with teachers• Vanderbilt University • she/her
#EduSky #MathSky #iteachmath
Jenna Laib @jennalaib.bsky.social K-8 Math Specialist, #EduSky (pronounced Lai-eeb)
📝jennalaib.com
📈slowrevealgraphs.com
Mark Chubb @markchubb.bsky.social Educator, life-long learner... Love to chat about math. Blogs at: http://buildingmathematicians.wordpress.com #elemmathchat #MTBoS #ITeachMath @DSBN
Howie Hua @howiehua.bsky.social I teach math to future elementary school teachers at Fresno State. I make math memes and explainer videos. http://linktr.ee/howiehua
Zack Hawes @zackhawes.bsky.social assistant professor @ OISE/University of Toronto / cognitive development / mathematical cognition / spatial thinking / mathematics education
https://www.mathematicalthinkinglab.com
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
Jennifer Lagrange @jjdlagrange.bsky.social Math Specialist Pre-K->4th, MATM ‘22, #MtHolyokeMath
Struggly Ambassador
Interested in classroom cultures where cooperative learning, algebraic reasoning and psychological safety is promoted…and golf! 🏌️♀️
#ElemMathChat (she/her)
Sue O'Connell @sueoconnellmath.bsky.social Author and K-5 Math Consultant; Lead author of Math in Practice & Math by the Book (Heinemann); Developer of Navigating Numeracy Center Kits (hand2Mind); Director of Quality Teacher Development LLC www.qualityteacherdevelopment.com 
ElemMathChat @elemmathchat.bsky.social #ElemMathChat is extension of #MTBoS and #ITeachMath Where educators, mathematicians, & those passionate about learning & teaching connect. All encouraged to participate Facilitator
@mnmmath and manages this profile Starter Pack https://go.bsky.app/QszR
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.
Christina Tondevold @buildmathminds.bsky.social 
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.
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.
Simon Gregg @simon-gregg.bsky.social Primary teacher at the International School of Toulouse - back in Grade 4 this year! Also, teacher with responsibility for maths at IST Primary. Often tweet & blog maths, play and Early Years
https://followinglearning.blogspot.com/
Kim Montague @kimmontague.bsky.social Teacher, coach, presenter, curriculum developer, number junkie.
Can’t stop talking to kids about what they know.
Libo Valencia 🧮 MathPlay @mrvalencia24.bsky.social NYS Master Teacher | Author #MathPlay | Keynote Speaker | #EdTech Consultant ~Spreading the joy of Math Play 🇺🇸🇨🇴 📖 http://amazon.com/dp/1990566561
http://libovalencia.com
Berkeley Everett @berkeleyeverett.bsky.social Math Coach and Consultant who cares about Justice. Website: www.berkeleyeverett.com
Kimiko Shibata @eslfairy.bsky.social @esl_fairy on X/Twitter
Parent, Educator, Trainer, Volunteer, Author, Music-Maker, Video-Maker, Miracle-Maker, Resource Enthusiast, Nerd.
Here to love, not to hate.
Sharing is caring.
Bit.ly/eslfairy
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app