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Citizen Math

@citizenmath.bsky.social
566 followers 156 following 183 posts

We're folks who think real-world 🌍 issues belong in math class. Here to support + celebrate others who do, too. #RealWorldMath ♥️ Connect at community.citizenmath.com/events or find lessons at www.citizenmath.com

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Citizen Math @citizenmath.bsky.social · 07/05/2026
There was Mathalicious v1.0 and Citizen Math v2.0. Today we launched Version Free Point Ooh. 🩵 www.citizenmath.com If you loved our real-world lessons but got tired of administrative funding whims determining your access, welcome back. I think you'll like it here. #EduSky #MathSky #RealWorldMath
citizenmath.com
Welcome to Citizen Math
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Counted Out Documentary @countedout.bsky.social · 15/10/2025
We’re honored that Counted Out is an Official Selection at @UNAFF in Palo Alto on 10/26. Get tickets at the link in bio. #CountedOutFilm #DocumentaryFilm #FilmFestival #MathLiteracy #Democracy
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Citizen Math @citizenmath.bsky.social · 17/10/2025
#NCTMATL25 Interested in bringing civics conversations to math class? Join Ginny Stuckey + classroom teachers @ 1PM Friday (session #341). Explore factors related to homelessness (by interpreting linear equations) + hear about other examples + tips for making this actually happy. #ITeachMath
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Melynee Naegele @mnmmath.bsky.social · 15/10/2025
Excited to speak at #NCTMATL25 in Atlanta! Sat, Oct 18 | 8:00–9:15 AM. My session, Culturally Responsive Practices to Humanize Learning Mathematics, shares how educators can honor students’ identities and experiences while making math meaningful. #NCTM #MathEd #EquityInEducation #ElemMathChat
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Citizen Math @citizenmath.bsky.social · 30/09/2025
Counted Out, a new documentary about math, democracy, and civic life, opens Oct 3–9 at Cinema Village in NYC 🍿 for a limited run. Don’t miss the opening weekend Q&As on Oct 3 (5pm) and Oct 4 (6pm). Reserve tickets here: www.cinemavillage.com/Now-Playing/... #mathsky #realworldmath
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Citizen Math @citizenmath.bsky.social · 11/06/2025
The June cohort of the Citizen Math Online Launch Course kicks off June 17th - There's still time to join! This is a great experience for those looking to level up their real-world 🌍 convos in math class. #EduSky #MathSky docs.google.com/forms/d/e/1F...
docs.google.com
Citizen Math Launch Course Registration
Citizen Math lessons help teachers engage students in conversations about the world using math. Who should complete the Citizen Math Launch Course? This self-paced online course is designed for teach...
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Citizen Math @citizenmath.bsky.social · 22/05/2025
Thanks for sharing this #RealWorldMath gem! 💎 If you've got one of those wonky end-of-year-schedule-cant-really-plan-for-it days, this article could spark a great discussion!
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Nick Corley @mrcorleymath.bsky.social · 06/05/2025
Hey #iteachmath! You know what was a great idea that sort of died, the #observeme trend. I have always thought the best PD is watching other great teachers. We need to bring that back!
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Citizen Math @citizenmath.bsky.social · 24/03/2025
💎 #RealWorldMath
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Citizen Math @citizenmath.bsky.social · 24/03/2025
🏀 #RealWorldMath Finally! Buffet's updated challenge was to pick 30 of the 32 first round games correctly...for $1M!💰 Would you agree that's 4 times easier than predicting all 32 games would have been? #MathSky #MathsToday Congrats to the big winner. 🎉 www.si.com/college-bask...
si.com
Someone Finally Won Warren Buffett’s $1 Million March Madness Prize Thanks to Rule Change
It’s not a perfect bracket, but it’s close enough.
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Citizen Math @citizenmath.bsky.social · 21/03/2025
Check out how @mrsstrole.bsky.social's class used Pythagorean Theorem to understand decision-making at their local fire department! 🔥 You can connect with this #RealWorldMath teacher this Sunday to ask follow up questions, etc. More below 👇 #MathsToday #MathSky #EduSky secure.smore.com/1dqx4
secure.smore.com
A Behind the Scenes Look
As an envoy, I thought that it would be fun to give you an authentic look into my planning of a Citizen Math lesson. The first Citizen...
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Citizen Math @citizenmath.bsky.social · 20/03/2025
☠️.
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Citizen Math @citizenmath.bsky.social · 20/03/2025
Heather sat down with(ish) a MS math teacher in Vermont to talk about his latest class conversation using #RealWorldMath 🌍 What questions do YOU have for teachers who bring real-world convos to math class? community.citizenmath.com/posts/pizza-... #EduSky #MathSky #MathsToday
community.citizenmath.com
Pizza Pi with Keith!
During my recent trip to Vermont, I got to stop in Keith Marshall's seventh grade classroom while he was teaching the Citizen Math lesson 🍕 Pizza Pi.  It was a blast watching his students debate th...
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Citizen Math @citizenmath.bsky.social · 14/03/2025
Ain't no party like a math peeps party... 😎 #MathSky #EduSky www.nytimes.com/2025/03/14/s...
nytimes.com
A Mathematical ‘Fever Dream’ Hits the Road
Meet “Mathemalchemy,” a traveling math-meets-art installation coming eventually to a dimension near you.
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Maths Week Scotland @handle.invalid · 14/03/2025
We had pupils writing some fantastic pi-kus at the Edinburgh Book Festival last summer mathsweek.scot/news/maths-p...
mathsweek.scot
Maths Poetry at the Edinburgh Book Festival - Maths Week Scotland
We took our 'Maths Tales' to the Edinburgh International Book Festival. Read all about the creative maths inspired poems written by students at the Teen Takeover Day.
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Citizen Math @citizenmath.bsky.social · 12/03/2025
🗓️ You're invited to join MS Math Teacher Meghan Look this Sunday to discuss and prep a real-world 🌍 math lesson for middle school. As always, all are welcome to join. 🩵 You can find more info and RSVP at the link below. 👇 #RealWorldMath #MathSky #EduSky community.citizenmath.com/events/is-th...
community.citizenmath.com
Is there an upside to negative emotions? ❤️‍🩹 (+/- Integers, Absolute Value) Featuring Downside Up by Citizen Math |  Hosted by Meghan Look
In the real-world 🌎  lesson Downside Up by Citizen Math, students use interpret graphs describing how good or bad (+/-) each day of a week felt, and then describe the magnitude (or absolute value) ...
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Julian R. Silverman @manhattanscientist.bsky.social · 13/03/2025
Has anyone ever partnered with another prof or institution and had students share their work with another class or externally? Wondering what kinds of IRB/FERPA stuff you have to work through to get this to work? Eg. Communication stds making infographics and sharing with external science stds
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Fawn Nguyen @fawnnguyen.substack.com · 04/03/2025
This is so so good. Thank you, John. "We focus on diagnosing what’s blocking them from the solution. But in doing so, we miss an opportunity to empathise with their current condition and their mathematical thinking so far." mrrowe.com/2025/02/28/w...
mrrowe.com
When Problem Solving Leads To Problem Stalling
So much of mathematics is focused on the end point: the answer, the solution, the proof. We attach so much emphasis on the destination — the more efficient the better. We place such high value on t…
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Citizen Math @citizenmath.bsky.social · 12/03/2025
She's a 💎.
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Citizen Math @citizenmath.bsky.social · 12/03/2025
🗓️ You're invited to join MS Math Teacher Meghan Look this Sunday to discuss and prep a real-world 🌍 math lesson for middle school. As always, all are welcome to join. 🩵 You can find more info and RSVP at the link below. 👇 #RealWorldMath #MathSky #EduSky community.citizenmath.com/events/is-th...
community.citizenmath.com
Is there an upside to negative emotions? ❤️‍🩹 (+/- Integers, Absolute Value) Featuring Downside Up by Citizen Math |  Hosted by Meghan Look
In the real-world 🌎  lesson Downside Up by Citizen Math, students use interpret graphs describing how good or bad (+/-) each day of a week felt, and then describe the magnitude (or absolute value) ...
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Francis Su @mathyawp.bsky.social · 11/03/2025
Everyone should see “Counted Out”, a film by Vicki Abeles. This Pi Day (3/14), I'm moderating a panel after the screening at UCLA. Register for the UCLA event here: curtiscenter.math.ucla.edu/news/13050/ More about the film, and other screenings around the US: www.countedoutfilm.com/screenings
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Citizen Math @citizenmath.bsky.social · 10/03/2025
🗓️ Remarkable math teacher Kate Muelling is hosting a call this week, and all are invited -- whether you're brand new to real-world discussions in math class or are an old pro with ideas to share. Reposts appreciated. 🩵 #MathSky #EduSky #RealWorldMath 🌎 community.citizenmath.com/events/disco...
community.citizenmath.com
Discourse Part 1: Building a culture of discourse around real-world tasks in the math classroom.
Why discourse? Discourse is a vital element of teaching real-world contexts in a math classroom. But how can we develop a classroom in which students are comfortable, confident, and curious about e...
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Citizen Math @citizenmath.bsky.social · 10/03/2025
🗓️ Remarkable math teacher Kate Muelling is hosting a call this week, and all are invited -- whether you're brand new to real-world discussions in math class or are an old pro with ideas to share. Reposts appreciated. 🩵 #MathSky #EduSky #RealWorldMath 🌎 community.citizenmath.com/events/disco...
community.citizenmath.com
Discourse Part 1: Building a culture of discourse around real-world tasks in the math classroom.
Why discourse? Discourse is a vital element of teaching real-world contexts in a math classroom. But how can we develop a classroom in which students are comfortable, confident, and curious about e...
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Citizen Math @citizenmath.bsky.social · 09/03/2025
No festive math shirts yet? Shocked.
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Citizen Math @citizenmath.bsky.social · 07/03/2025
#BrainTrade 🧠 Pi Day is jut around the corner! What are some ways you like to celebrate? Lessons, activities, even nerdy math shirts are welcome. :-) #MathSky #ITeachMath #EduSky #RealWorldMath #MathsToday
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Citizen Math @citizenmath.bsky.social · 06/03/2025
Thank you for the tip, @techielibgrl.com!👇 📢 FYI all: We keep an eye on the #RealWorldMath hashtag to find and boost posts connecting the real-world to math class and connecting math to the real-world. 🌍 #MathSky #ITeachMath #MathsToday
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Citizen Math @citizenmath.bsky.social · 04/03/2025
💡Ideas please! How do you build writing skills ✏️ in math class? And by writing skills, I broadly mean *everything* -- from just wielding a pen or pencil, to communicating arguments in written/visual form so that someone else can digest them without spoken explanation. #ITeachMath #MathSky #EduSky
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Citizen Math @citizenmath.bsky.social · 05/03/2025
When the #RealWorldMath will also melt your heart. ❤️ Can we start a trend of sharing #ScrappyMath?
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Citizen Math @citizenmath.bsky.social · 04/03/2025
💡Ideas please! How do you build writing skills ✏️ in math class? And by writing skills, I broadly mean *everything* -- from just wielding a pen or pencil, to communicating arguments in written/visual form so that someone else can digest them without spoken explanation. #ITeachMath #MathSky #EduSky
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Citizen Math @citizenmath.bsky.social · 04/03/2025
Have you ever tried to lead a discussion in your classroom but you aren't sure where to start? ⭐️ Teacher Kate Muelling is leading a call to talk strategies, pitfalls, and how to develop a strong community of discourse.👇 #EduSky #MathSky #ITeachMath community.citizenmath.com/posts/80796001
community.citizenmath.com
Real-World Lessons We Love
Have you ever tried to lead a discussion in your classroom but you aren't sure where to start? Join me Wednesday next week (March 12) for a chat about discourse in the math classroom! We'll chat ab...
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Kathy H @kathyhen.bsky.social · 04/03/2025
Hey #ITeachMath #MTBoS friends - any have any interesting research on the impact on students of timed math? More specifically, timed multiplication tests?
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Edutopia @edutopia.org · 04/03/2025
Celebrate Pi Day in any subject! 𝜋 🎉 These engaging, informative activities help students explore pi’s history, applications, and more. #EduSky #ITeachMath
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Celebrating Pi Day Across the Curriculum
Engaging, informative Pi Day activities designed for middle school math, ELA, science, and social studies.
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Citizen Math @citizenmath.bsky.social · 02/03/2025
Today, Sunday 3/2: 1 PM PST | 3PM CST | 4PM EST In this lesson 👇, students evaluate a formula with variables to find the reading level of speeches, + consider the role of a speaker *and a listener* in passing along complex ideas. #ITeachMath #MathSky #RealWorldMath
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Citizen Math @citizenmath.bsky.social · 02/03/2025
Today @ 1PM, join Ms. Look as she shares how her middle school students evaluate formulas with variable to determine the complexity level of different speeches...and debate whether simpler is always better! #ITeachMath #MathSky #RealWorldMath 🌍 community.citizenmath.com/events/is-si...
community.citizenmath.com
Is simpler speech better? (equations & expressions) Featuring My Fellow Americans
In the real-world 🌎  lesson My Fellow Americans by Citizen Math, students evaluate expressions with variables to compare the reading levels of famous speeches in American history and debate the vir...
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Citizen Math @citizenmath.bsky.social · 28/02/2025
"Time to match teachers' dedication" with $10,000 raises for experienced teachers in small, rural schools. What do you think #EduSky? If you were proposing legislation for pay increases, how would you approach it? #RealWorldMath 🌎 www.dallasnews.com/news/educati...
dallasnews.com
Texas Senate approves across-the-board pay raises for teachers
Senators voted 31-0 for Senate Bill 26, sending to the Texas House legislation to give across-the-board raises to educators in Texas.
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Citizen Math @citizenmath.bsky.social · 26/02/2025
💡 Could we get some thoughts from the #ITeachMath and #MathSky community on this: What challenges or uncertainties do you have (or think others might have) around questions that don't have just one right answer....like when students #DebateMath or share opinions?
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Citizen Math @citizenmath.bsky.social · 26/02/2025
#RealWorldMath 💎
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Citizen Math @citizenmath.bsky.social · 26/02/2025
💡 Could we get some thoughts from the #ITeachMath and #MathSky community on this: What challenges or uncertainties do you have (or think others might have) around questions that don't have just one right answer....like when students #DebateMath or share opinions?
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Citizen Math @citizenmath.bsky.social · 25/02/2025
One of the quirks of baseball ⚾️ is that no two MLB ballparks are alike, which means a homer in one city might not have been in another! 💬 What do *you* think: Is this part of the charm or maddeningly unfair? www.citizenmath.com/lessons/out-... #MathSky #ITeachMath #RealWorldMath 🌍 #Quadratics
citizenmath.com
Out of Left Field : A Lesson by Citizen Math
Should Major League Baseball stadiums be standardized? Students use a quadratic function to model the trajectory of the average professional home run and debate whether Major League Baseball stadiums ...
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Citizen Math @citizenmath.bsky.social · 25/02/2025
Did the math. Can confirm. 450 ft homer ⚾️ is....far. 🤩 #RealWorldMath
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Citizen Math @citizenmath.bsky.social · 10/02/2025
Should we nix the penny? 💰 #EduSky 🍎: Will you comment ideas and resources to explore this question as a class -- or on your own! -- so we can create one BIG thread 🧵 on this #RealWorldMath? 🌍 We'll go first. You add on and repost...👇 #MathSky #ITeachMath #PBL www.citizenmath.com/lessons/comm...
citizenmath.com
Common Cents : A Lesson by Citizen Math
Should the U.S. get rid of the penny? Students operate with decimals to calculate the total costs to produce different U.S. coins. Students debate eliminating the penny and then consider a world with ...
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Citizen Math @citizenmath.bsky.social · 10/02/2025
Should we nix the penny? 💰 #EduSky 🍎: Will you comment ideas and resources to explore this question as a class -- or on your own! -- so we can create one BIG thread 🧵 on this #RealWorldMath? 🌍 We'll go first. You add on and repost...👇 #MathSky #ITeachMath #PBL www.citizenmath.com/lessons/comm...
citizenmath.com
Common Cents : A Lesson by Citizen Math
Should the U.S. get rid of the penny? Students operate with decimals to calculate the total costs to produce different U.S. coins. Students debate eliminating the penny and then consider a world with ...
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Citizen Math @citizenmath.bsky.social · 10/02/2025
🗞️Should US nix the penny? Discuss this #RealWorldMath 🌍 in math class with these two 🎁s: (1) NYT gift article access (2) Check this Citizen Math lesson Common Cents is public through Feb. www.citizenmath.com/lessons/comm... Please share. 🩵 www.nytimes.com/2025/02/09/u... #MathSky #ITeachMath
nytimes.com
Trump Orders Treasury to Halt Minting New Pennies to Cut Waste (Gift Article)
Can he do that? It’s not clear. But President Trump is right when he says that pennies “literally cost us more than 2 cents.”
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Citizen Math @citizenmath.bsky.social · 10/02/2025
Did you know it costs more than 3 cents to produce a penny? The term “seigniorage” refers to the difference between how much a coin is worth and how much it costs the US Mint to produce Who's up for a round of #DebateMath re this #RealWorldMath 🌍 from the US Mint?👇 #MathSky #ITeachMath
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Mrs. Strole @mrsstrole.bsky.social · 28/01/2025
HonAlg Ss tackle unit6&7 performance task: where Ss analyze whether college “pays off”. Ss👀how salaries of job, amt of scholarships, & loans impact the❓. @UrbanJason adds his expertise about options the high school offers that can lower the financial impact #makeitreal
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Citizen Math @citizenmath.bsky.social · 04/02/2025
Love this glimpse into a day of #RealWorldMath in the #MathSky. 🩵
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Citizen Math @citizenmath.bsky.social · 03/02/2025
We invited @mrsstrole.bsky.social to lead a call on this #RealWorldMath 🌍 lesson this Sunday! 👇 All are welcome, always. community.citizenmath.com/events/is-hi...
community.citizenmath.com
Is higher education a good investment? 💰 Featuring Opportunities' Cost by Citizen Math | Hosted by Alison Strole
In the real-world 🌎  lesson Opportunities' Costs by Citizen Math, students write and solve systems of linear equations to determine how long it would take to pay off various degrees and discuss the...
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Citizen Math @citizenmath.bsky.social · 03/02/2025
Is there an upside to negative emotions? On a scale of -5 to 5, where everyday gets a general "how good was it" score, what would your ideal week look like? ⭐️ AND - Join us tonight via zoom tonight to talk thru using this lesson in your own class. Link below 👇 All are welcome! #RealWorldMath
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Citizen Math @citizenmath.bsky.social · 29/01/2025
What do folks think: Should we nix the penny?? What should people do with all their old pennies if we do? Discuss, please. 🩵 🍿 #RealWorldMath 🌎 #MathSky #EduSky #ITeachMath
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Citizen Math @citizenmath.bsky.social · 29/01/2025
#RealWorldMath 💎 👇 🌍 Plus a community member drop in? 🎉 ❤️ #MathSky #ITeachMath
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