Are you a doctoral candidate or early career #mathematics educator with a research idea? Don’t miss our upcoming webinar on the Early Career Research Grant—you could receive up to $10,000 in funding! 💰 🗓️ Grant deadline: September 15 This webinar is open to all! Sign up here: nctm.link/ylGyx
Samuel Otten
@ottensam.bsky.social
Professor of math education, host of Math Ed Podcast, co-creator of Practice-Driven PD, plays piano and reads comic books.
I recently had my 100th #MathEd publication so I thought it was a good time to look back and pick my Top Ten favorites: sites.google.com/site/samuelo...
Samuel Otten Online - Math Ed Web Posts
Response to Common Core Math coverage on NBC What Makes a Math Problem GOOD? Tips for Using Videos to Teach Math Remotely Essay on Math Teacher PD: A Paradox and a Contradiction Walk Into a Bar Why Tr...
sites.google.com
I always enjoy talking about algebra teaching and learning. In this conversation with Katrin Klingbeil, we focus on the letter-as-object misconception for variables. #MathEd www.podomatic.com/podcasts/mat...
Katrin Klingbeil - variable conceptions in algebra
Katrin Klingbeil from the University of Duisberg-Essen discusses the article, "The omnipresence of the letter-as-object misconception: A multilevel Latent Transition Analysis on understanding variable...
podomatic.com
My college did a write-up of our Practice-Driven PD (PDPD) project. We are working to support math teachers in the smallest ways possible! #MathEd cehd.missouri.edu/2026/06/smal...
Small nudges, big impact in math classrooms – College of Education & Human Development
The College of Education & Human Development (Mizzou CEHD) prepares and supports professionals in education, information, lifespan, and intervention sciences that improve the quality of life and econo...
cehd.missouri.edu
Trump is trying to impose a bogus political litmus test for all federal grants – limiting the funding, subjects, and potential discoveries of our researchers. The cost of such a test would be felt for generations and could permanently stunt American scientific progress.
White House Seeks to Impose Political Test on Billions in Federal Grants
nytimes.com
.@citizenmath.bsky.social (citizenmath.com) just did something wild. The entire library -- every one of their thoughtfully, beautifully crafted lessons -- is now free.
Welcome to Citizen Math
citizenmath.com
Members of the National Science Board received an email on Friday sent from the Presidential Personnel Office "on behalf of President Donald J. Trump" stating that their position was "terminated, effective immediately." https://to.pbs.org/4ueLXrT
Trump fires independent board overseeing National Science Foundation
Members of the National Science Board received an email on Friday sent from the Presidential Personnel Office stating that their position was terminated.
pbs.org
We presented at #AERA2026 about our work on incremental PD for math teachers. One session was a roundtable w/ other scholars who are becoming skeptical of the aim-for-the-skies transformational PD efforts, so we're trying various incremental approaches. Free Book PDF: www.mdpi.com/books/reprin...
mdpi.com
Pro tip for conference going: Raise your nametag by putting a knot in the lanyard strap. The benefits are having your name displayed closer to your face than your crotch, and when sitting at tables, the name will actually be visible! #AERA2026
It's early but we're presenting at #AERA2026. We shared 18 instructional nudges w/ algebra teachers and let them choose (or ignore) whichever ones they wanted. We'll share the teachers' favorites and least favorites. www.PracticeDrivenPD.com JW Marriott, Level 2, Platinum A 7:45-8:15am PDT #SIGRME
Practice-Driven PD
Low-intensity, high-impact support for math teachers
practicedrivenpd.com
BREAKING: Artemis II lifts off on mission around the moon. nbcnews.app.link/KbL7XEKxZ1b
New episode -- a conversation about Susan Empson's career studying children's thinking, fraction story problems, and teacher noticing. #MathEd www.podomatic.com/podcasts/mat...
Susan Empson - career in math education
Episode 2602: Susan Empson discusses her career in mathematics education research, from the University of Wisconsin through the CGI project and students' fraction strategies to several additional stud...
podomatic.com
Are your students learning about parallel lines and transversals? Try out these two Open Middle problems from Shelli Foust: www.openmiddle.com/parallel... www.openmiddle.com/parallel...
A new season of #Firefly, animated?!?! Yes, please. Without Joss Whedon... even better. www.cracked.com/image-pictof...
After 25 Years of Emotional Trauma, ‘Firefly’ Is Actually Coming Back
Rejoice, Browncoats!
cracked.com
Had a wonderful time at Springfield today sharing the Pairing Problems instructional nudge and a forthcoming one called Side-by-Side (a slight tweak to the Leave a Trace nudge). practicedrivenpd.com/instructiona...
Pairing Problems
Pairing instructional nudge. Sometimes two problems are better than one.
practicedrivenpd.com
I had a conversation with Mona (Math Chat podcast) about instructional nudges for math teachers. #MathEd www.buzzsprout.com/2243739/epis...
buzzsprout.com
Thoughts on state-level math data from #Interface in Missouri: All grades dipped in math proficiency after COVID. Middle school has recovered and surpassed pre-COVID levels, but elementary math has not yet fully recovered. Alg1, Geometry, and Alg2 are trending upward.
Missouri educators at the #Interface STEM conference, stop by the exhibit hall to see Mizzou's outstanding graduate programs. *Master or Ed Specialist degrees *Elem Math Specialist certificate *Online teacher licensure program for those who already have a Bachelor's degree www.mizzoumathed.org
New #MathEd Podcast episode: Nicole Joseph from Vanderbilt U discusses her research on high school Black girls' experiences in math class. And let's just say some thoughts are shared about endless worksheets! But specific advice is also given. Have a listen! www.podomatic.com/podcasts/mat...
Nicole Joseph - Black girls' relationships and experiences in math
Episode 2601: Nicole Joseph from Vanderbilt University discusses the open access article "Conceptualizing intersectional harm in mathematics classrooms: An analysis of high school Black girls' experie...
podomatic.com
The latest ep of an Oral History of Movies by Minutes is up! I talk to @ottensam.bsky.social about his podcast Justice League Universe where he went scene by scene through much of the DCEU starting with Batman v Superman. Give it a listen! #podcast #movies #DC #DCEU open.spotify.com/episode/3fTN...
open.spotify.com
Our PDPD team is here at #AMTE2026 presenting on our instructional nudges for math teachers. 11:00am (Eugene room) how different teachers modified certain nudges in their classrooms 3:00pm (poster session) which nudges were the favorites and least favorites #MathEdResearch practicedrivenpd.com
Practice-Driven PD
Low-intensity, high-impact support for math teachers
practicedrivenpd.com
Welcome to #AMTE2026! Get ready for our opening session: The Future We Teach For Our rock-star panel will discuss the policy shifts currently impacting math classrooms—from equity restrictions to narrow procedural mandates — don't miss it! ⏰️ 8-9:30am 📍 Salon E/F, Lower Level 1
Yay! The kickstarter for our mathy graphic novel AL, Logical is live! www.kickstarter.com/projects/nat... We appreciate any views, retweets, and support for this YA story of curiosity, perseverance, and problem solving.
AL, Logical! A Young Adult Graphic Novel
It's like a math circle, but in a haunted multi-dimensional mansion where a brave artist finds a restless ghost of a mathematician.
kickstarter.com
The AERA 2026 election is now open. All voting members were sent an electronic ballot yesterday, January 21. Voting ends February 19! www.aera.net/Newsroom/AER...
AERA 2026 Election Underway—Vote by February 19
AERA 2026 Election Underway—Vote by February 19
aera.net
@jonfavs.bsky.social Super minor point, but it's come up two weeks in a row... it's not the Law of Averages that you're referring to when you say, in big crowds across the country it's kind of inevitable that some bad things will happen. It's the Law of Truly Large Numbers.
Listen to the latest Teaching Math Teaching podcast w/ Amber Candela, U of Missouri-St. Louis, as she shares her advice and expertise on being a MTE and her role as a co-editor of the Math Teacher Educator Journal, a joint venture between @nctm.org & @amtenews.bsky.social Head to buff.ly/tffrq56
Math educators, if you're free this evening you can join the NCTM Teacher Talk at the top of the hour. www.nctm.org/online-learn... We're discussing a blast from the past, my article that generated by far the most emails & follow-ups. Considering the question, "Why do we need to learn math?"
NCTM – Professional Development Webinars
nctm.org
New episode of the #MathEd Podcast -- Mario Aguilar discusses his review (and special issue!) of Latin American research in math education. #MathEdResearch www.podomatic.com/podcasts/mat...
Mario Sánchez Aguilar - math ed research in Latin America
Mario Sánchez Aguilar from the National Polytechnical Institute in Mexico City, Mexico, discusses the article, "Latin American research on mathematics education: A narrative review" and the accompanyi...
podomatic.com