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Seth I. Rich

@richmath.org

Hi. I'm Seth. I like you. Mathematics Educator. He/him/his. F+V-E=2. Baltimore, MD. I speak only for myself, not for any employer or professional association.

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Latest posts by Seth I. Rich @richmath.org

"I ♥️ my Union" pin, on my canvas bag.

"I ♥️ my Union" pin, on my canvas bag.

I ♥️ my union.

(This is candidate swag but I don't post this to endorse the candidate.)

14.03.2026 15:13 👍 1 🔁 0 💬 0 📌 0

It's an interesting division of themed clothing. Lots of union and social-justice clothing. But also St. Patrick's outfits and Pi Day outfits.

14.03.2026 13:24 👍 0 🔁 0 💬 0 📌 0
Just me. I couldn't take a picture where I was satisfied with the expression on my face.

Just me. I couldn't take a picture where I was satisfied with the expression on my face.

Still in Chicago. Wearing my new, garish π-day t-shirt, caffeinating, getting ready for more @neatoday.bsky.social leadership work with @tabco.org .

14.03.2026 13:04 👍 4 🔁 0 💬 2 📌 0
Post image

There she is!

14.03.2026 00:06 👍 2 🔁 0 💬 0 📌 0
National Education Association 
2026 Leadership Summit
Resilience. Respect. Power.
Saving Public Education and Our Democracy

National Education Association 2026 Leadership Summit Resilience. Respect. Power. Saving Public Education and Our Democracy

I'm in Chicago with @neatoday.bsky.social for @tabco.org, waiting for @neapresident.bsky.social to kick off this leadership work.

13.03.2026 23:11 👍 3 🔁 0 💬 1 📌 0

BTW I love this song but it is NSFW.

11.03.2026 10:23 👍 0 🔁 0 💬 0 📌 0
"Honey we're the big door prize" printed on a large (magnetic) fair ticket. From John Prine's "In Spite of Ourselves."

"Honey we're the big door prize" printed on a large (magnetic) fair ticket. From John Prine's "In Spite of Ourselves."

In spite of ourselves...

11.03.2026 10:19 👍 1 🔁 0 💬 1 📌 0

Do you suggest that the government will choose to ignore a binding ruling from a court with jurisdiction?

17.02.2026 21:21 👍 1 🔁 0 💬 1 📌 0
Post image

It's cold and early but I'm at @marylandeducators.bsky.social to work with new leaders with @tabco.org!

14.02.2026 14:25 👍 2 🔁 0 💬 0 📌 0

Do I know anyone in the Baltimore area who's capable of cleaning out a dusty PS5? I want to fix an overheating problem. I'd also appreciate a pointer, if you know someone capable.

(This is not for a favor, this is obviously for pay.)

15.01.2026 11:12 👍 1 🔁 1 💬 0 📌 0

Only these clowns could misspell "2025."

01.01.2026 16:33 👍 0 🔁 0 💬 0 📌 0

So pleased that the eavesdropping robot produces puff pieces.

12.12.2025 11:34 👍 0 🔁 0 💬 0 📌 0

I don't have covid but I've got something which has kicked my butt for the past week. Bless you, good luck.

11.12.2025 20:26 👍 0 🔁 0 💬 1 📌 0

Back when I did PalmOS programming, I really appreciated that the meager resources forced efficiency and design. Space was at a premium and memory leaks crashed the devices quickly.

I don't get the sense that programmers on more forgiving devices ever needed to learn design or efficiencies.

27.11.2025 01:49 👍 3 🔁 0 💬 0 📌 0

I want this as a poster to hang in my classroom.

27.11.2025 01:16 👍 3 🔁 0 💬 0 📌 0

Posts like yours remind me I'm glad to have left professional coding.

27.11.2025 01:12 👍 3 🔁 0 💬 1 📌 0

Is the post you're responding to deleted? I see nothing.

20.11.2025 01:32 👍 0 🔁 0 💬 1 📌 0

From A to B is 2 units (no vertical movement, 2 units horizontally). From B to C is 9 units (no horizontal movement, 9 vertical).

This means the area is 2 by 9 = 18 square units.

05.11.2025 03:17 👍 1 🔁 0 💬 1 📌 0

Is there an ical export? I'd love to just shove all these things on my calendar.

02.11.2025 19:00 👍 0 🔁 0 💬 1 📌 0

... the Baltimore County Executive who was not even elected to that role.

01.11.2025 17:00 👍 3 🔁 0 💬 1 📌 0

I would turn it down. Geno's was only passable in Philadelphia, and when they started their THIS IS AMERICA SPEAK ENGLISH nonsense I never went back. If they show up here in Baltimore I'll continue ignoring them. We can do better at any pizza shop.

01.11.2025 16:55 👍 0 🔁 0 💬 0 📌 0

It just didn't come up for me, I didn't even get to the picture. Thank you.

31.10.2025 08:23 👍 1 🔁 0 💬 0 📌 0

Are you sure about $glitter2?

31.10.2025 02:55 👍 0 🔁 0 💬 2 📌 0

What was it?

16.10.2025 21:59 👍 0 🔁 0 💬 1 📌 0

I lurk the Baltimore Bluesky but I almost never post any more anywhere.

I do like coffee though.

01.09.2025 19:12 👍 1 🔁 0 💬 0 📌 0

Is "where?" a fair question?

01.09.2025 17:40 👍 1 🔁 0 💬 1 📌 0

Is this a Baltimore-area shop?

01.09.2025 17:38 👍 0 🔁 0 💬 1 📌 0

Learning to do anything well requires the ability to push through doing it not-so-well.

I'm a teacher and I see too many kids who don't fully understand this and give up too easily.

25.08.2025 10:38 👍 0 🔁 0 💬 0 📌 0

Today's return-to-school for staff (for students, it's next Monday). I'm optimistic but my bladder is not quite ready to return.

18.08.2025 10:49 👍 3 🔁 0 💬 0 📌 0

I like that every question has the answer D.

18.08.2025 00:50 👍 16 🔁 0 💬 2 📌 0