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I agree. The community on Twitter was great. It was some of the best self directed PD I had experienced. Plus I "met" so many new like minded people (sometimes even in person). It is unfortunate that that platform waned in that capacity. I still post there and look from time to time but I love how the community on Bluesky, although small, is starting to fill that hole.
Curriculum Tags: All
https://bsky.app/profile/mathowitz.bsky.social/post/3mo433ox6222j
Why am I on Bluesky? Because we used to have #mtbos on twitter. Then Twitter turned into X which turned into a steaming pile of vitriol... and I had to leave. A decent amount of us landed here, and even though it's not the same, it's better than nothing.
— Carl (@mathowitz.bsky.social) June 12, 2026 at 11:38 AM
The #math community seems to be growing here and becoming more active. I have presented on how to get the most of being in a community like this many times and here are my tips to grow this PLN and make it useful for educators. Bonus Tip - Use the Feeds: #MathChat #MTBoS #iTeachMath #MathSky
— DavidPetro314 (@davidpetro314.bsky.social) November 23, 2024 at 7:32 PM
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Resource Links
Somehow I missed the May "classic" NCTM calendar.
Curriculum Tags: All
https://karendcampe.wordpress.com/2026/05/01/may-calendar-problems-4/
I think we are going to start seeing a lot of people sharing their @DesmosStudio Notebook pages now that they are available to be created.The May #ProblemSolving Calendar is here! Solve yourself or w/your students & share your working-out thoughts here or on the blog.
— Karen Campe (@KarenCampe) May 1, 2026
*special theme* -- Function Composition #Algebra2 #precalculus#iTeachMath #MTBoS #T3Learns #RecreationalMath #MathsTodayhttps://t.co/Z5IhEWoDqP
Curriculum Tags: MTH1W
https://www.desmos.com/notebook/syajf6ddqw/view
Here's a #Desmos notebook I made to support one of my Algebra 2 lessons next September. I think these will be really useful as "digital manipulatives" that students can play with to build intuition. #EduSky #ITeachMath www.desmos.com/notebook/sya...
— Darth Calculus 🏳️🌈 (@darthcalculus.bsky.social) June 11, 2026 at 8:52 AM
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Video Links
I think this would be a good starter as a catalyst to talk about sums of series.
Curriculum Tags: MCR3U
https://x.com/howie_hua/status/2065493735132086507
You are not going to believe what (1²+2²+3²+...+100²)/(1+2+3+...+100) simplifies to... pic.twitter.com/N59mlCaU5Y
— Howie Hua (@howie_hua) June 12, 2026
Image Links
Here is a fun little puzzle when your students are starting to learn algebra.
Curriculum Tags: MTH1W, Gr8
https://bsky.app/profile/pwharris.bsky.social/post/3mo2fvrkhdk2z
Introducing or reviewing Function notation? This might be a good puzzle#TryThisThursday It's factor puzzle time! The one on the left shows the relationships to apply to the one on the right. What goes in the blanks? How do you know? #MathIsFigureOutAble #MTBoS #ITeachMath #MathEd
— Pam Harris (@pwharris.bsky.social) June 11, 2026 at 7:46 PM
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Curriculum Tags: MCR3U, MCF3M
https://bsky.app/profile/mathsadvance.bsky.social/post/3mo5xdr2x3k2d
How long to solve? Given that f(x) is linear (ax + b) express 'b' in terms of 'a'. #MathSky #MathsToday #ProblemSolving
— Maths Advance (@mathsadvance.bsky.social) June 13, 2026 at 5:36 AM
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