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DavidPetro314

@davidpetro314.bsky.social
427 followers 152 following 158 posts

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

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DavidPetro314 @davidpetro314.bsky.social · 28/09/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/09/math... Links and help from @theericklee.bsky.social @howiehua.bsky.social @drrowlandson.bsky.social @nomadpenguin.bsky.social and more #MathChat #MTBoS #iTeachMath
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benjamin dickman @benjamindickman.bsky.social · 20/09/2026
not sure how much of this [by Po-Shen Loh but in Terry Tao's blog] is new or couldn't be inferred(ish) from Francis Su's M4HF. and/but! i like this line: > Driving a car faster than you can run is fine. But not faster than you can steer. terrytao.wordpress.com/2026/09/19/w... #iTeachMath #MathSky
terrytao.wordpress.com
Why Do We Need Human Mathematicians Anymore?
[This is a guest post by Po-Shen Loh, crossposted from his blog, where an illustrated version appears. This blog post was initially written in a different file format and converted using AI. &#8212…
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Amie Albrecht @nomadpenguin.bsky.social · 10/09/2026
Listening to the recent ICM panel discussion on 'What Is Math For in the Age of AI?' got me thinking about a much older question. What do we value in learning mathematics? Read my latest blog post here: amiealbrecht.com/2026/09/10/s...
amiealbrecht.com
Should we take the keys away? Learning mathematics in the age of AI
Is AI really changing what it takes to learn mathematics? Haven’t we been asking this question for a hundred years?
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Paul Rowlandson @drrowlandson.bsky.social · 12/09/2026
New blog post - Explores one of my favourite questions to ask after finishing a worked example: What would happen if I changed the question? wp.me/p9t8DE-s8 #mathschat #MTBoS #ukmathschat #iTeachMaths
wp.me
What Would Happen if I Changed the Question?
After completing a worked example on the board, one of my favourite questions to ask is, “What would happen if I changed the question?” More specifically, point to a number or term within the quest…
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Erick Lee @theericklee.bsky.social · 19/09/2026
Math teacher at the gym... on the eliptical machine listening to New Order's Blue Monday and thinking, "I could re-create this animation on @desmos.com." Here is the result www.desmos.com/calculator/k... #ITeachMath
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DavidPetro314 @davidpetro314.bsky.social · 20/09/2026
[New Post] - Ontario Math Links: My favourite #math related links from this week: ontariomath.blogspot.com/2026/09/math... Links & help from @howiehua.bsky.social @maria-naturalmath.bsky.social @fractalkitty.com @pwharris.bsky.social @dawndelvecchio.bsky.social &more #MathChat #MTBoS #iTeachMath
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Pam Harris @pwharris.bsky.social · 17/09/2026
It's time for #MathStratChat! Rules: post your favorite or a clever solution! It's also fun to comment on other's strategies. Tell us about your reasoning. Like/share so others can see! #MathIsFigureOutAble #MathStratChat #MTBoS #ITeachMath #MathEd
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Dawn Del Vecchio @dawndelvecchio.bsky.social · 17/09/2026
www.sciencedaily.com/releases/202... Researchers find a Wordle strategy that wins 99% of the time A mathematical strategy that prioritizes information over lucky guesses can solve Wordle 99% of the time #math #maths #MathSky #MTBoS #iteachmath #Wordle #ShannonEntropy #InformationTheory
sciencedaily.com
Researchers find a Wordle strategy that wins 99% of the time
Researchers at Binghamton University have developed a mathematical strategy that can solve Wordle with a 99% success rate. Instead of simply guessing words packed with common letters or choosing the m...
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Dr. Maria at Natural Math @maria-naturalmath.bsky.social · 11/09/2026
#iTeachMath yay art!
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DavidPetro314 @davidpetro314.bsky.social · 13/09/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/09/math... links and help from @greatlakescenter.bsky.social @joelbezaire.bsky.social @mister-gough.bsky.social and more #MathChat #MTBoS #iTeachMath
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Tom Gough @mister-gough.bsky.social · 10/09/2026
Y9 enjoyed reviewing linear equations in #mathstoday with this from the legendary Don donsteward.blogspot.com/2012/02/line...
donsteward.blogspot.com
linear equations cross-puzzles
ideas and resources for mathematics teachers of 10 to 16 year olds
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Joel Bezaire @joelbezaire.bsky.social · 10/09/2026
#iteachmath
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Segar Rogers @segarrogers.bsky.social · 11/09/2026
I think the maths historians would probably call this a 'surveyors' problem. Am in the process of making a sheet of them ... unless anyone already has such a thing. (The 40 and the 72 are the areas of the rectangles formed by the respective diagonals). #UKMathsChat #iTeachMath
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Great Lakes Center for Education Research and Practice @greatlakescenter.bsky.social · 11/09/2026
Dyscalculia may affect 3–8% of school-age children. So why is it so often overlooked? New CRPE research examines what schools and states can do to better identify and support students. crpe.org/the-missing-... #MathEducation #SpecialEducation
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DavidPetro314 @davidpetro314.bsky.social · 07/09/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/09/math... Links and help from @karencampe.bsky.social @awm-math.org @howiehua.bsky.social @mrcorleymath.bsky.social @johannamath.bsky.social and More #MathChat #MTBoS #iTeachMath
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Johanna Franklin @johannamath.bsky.social · 04/09/2026
I organize this contest, so ask me any questions you've got! #MathSky
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Nick Corley @mrcorleymath.bsky.social · 28/08/2026
Hey #iteachmath. This was the packaging my new coffee filters came in. There has to be a good math question in here somewhere.
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DavidPetro314 @davidpetro314.bsky.social · 05/09/2026
[New Podcast] This episode features @theericklee.bsky.social previewing their Sept 9th @oamecounts.bsky.social FREE webinar "Bigger on the Inside: The Surprising Power of Short Math Routines". More info: talks.oame.on.ca/season-9 #MathChat #MTBoS #iTeachMath
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DavidPetro314 @davidpetro314.bsky.social · 05/09/2026
Season9 of @oamecounts.bsky.social OAMEtalks is live at talks.oame.on.ca This season has speakers from #OAME2026 talks.oame.on.ca/season-9 feat. @theericklee.bsky.social, K. Kozlowski, A. Painter, S.Tyrrel, M. Goveia, M. Munk, @kirstdy.bsky.social @webbkyle.bsky.social #MathChat #MTBoS #iTeachMath
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DavidPetro314 @davidpetro314.bsky.social · 31/08/2026
[NewPost] Ontario Math Links-My favourite #math related links from this week: ontariomath.blogspot.com/2026/08/math... Links&help from @howiehua.bsky.social @mathemagicland.bsky.social @carlblong.bsky.social @fermatslibrary.bsky.social @infobeautiful.bsky.social &more #MathChat #MTBoS #iTeachMath
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Mathemagicland @mathemagicland.bsky.social · 28/08/2026
forgot to share this: I made a tutorial on how to draw anything with a single equation/inequality. youtu.be/NbrvuXib9mk I tried animating it all in @desmos.com but gave up 1 minute into the video and used Davinci Resolve... it was fun to start improving my Desmos animation skills though! #iteachmath
youtu.be
How to draw anything with a single equation #SoME5
YouTube video by Mathemagic Land
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Carl Brandt Long @carlblong.bsky.social · 28/08/2026
In #MathsToday, "Which Deal is Better" sparked discussion about how percentages stack, and whether you can just choose a starting value arbitrarily (Yes!) docs.google.com/presentation... (Sorry - don't remember the source) 3/4
docs.google.com
Which is a better deal?
Which is a better deal?
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DavidPetro314 @davidpetro314.bsky.social · 24/08/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/08/math... Links and help from @janetdnuzzie.bsky.social @desmos.com @hpicciotto.bsky.social @howiehua.bsky.social @celticqueen13.bsky.social and more #MathChat #MTBoS #iTeachMath
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Cat Hughes @celticqueen13.bsky.social · 26/03/2026
#dandelions The sacred geometry of dandelions.
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Desmos Studio @desmos.com · 21/08/2026
Aaaaand...action! You can now add buttons to your Desmos notebooks. #mathsky #iteachmath #desmos
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Janet Nuzzie @janetdnuzzie.bsky.social · 18/08/2026
Woohoo for our 2026-2027 #MathGals Club! @MarianaBreaux, @WymanEvan, & myself invite ALL of our Grade 4 #PISDMathChat girls to join us for conversations focused on #MathGals of the Present & Future! @MrsNewell22 #ElemMathChat #NCSM #NCTM #TCTMTalk #TASMTalk
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Henri Picciotto @hpicciotto.bsky.social · 20/08/2026
Guest post by Liz Caffrey: how one middle school handles AI blog.mathed.page/2026/08/19/t... #mtbos #iteachmath #mathed
blog.mathed.page
Teaching Math in the Age of AI
This is a guest post by Liz Caffrey, a former mentee and colleague, now a master middle school teacher near Boston. I’ll link to her previous blog contributions at the end. — Henri Teaching M…
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DavidPetro314 @davidpetro314.bsky.social · 16/08/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/08/math... Links and help from @howiehua.bsky.social @jennalaib.bsky.social @duanehabecker.com @ontspecialneeds.bsky.social #MathChat #MTBoS #iTeachMath
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Jenna Laib @jennalaib.bsky.social · 14/08/2026
New #SlowRevealGraph Europe is about to be slammed with yet another heat wave. Why is this so dangerous -- especially when compare with high temperatures in the US and China? Link to slow reveal graph below. Via Our World in Data
slowrevealgraphs.com
Share of Households with Air Conditioning, By Country or Region, 2025
Why are European heat waves so much deadlier than similar temperatures in the US?
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ONTSpecialNeeds @ontspecialneeds.bsky.social · 14/08/2026
Intelligence does not eliminate disability or special education needs. A student can be academically capable and still require significant support with executive functioning, communication, regulation, sensory needs, organization, social interaction or other areas. #Onted #Edusky
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Duane Habecker @duanehabecker.com · 12/08/2026
I recently heard an episode of RadioLab about the Swedish Navy. It inspired me to think deeply about the Fish Farts of education. #iTeachMath #mtbos duanehabecker.substa...
The thumbnail that says "Fish Farts of Education"
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Duane Habecker @duanehabecker.com · 11/08/2026
My TWO steps for creating a classroom culture that embraces productive struggle. Step 1: Teach wide math, not narrow math. Step 2: Explore-first instructional strategies #iTeachMath #mtbos I jotted down my thoughts here: duanehabecker.substa...
A thumbnail of my blog, post entitled "Building a culture that embraces productive struggle"
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DavidPetro314 @davidpetro314.bsky.social · 10/08/2026
[New Post] Ontario Math links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/08/math... Links and help from @karencampe.bsky.social @mathsjem.bsky.social and more #MathChat #MTBoS #iTeachMath
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Jo Morgan @mathsjem.bsky.social · 03/08/2026
New! My 201st gems post. Ideas, updates and resources for maths teachers. 💎 www.resourceaholic.com/2026/08/5-ma... #mathstoday #ukmathschat #alevelmaths
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Karen Campe @karencampe.bsky.social · 02/08/2026
The #ProblemSolving Calendar is back! (sort of). Check out the August Palette of Problems to set the stage in math class this school year. #MTBoS #iTeachMath #T3Learns #RecreationalMath #MathSky #MathsToday karendcampe.wordpress.com/2026/08/02/a...
karendcampe.wordpress.com
August Calendar Problems
How is it possible that it’s August already? I’m sure that summer days pass faster than winter days, even though there’s more daylight! Many teacher friends are heading back to sc…
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DavidPetro314 @davidpetro314.bsky.social · 03/08/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/07/math... links and help from @edutopia.org @pwharris.bsky.social @fractalkitty.com @mathmisery.bsky.social @howiehua.bsky.social and more #MathChat #MTBoS #iTeachMath
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HexSumGame.com @mathmisery.bsky.social · 31/07/2026
Try out today's daily HexSum puzzles! hexsumgame.com/daily-2 Also, support this endeavor with Pro account and unlock more modes and options. It's a one-time purchase of $7. Cheaper than a breakfast bagel and coffee up here in these parts. A 🐝 mode is coming :) -- #HexSumGame #gamedev #mathsky
hexsumgame.com
HexSum
Use all hexes and find paths that add to the target value. Daily puzzles, timed runs, play against the CPU or friends. No ads. No subscription plan. No in-app purchases. Always fun.
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Pam Harris @pwharris.bsky.social · 31/07/2026
Have you seen Counted Out? Up til now it's only been available at watch parties and now you're invited. Here's your chance! RSVP to watch watch.eventive.org/countedout/p... #MathIsFigureOutAble #MathChat #MTBoS #ITeachMath #MathEd #Mathematics
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Edutopia @edutopia.org · 31/07/2026
You don’t have to be a math teacher in a past life to give good feedback to your school’s educators. ➗ Try these 3 approaches that help school leaders give math teachers valuable information about how to improve their teaching practices. #SchoolLeaders #ITeachMath
edutopia.org
3 Ways to Give Math Teachers Effective Feedback
School leaders can use these ideas to provide math teachers with discipline-specific insights for improving their instructional practices.
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Fractal Kitty @fractalkitty.com · 31/07/2026
I wrote a post about the embedded interactives on my site: www.fractalkitty.com/about-intera... #mtbos #indieWeb #mathLearning #iTeachMath #iteachStem #mathInquiry #p5js #svelte #d3js
fractalkitty.com
About Interactives: Inquiries.link
I would like to start this post with a thank you to members of this site for making both this blog and inquiries.link more sustainable. I've been asked about some of the toys I've made for interactiv...
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DavidPetro314 @davidpetro314.bsky.social · 27/07/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/07/math... links and help from @fawnnguyen.substack.com @howiehua.bsky.social @curiouspolymath.bsky.social and more #MathChat #MTBoS #iTeachMath
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Pete Wung The Curious Polymath @curiouspolymath.bsky.social · 16/07/2026
#Mathsky
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Fawn Nguyen @fawnnguyen.substack.com · 24/07/2026
So excited to share I found a way to keep visual patterns up for good—and it got a great new makeover too! Check it out: fawnnguyen.substack.com/p/visual-pat...
fawnnguyen.substack.com
Visual Patterns, Rebuilt
Going on its third and final (yes!) version
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DavidPetro314 @davidpetro314.bsky.social · 20/07/2026
[New Post] Ontario Math Links - My favourite #math related links from this week: ontariomath.blogspot.com/2026/07/math... Links and help from @marybourassa.bsky.social @simongerman600.bsky.social @howiehua.bsky.social @jamestanton.bsky.social and more #MathChat #MTBoS #iTeachMath
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Howie Hua @howiehua.bsky.social · 17/07/2026
How to pronounce pentagonal, hexagonal, heptagonal, polygonal
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Mary Bourassa @marybourassa.bsky.social · 13/07/2026
This could be interesting for students to think about fractions and percentages. #MathSky #MathsToday
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DavidPetro314 @davidpetro314.bsky.social · 13/07/2026
[New Post] Ontario Math Links - My Favourite #math related links from this week: ontariomath.blogspot.com/2026/07/math... Links and help from @fawnnguyen.substack.com @mathsjem.bsky.social @howiehua.bsky.social and more #MathChat #MTBoS #iTeachMath
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DavidPetro314 @davidpetro314.bsky.social · 06/07/2026
[New Post] Ontario Math Links - My favourite #math links from this week: ontariomath.blogspot.com/2026/07/math... Links and help from @davidkbutler.bsky.social @howiehua.bsky.social @transum.bsky.social @camatsumoto10.bsky.social @teacher2teacher.bsky.social and more #MathChat #MTBoS #iTeachMath
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transum.bsky.social @transum.bsky.social · 03/07/2026
Mixed media learning (sounds good). Students complete construction exercises using a pencil, ruler and compasses, then measure a length on their construction. They type it online, which awards the mark if within a given tolerance. www.transum.org/Intro/?ID=403 #mathsresources #mathstoday
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Carol Matsumoto @camatsumoto10.bsky.social · 03/07/2026
@camatsumoto10.bsky.social
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