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DavidPetro314

@davidpetro314.bsky.social

380 followers 130 following 76 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 · Nov 24

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

Tips to move beyond a “lurker”
(and/or start to interact with the Online Math Community)
Like - Who benefits: You (it acts like a bookmark) & the Poster (“Yay someone liked what I said”)
Repost - Who benefits: You (it acts like a bookmark), the Poster (“Wow, they liked enough to share it”) & the rest of us (Reposting sends it back to the top of the feed increasing the chance of your followers and their followers to see it)
Comment - Who benefits: You (interaction brings more friends and knowledge), the Poster (the conversation they started continues) & us (entices us to become part of the conversation too)
Post - Who benefits: You (sharing thoughts and resources help to hone your own ideas) & Everyone else (the more discussion, the higher the chance we all learn)
Tips for making your Posts more visible:
Add an image - including a visual has been shown to increase the interaction
Include hashtags (not too many) - a hashtag categorizes your Post and makes it visible to a wider audience than just your followers. Here are some math related hashtags that relate to education: #MathChat #MathsChat #MTBoS #iTeachMath #ElemMathChat #MathArt #MathSky
Tag some people (not too many) - you can tag relevant people (even those who don’t follow you) in the Post or in the Image to increase the conversation potential

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Melynee Naegele @mnmmath.bsky.social · 1d

🎨✨ Math meets art!
Join us for #ElemMathChat
📅 Thurs, 10/9
🕗 8pm CST | 9pm EST
👩‍🏫 Host: Dee Crescitelli
@dcrescitelli.bsky.social
Topic: Math in Art (Beautiful Math)
Let’s talk patterns, symmetry, and the beauty of math in creativity.
#MathEd #ITeachMath #MTBoS #ElemMathChat

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DavidPetro314 @davidpetro314.bsky.social · 3d

[New Post] Ontario Math Links-My favourite #math related links from this week:

ontariomath.blogspot.com/2025/10/math...

Links&help from @howiehua.bsky.social @karencampe.bsky.social @quantamagazine.bsky.social @dawndelvecchio.bsky.social @calarmstrong.bsky.social &more #MathChat #MTBoS #iTeachMath

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oamecounts.bsky.social @oamecounts.bsky.social · 4d

𝓢𝓱𝓪𝓻𝓲𝓷𝓰 𝓑𝓮𝓼𝓽 𝓟𝓻𝓪𝓬𝓽𝓲𝓬𝓮𝓼: the 27th annual TEAMS Math Conference t Brebeuf College School, Sat, Oct 25, 9:30-12:30.
Keynote by @jrappaport27.bsky.social then a breakout session & light lunch.
$15 OAME members, $20 non-members.
More info & to register drive.google.com/file/d/1LggM...
#onted #mtbos

TEAMS Conference Registration 2025.pdf

drive.google.com

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Cal Armstrong @calarmstrong.bsky.social · 6d

On Wed Oct 8th at 8pm, @davidpetro314.bsky.social talks with Chad Harris on Neurodivergence: "Wait, what was I learning? Shedding light on Neurodivergent Experiences in the Classroom"
Register for the @OAMEtalks at mcis.oame.on.ca
More info at docs.google.com/document/d/1...
#mtbos #onted

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Karen Campe @karencampe.bsky.social · 7d

October is here & so is the next month's #ProblemSolving calendar!

Share your thinking (& your students' thinking) here or on the post.
#MTBoS #iTeachMath #T3Learns #RecreationalMath #MathsToday

karendcampe.wordpress.com/2025/10/01/o...

October Calendar Problems

October is here, and with it the crisp fall air here in the northeast US. No matter where you are, you can get a breath of fresh air with some problem solving in your math classes! Here is the 2015…

karendcampe.wordpress.com

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Dawn Del Vecchio @dawndelvecchio.bsky.social · 10d

www.quantamagazine.org/new-math-rev... New Math Revives Geometry’s Oldest Problems. Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very beginning of mathematics. #math #maths #geometry #enumerativegeometry #mathsky #iteachmath #MTBoS

New Math Revives Geometry’s Oldest Problems | Quanta Magazine

Using a relatively young theory, a team of mathematicians has started to answer questions whose roots lie at the very beginning of mathematics.

www.quantamagazine.org

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DavidPetro314 @davidpetro314.bsky.social · 10d

[New Post] Ontario Math Links - My favourite #math related links from this week:

ontariomath.blogspot.com/2025/09/math...

Links and help from @diffgeom.com @robertkaplinsky.com @howiehua.bsky.social @edutopia.org @jennalaib.bsky.social and more #MathChat #MTBoS #iTeachMath

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Original Math Designs @diffgeom.com · 17d

Although my online shop Differential Geometry is a primary source of income, I maintain (on a static html site) a list of other creators' mathematical online shops:

www.diffgeom.org/misc/math_sh...

I hope you will browse and support us all!

#MathSky #MathArt #ITeachmath #SmallBusiness

A deep blue mottled annulus surrounds a black hole, or the moon's disk during a total solar eclipse. On closer gaze, silver ant-like shapes follow each other endlessly around a torus. The torus is tiled with a golden hexagonal grid. Each ant is isolated in its own cell.

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Edutopia @edutopia.org · 18d

By revealing graphs piece by piece, teachers can build student curiosity and guide them to more effectively make sense of data! 📊

#DataLiteracy #EduSky #MathSky

The Power of Slow Reveal Graphs

Teachers can leverage students’ curiosity to explore visual representations of data in an engaging way.

edut.to

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DavidPetro314 @davidpetro314.bsky.social · 17d

[New Post] Ontario Math Links - My favourite #math related links from this week:

ontariomath.blogspot.com/2025/09/math...

Links and help from @mathsjem.bsky.social @edutopia.org @howiehua.bsky.social @murrayh83.bsky.social #MathChat #MTBoS #iTeachMath

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Hana Murray @murrayh83.bsky.social · 20d

Pattern block play! #21CenturyPB #iTeachMath

The image shows a twelve-sided shape created with 21st Century Pattern Blocks. It was built by arranging 6 rectangles and 6 equilateral triangles around a central regular hexagon with each side of the hexagon measuring 2*sqrt(3) inches. The design uses teal kites and pink triangles.

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Edutopia @edutopia.org · 20d

Your middle and high school students might actually forget they’re learning. These rigorous math games get students thinking deeply about mathematical concepts—and loving every minute of it! 🎉

#MathSky #ITeachMath #EduSky

14 Exceptionally Fun Math Games for Middle and High School

Robust skill-building and reinforcement of key mathematical concepts lie beneath the excitement of these games.

edut.to

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DavidPetro314 @davidpetro314.bsky.social · 24d

[New Post] Ontario Math Links - My favourite #math related links from this week:

ontariomath.blogspot.com/2025/09/math...

links & help from @mrcorleymath.bsky.social @mathsweek.scot @darrenmacey.bsky.social @natbanting.bsky.social @maria-naturalmath.bsky.social &more #MathChat #MTBoS #iTeachMath

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Nick Corley @mrcorleymath.bsky.social · 27d

This could be fun! Inspired by Jed's post, find your OLDEST saved graph in @desmos.com and share it! #mtbos #iteachmath

Jed @jedediyah.com · 27d

I have saved Desmos graphs older than you!

#TeacherMilestones

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benjamin dickman @benjamindickman.bsky.social · 28d

just a fun #MathsToday counting problem my colleague set out, which was solved in an unexpected way by students:

How many ways can you arrange the letters A through F such that (A comes before B) and (C comes before D)?

teacher expected: 6!/4=180 (all arrangements, ½ for each condition). Instead:

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Nat Banting @natbanting.bsky.social · 27d

I wrote a new post yesterday:

natbanting.com/play-with-yo...

It’s about the benefits of teachers tinkering with the problems/prompts we offer students.

(And, tangentially, about the benefits of conference spaces where we are given license to do so)

#iteachmath

Play with your Problems

I am a compulsive problem poser. When presented with a mathematical context, I have an incredible amount of difficulty leaving it alone. My teacher instinct is to push, prod, tinker, and/or alter i…

natbanting.com

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DavidPetro314 @davidpetro314.bsky.social · 27d

May 2,2012

www.desmos.com/calculator/2...

Exponential transformation

www.desmos.com

Reposted by DavidPetro314

Darren Macey @darrenmacey.bsky.social · 27d

We would love to hear your thoughts on our new set of maths teaching resources, developed in partnership with @mathsweek.scot
Please share widely! #ITeachMaths #ITeachMath #MTBoS @scotstemambassador.bsky.social @royalstatsoc.bsky.social

Stats in the Wild - Maths Week Scotland

This set of bespoke evidence-based resources are for exploring statistics using outdoor maths.

mathsweek.scot

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DavidPetro314 @davidpetro314.bsky.social · Sep 7

[New Post] Ontario Math Links - My favourite #math related links from this week:

ontariomath.blogspot.com/2025/09/math...

Links and help from @howiehua.bsky.social @abakcus.bsky.social and more #MathChat #MTBoS #iTeachMath

DavidPetro314 @davidpetro314.bsky.social · Sep 3

[New Podcast] This episode features @realjmitchell.bsky.social previewing their Sept 10th #OAME2025 free webinar "Hacking Assessment in the AI Age". More info:

talks.oame.on.ca/season-8

#MathChat #MTBoS #iTeachMath #MathSky

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DavidPetro314 @davidpetro314.bsky.social · Sep 1

Season 8 of OAMEtalks is live at talks.oame.on.ca This season has speakers from #OAME2025

talks.oame.on.ca/season-8 featuring

@realjmitchell.bsky.social Chad Harris @themathguru.bsky.social Stacey Jacobs, Charal Sonya, Rose Mortillaro, Nicole Peckham

#MathChat #MTBoS #iTeachMath

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DavidPetro314 @davidpetro314.bsky.social · Aug 31

[New Post] Ontario Math Links - My favourite #math related links from this week:

ontariomath.blogspot.com/2025/08/math...

Links and help from @calarmstrong.bsky.social @howiehua.bsky.social @edutopia.org @lindsaykittens.bsky.social and more #MathChat #MTBoS #iTeachMath

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Cal Armstrong @calarmstrong.bsky.social · Aug 27

"Teacher as artisan"
@ "Count Me In" from @UofTMath
#onted #mtbos
HT @OAMElearns #mathed

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Cal Armstrong @calarmstrong.bsky.social · Aug 27

#onted #mtbos folks
Lots of options for outreach from @UofT Math Dept.
Check out ways for you and your students to grow!
HT @OAMElearns #mathed

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Lindsay Kittens @lindsaykittens.bsky.social · Aug 23

I’m making the change from primary teaching to secondary maths.

Any recommendations of maths teachers to follow would be welcome.

Thank you.

#maths
#newdirection

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