Math Links for Week Ending Oct 3, 2025

Featured Links

As someone who has ADHD, it was interesting to interview a kindred spirit about his own journey and how he uses it in class
Curriculum Tags: All
https://talks.oame.on.ca/season-8

[New Podcast] This episode features Chad Harris previewing their Oct 8th @OAMEcounts members only webinar "Wait, what was I learning? Shedding light on Neurodivergent Experiences in the Classroom". More info: https://t.co/FNER2hKfFF #MathChat #MTBoS #iTeachMath pic.twitter.com/quwV0B6lQA

— OAMEtalks (@OAMEtalks) October 3, 2025

Resource Links

Some historical geometry for you
Curriculum Tags: All
https://www.quantamagazine.org/new-math-revives-geometrys-oldest-problems-20250926/

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

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— Dawn Del Vecchio (@dawndelvecchio.bsky.social) September 28, 2025 at 11:54 AM

Some more classic calendar problems
Curriculum Tags: All
https://karendcampe.wordpress.com/2025/10/01/october-calendar-problems-3/

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...

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— Karen Campe (@karencampe.bsky.social) October 1, 2025 at 8:12 AM

Video Links

Some algebra, some factoring, nice
Curriculum Tags:MTH1W
https://x.com/howie_hua/status/1973882582996824123

If chicken nuggets only came in boxes of 6 and 7, what's the largest order not possible? pic.twitter.com/TDVVNgZD29

— Howie Hua (@howie_hua) October 2, 2025

Image Links

This is just your average math joke
Curriculum Tags: MDM4U
https://x.com/howie_hua/status/1974217785669472351

Mean Girls but it's a movie about Cady learning the different types of mean. pic.twitter.com/Z7CEaIZ8Sm

— Howie Hua (@howie_hua) October 3, 2025

Math Links for Week Ending Sept 26, 2025

Featured Links

Who doesn't like a bit of math and art. Here are a bunch of sites where you can purchase some mathematical art. From T-shirts to posters to sculptures. 
Curriculum Tags: All
https://www.diffgeom.org/misc/math_shops.html

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

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— Original Math Designs (@diffgeom.com) September 21, 2025 at 10:38 AM

Resource Links

It's funny because it's true
Curriculum Tags: All
https://theonion.com/majority-of-americans-never-use-physical-education-afte-1819570362/

I love The Onion's parody of the often heard "When will I ever use this?" comment but applied to physical education: https://t.co/nh4AsQuYrJ pic.twitter.com/mOuCp1oUMR

— Robert Kaplinsky (@robertkaplinsky) September 20, 2025

I never miss a chance to promote Slow Reveal Graphs
Curriculum Tags: All
https://www.edutopia.org/article/using-graphs-promote-data-literacy-elementary-school

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

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— Edutopia (@edutopia.org) September 20, 2025 at 10:34 PM

Video Links

I like being able to visualize something that you never thought you could
Curriculum Tags: MTH1W, MPM2D
https://x.com/howie_hua/status/1969764417563967740

Did you know that we can visually see why sqrt(40)=2sqrt(10)? Let's see how we can visualize rewriting square roots! pic.twitter.com/WHHcV4obkL

— Howie Hua (@howie_hua) September 21, 2025

Image Links

Calculus humour
Curriculum Tags: MCV4U
https://x.com/pickover/status/1969477890753331220

Suzy, studying math, warps reality. Math joke for cats. pic.twitter.com/v9UQhWPv9Q

— Cliff Pickover (@pickover) September 20, 2025

Math Links for Week Ending Sept 19th, 2025

Featured Links

I always like to highlight other compilations of resources 
Curriculum Tags: All
https://www.resourceaholic.com/2025/09/5-maths-gems-192.html

New! My 192nd gems post. Ideas, updates and resources for maths teachers. 💎https://t.co/tY0izsANzd

Hat tips will follow on Bluesky.#mathsgems #mathschat #teammaths #mathscpdchat #mathstlp pic.twitter.com/PraThyu47s

— Jo Morgan (@mathsjem) September 13, 2025

Resource Links

I'm all for tricking students into learning :-)
Curriculum Tags: All
https://www.edutopia.org/article/14-exceptionally-fun-math-games-for-middle-and-high-school

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

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— Edutopia (@edutopia.org) September 18, 2025 at 6:14 AM

Video Links

Anytime you can visualize something that is abstract then it's a good thing.
Curriculum Tags: MHF4U
https://x.com/howie_hua/status/1969156757969646077

Drawing can help make polynomial division easier! pic.twitter.com/daopCIM8wb

— Howie Hua (@howie_hua) September 19, 2025

This would be a good prompt for a discussion on number sense
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1968814676700959175

Applying the divisibility rule of 9 feels like a superpower pic.twitter.com/dA8nNlqMLy

— Howie Hua (@howie_hua) September 18, 2025

Image Links

I love the imbedded rectangles
Curriculum Tags: All
https://bsky.app/profile/murrayh83.bsky.social/post/3lz4y5znjnc2q

Pattern block play! #21CenturyPB #iTeachMath

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— Hana Murray (@murrayh83.bsky.social) September 18, 2025 at 2:29 PM

Math Links for Week Ending Sept 12, 2025

Featured Links

This is a super fun prompt. My first saved graph was from May 2, 2012
Curriculum Tags: All

https://bsky.app/profile/mrcorleymath.bsky.social/post/3lyks7kcmek2a

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

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— Nick Corley (@mrcorleymath.bsky.social) September 11, 2025 at 8:54 AM

Resource Links

I never say no to new stats resources
Curriculum Tags: MDM4U
https://mathsweek.scot/schools/learning-resources/stats-in-the-wild

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

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— Darren Macey (@darrenmacey.bsky.social) September 11, 2025 at 2:37 PM

I like to use the word "tinker" but @NatBanting talks about the nature of playing with a problem
Curriculum Tags: All

https://natbanting.com/play-with-your-problems/

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

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— Nat Banting (@natbanting.bsky.social) September 11, 2025 at 8:22 AM

Video Links

A nice strategy for comparing fractions
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/1965934153943363706

Fraction comparison strategy: Same parts away from the whole pic.twitter.com/747SUsx9Tw

— Howie Hua (@howie_hua) September 11, 2025

Image Links

Fun with tiling
Curriculum Tags: All
https://bsky.app/profile/maria-naturalmath.bsky.social/post/3lxkzkilwmk2y

Organic-looking curves made out of simple polygons? My jam! #iTeachMath #MathSky

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— Maria D. at Natural Math (@maria-naturalmath.bsky.social) August 29, 2025 at 5:41 PM

Math Links for Week Ending Sept. 5th, 2025

Featured Links

We are starting our 8th season of OAMEtalks. Webinars for our OAME members but the first one is always free. That's Jamie Mitchell talking about Hacking Assessment with AI. Register now for the webinar on Sept 10th and listen to the podcast preview now. 
Curriculum Tags: All
https://talks.oame.on.ca/season-8

Season 8 of @OAMEcounts OAMEtalks is live at https://t.co/0Tk5NbHctV

This season has speakers from #OAME2025https://t.co/FNER2hKfFF featuring@realJ_Mitchell Chad Harris @TheMathGuru @mrsstaceyj @CharalSonya @rosemortillaro @MsNicolePeckham #MathChat #MTBoS #iTeachMath pic.twitter.com/atSH5vD3u8

— OAMEtalks (@OAMEtalks) September 1, 2025

[New Podcast] This episode features @realJ_Mitchell
previewing their Sept 10th @OAMEcounts free webinar "Hacking Assessment in the AI Age". More info:https://t.co/FNER2hKfFF #mathchat #MTBoS #iTeachMath pic.twitter.com/bXXRMjSysU

— OAMEtalks (@OAMEtalks) September 3, 2025

Resource Links

@MathyCathy gives us some sobering thoughts and advice about the recent change from Desmos to Amplify 
Curriculum Tags: All
https://www.mathycathy.com/blog/2025/08/amplify-classroom-%E2%89%A0-desmos-classroom/

Are you a teacher planning to use @Amplify Classroom with students during SY 25-26?
Here's some advice to consider! #iteachmath
Amplify Classroom ≠ Desmos Classroom https://t.co/ApMoYxHcNv

— Cathy Yenca (@mathycathy) August 16, 2025

Video Links

This makes the dividing algorithm make sense 
Curriculum Tags: All
https://x.com/howie_hua/status/1963011782483787947

How do we do this "new" way of dividing? pic.twitter.com/wGsv6Fg0O1

— Howie Hua (@howie_hua) September 2, 2025

I never shy away a visual for multiplication
Curriculum Tags: Gr7
https://x.com/howie_hua/status/1962184847277068773

If you want to be better with multiplication, think about rectangles. Here's what I mean: pic.twitter.com/ubpmQt6Hql

— Howie Hua (@howie_hua) August 31, 2025

Image Links

A nice simple relationship that seems too good to be true
Curriculum Tags: Gr7, Gr8
https://x.com/abakcus/status/1963704620162920862

Three squares on the left, two on the right.
Perfect balance. ⚖️

10² + 11² + 12² = 13² + 14² pic.twitter.com/fHktRDbdPF

— Abakcus (@abakcus) September 4, 2025

Math Links for Week Ending Aug 29, 2025

Featured Links

Some resources for teachers in the GTA but this list is useful for any teacher
Curriculum Tags; All
https://bsky.app/profile/calarmstrong.bsky.social/post/3lxf6z4dxbc2v
https://bsky.app/profile/calarmstrong.bsky.social/post/3lxf5whojwc2v

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

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— Cal Armstrong (@calarmstrong.bsky.social) August 27, 2025 at 10:02 AM

#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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— Cal Armstrong (@calarmstrong.bsky.social) August 27, 2025 at 9:43 AM

Resource Links

Having students actually write about topics in math class can be useful
Curriculum Tags: All
https://www.edutopia.org/article/short-writing-task-elementary-math

Check out 3 focused writing activities that can help students build confidence in their math skills *and* bond with their classmates! 👀 #MathSky #ITeachMath #ElementaryTeacher #EduSky

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— Edutopia (@edutopia.org) August 29, 2025 at 7:37 AM

Video Links

Mathematical dates are always fun
Curriculum Tags: Gr8, MTH1W, MFM2P, MPM2D
https://x.com/howie_hua/status/1960814706639454458

We are a month away from one of the coolest mathematical dates of our lifetime! pic.twitter.com/HEGHBwGomC

— Howie Hua (@howie_hua) August 27, 2025

Image Links

Every math teacher needs this cup
Curriculum Tags: All
https://bsky.app/profile/lindsaykittens.bsky.social/post/3lx3tku6nes2z

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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— Lindsay Kittens (@lindsaykittens.bsky.social) August 23, 2025 at 4:44 PM

Math Links for Week Ending Aug 22, 2025

Featured Links

I like problems like this because they seem very complex (or at least using brute force might be difficult) but with they can be solved with elegant simplification.
Curriculum Tags: MDM4U
https://x.com/pickover/status/1957992246025810135

Mathematics, Factorials, Mystery. pic.twitter.com/V9NFhPjDTD

— Cliff Pickover (@pickover) August 20, 2025

Resource Links

I love the connection of something folksy and something new
Curriculum Tags: All
https://samjshah.com/2025/08/19/embroidering-an-aperiodic-tiling/

ACK! Another #MathArt post! I'm on a roll. Mainly because I'm trying to distract myself from the reality that school is starting up soon for me. Here's my embroidered aperiodic tiling. samjshah.com/2025/08/19/e... Instructions from: www.threadedtheorems.com/aperiodic-ti... #MTBoS

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— samjshah.bsky.social (@samjshah.bsky.social) August 18, 2025 at 9:23 PM

Video Links

This could be a good math starter
Curriculum Tags: All
https://bsky.app/profile/howiehua.bsky.social/post/3lwjl5yogrk25

A fun math magic trick and why it works:

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— Howie Hua (@howiehua.bsky.social) August 16, 2025 at 10:25 AM

Image Links

Finally an answer to the question "where will we need this?"
Curriculum Tags: MTH1W
https://bsky.app/profile/curiouspolymath.bsky.social/post/3lww77gtiis24

#mathsky

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— Pete Wung The Curious Polymath (@curiouspolymath.bsky.social) August 21, 2025 at 10:56 AM

I also wonder where they came up with those numbers. Looks like a graphing activity if you ask me. Linear regression to the rescue.
Curriculum Tags: MTH1W, MDM4U, MAP4C
https://x.com/bobloch/status/1958339726085427516

As a math teacher, I'm intrigued by the pricing model for 50/50 tickets by the @Twins #iteachmath pic.twitter.com/8VntHj8CJf

— Bob Lochel (@bobloch) August 21, 2025