Math Links for Week Ending Nov. 21st, 2025

Featured Links

Very cool new Polypad feature making it possible to assign a new Amplify Classroom (Formally Desmos Classroom) activity.
Curriculum Tags: All
https://service.amplify.com/article/amplify-classroom-using-polypad-in-activity-builder

Exciting Polypad update! Educators can now create and assign an @amplifyeducation.bsky.social activity directly from a saved Polypad. Learn more at polypad.amplify.com/p#help-whats-new

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— David Poras (@davidporas.bsky.social) November 13, 2025 at 11:57 AM

Resource Links

What a great idea to infuse literacy in your math class
Curriculum Tags: MDM4U
https://bsky.app/profile/jedediyah.com/post/3m663bgtx7c2t

Shared a Thanksgiving gift with my data science students today! I spend a couple months collecting used copies. Next month we will read chapter 3 Arms Race and reflect on feedback systems and the susceptibility and sensitivity of data models to manipulation.

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— Jed (@jedediyah.com) November 21, 2025 at 3:03 PM

Video Links

Are you looking for something to do to have your kids practice with calculations including powers? How about this?
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1990126409168142536

What digit is in the ones place when we evaluate 67⁴¹? pic.twitter.com/CQs5VivHNT

— Howie Hua (@howie_hua) November 16, 2025

Image Links

The most common 4 digit PIN numbers, visualized
Curriculum Tags: MDM4U
https://informationisbeautiful.net/visualizations/most-common-pin-codes/

WARNING! This image may trigger PINSecurity. From an analysis of 3.4m PIN codes leaked from several data breaches informationisbeautiful.net/visualizatio...

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— Information is Beautiful (@infobeautiful.bsky.social) November 21, 2025 at 10:55 AM

Math Links for Week Ending Nov 14th, 2025

Featured Links

Years ago I wrote about using Plickers (here) and so it was neat to see it come up. It's an almost no-tech way to do instant surveys in class.
Curriculum Tags: All
https://wecdsbit.blogspot.com/2014/11/plickers-free-clicker-app-with-almost.html

I wrote a blog post about Plickers over 10 years ago. Thanks for the reminder: wecdsbit.blogspot.com/2014/11/plic...

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— DavidPetro314 (@davidpetro314.bsky.social) November 8, 2025 at 8:52 AM

Resource Links

I love a good and practical combinatorics problem
Curriculum Tags: MDM4U
https://robertkaplinsky.com/work/how-many-soda-combinations-are-there-on-a-coke-freestyle/

Coke Freestyle machines allow you to take soft drinks and add up to 14 flavors to them. What strategies might your students use to determine how many soda combinations there are on a Coca-Cola Freestyle? robertkaplinsky.com/work/ho...

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— Robert Kaplinsky (@robertkaplinsky.com) November 5, 2025 at 6:14 PM

Video Links

The normal distribution as performance art
Curriculum Tags: MDM4U
https://x.com/Rainmaker1973/status/1988846789542441288

You can literally see the normal distribution pic.twitter.com/WdHpAD3TCE

— Massimo (@Rainmaker1973) November 13, 2025

A good starter for your class when talking about numbers or patterns
Curriculum Tags; Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/1988740091372871929

Can you find 1,000 in this grid?

This is one of my favorite mathematical tasks that I give to students. pic.twitter.com/roNjuEnEE9

— Howie Hua (@howie_hua) November 12, 2025

I have always liked this falacy
Curriculum Tags: All
https://x.com/howie_hua/status/1987539561405428139

Why can't we just say 0/0=1?

I showed one way why this would break math. What's another way? pic.twitter.com/ctsm28fBjm

— Howie Hua (@howie_hua) November 9, 2025

Image Links

Who doesn't love a taxicab number?
Curriculum Tags:All
https://x.com/PhysInHistory/status/1988616819977154726

You are a math geek if you know what this number is ✍️ pic.twitter.com/LXcEMPFCql

— Physics In History (@PhysInHistory) November 12, 2025

Math Links for Week Ending Nov 7th, 2025

Featured Links

I have definitely experienced frustration from students when I don't answer their questions directly "Sir, when are you actually going to teach us?".
Curriculum Tags: All
https://robertkaplinsky.com/one-way-get-students-persevere/

Do your students ever get frustrated when you don't help them as much as they'd like? Here's what I tell them to appreciate what I'm doing for them.https://t.co/mewWggLbTM pic.twitter.com/dVywtjKL8T

— Robert Kaplinsky (@robertkaplinsky) November 3, 2025

Resource Links

Some classic NCTM calendar problems
Curriculum Tags: All
https://karendcampe.wordpress.com/2025/11/01/november-calendar-problems-3/

November is here, and so is the next Calendar of problems! Enjoy these with your students or for yourself, share your thinking here or on the post. #MTBoS #iTeachMath #T3Learns #MathSky #RecreationalMath #MathsToday karendcampe.wordpress.com/2025/11/01/n...

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— Karen Campe (@karencampe.bsky.social) November 1, 2025 at 8:19 AM

Video/Audio Links

The latest OAMEtalks podcast
Curriculum Tags: All
https://talks.oame.on.ca/season-8

[New Podcast] This episode features Stacey Jacobs previewing their Nov 12th @oamecounts.bsky.social members only webinar "Empowering Math Learners: Executive Function Strategies to Support Math Learning". More info: talks.oame.on.ca/season-8 #MathChat #MTBoS #iTeachMath

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— DavidPetro314 (@davidpetro314.bsky.social) November 3, 2025 at 11:01 PM

Math class is not a race
Curriculum Tags: Gr7, Gr8, MTH1W

https://x.com/howie_hua/status/1984623920608395686

Hot take but I always see videos of the butterfly method go viral but I would *never* teach this method and here's why. pic.twitter.com/hJplB1Tzu4

— Howie Hua (@howie_hua) November 1, 2025

Image Links

There is data about everything :-)
Curriculum Tags: MDM4U
https://bsky.app/profile/infobeautiful.bsky.social/post/3m4yr7lqxot2p

Dude, bro, buddy, fella by Quartz @qz qz.com/316906/the-d...

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— Information is Beautiful (@infobeautiful.bsky.social) November 6, 2025 at 6:55 PM