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