Math Links for Week Ending Apr. 19, 2024

Featured Links

This is cool. A mash up of my current favourite #math podcast and one of my favourite gotos for Internet math content
Curriculum Links: All
https://www.maththerapypodcast.com/share

Resource Links

When this was part of our curriculum it was one of my favourite things to teach. Tim gives a couple of great proofs but one thing I always tried to get out was the connection of the infinite repeating decimal and the unit value. It always led to some great discussions in any course about the meaning of infinity. 
Curriculum Tags: MTH1W, MPM2D, MCR3U, MCV4U
https://twitter.com/TimBrzezinski/status/1781129335425945838
https://twitter.com/TimBrzezinski/status/1781271783049466316

This one raised some eyebrows on both TikTok and Instagram earlier today.

One way that suggests why
0.999999999…(repeating infinitely) is not almost, but EXACTLY equal to 1 pic.twitter.com/B6J68ydMuO

— Tim Brzezinski (@TimBrzezinski) April 19, 2024

Convergent geometric series are cool! pic.twitter.com/XjcAoMMzcC

— Tim Brzezinski (@TimBrzezinski) April 19, 2024

Video Links

Nature and geometry certainly mix well
Curriculum Tags: All
https://twitter.com/gunsnrosesgirl3/status/1781212569882988608

The perfect geometry of Hoya flowers

five-pointed double-star shapes that bloom from a sphere called an umbel

📹 The_cheeky_seedling
pic.twitter.com/5x4YrXqSUy

— Science girl (@gunsnrosesgirl3) April 19, 2024

Image Links

I would love to have a hi resolution version of this. 
Curriculum Tags: All
https://twitter.com/CmonMattTHINK/status/1779587946351350159

The first two hundred factorials.
What do you notice?
What do you wonder? pic.twitter.com/KAenU0dDhb

— Matt Enlow (@CmonMattTHINK) April 14, 2024

When Per capita doesn't help
Curriculum Tags: MDM4U

https://twitter.com/jennalaib/status/1779649315704602695

😳

…and the nerd in me was like, “oh, but what if we displayed the data per capita instead of total serial killers?”
Didn’t help.
Via @DatavizAdventuR (Enrique Mendoza) pic.twitter.com/NzfauHj3Ws

— Jenna Laib (@jennalaib) April 14, 2024

I like this because you could use brute force and count all the hexagons or you could just find the shape that tiles the plane and count the squares on that one.
Curriculum Tags: All
https://twitter.com/JimPropp/status/1779515743362502860

What fraction of the tiles are black? How did you get your answer? pic.twitter.com/dcncNprZ3l

— James Propp (@JimPropp) April 14, 2024