Math Links for Week Ending Apr. 2nd, 2021

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I have a pile of @Desmos activities that are useable but not ready for primetime (if you are interested here's a link) but I am slowly cleaning them up and releasing them. In this case, it's a way to introduce the Pythagorean theorem by focusing on the area model, well before just looking at the abstract relationship. 
Curriculum Tags: Gr8, MPM1D, MFM1P
https://teacher.desmos.com/activitybuilder/custom/5ef94d7221f7d778901d9338

I've also learned some Pattern Matching in Desmos CL from @MrChowMath and released a couple of others. One on investigating Pi and the other on Scientific Notation (with two versions - one with only positive exponents the other with both positive and negative). 
Curriculum Tags: Gr7, Gr8
https://teacher.desmos.com/activitybuilder/custom/603c2e023614df0d4f67c7aa
https://teacher.desmos.com/activitybuilder/custom/5f713da629b5b60b2f6a5aac
https://teacher.desmos.com/activitybuilder/custom/5f6c7c97a9176f3ebf55f986

[New @Desmos Activity] If you have done an informal activity where students measure the circumference & diameter of various circles to estimate Pi, then this short activity helps to solidify that it's actually 3.14https://t.co/JUNFclWxKi#MathChat #MTBoS #iTeachMath pic.twitter.com/i9lFDB14E6

— David Petro (@davidpetro314) March 28, 2021

[New @Desmos Activity] Thanks to @mrchowmath and his pattern matching tutorial videos, I finally have this set of scientific notation practice problems working wellhttps://t.co/JUNFclWxKi#MathChat #MTBoS #iTeachMath pic.twitter.com/7TFk6SGazM

— David Petro (@davidpetro314) March 28, 2021

Resource Links
I was just talking about this problem in class in the context of Pi Day. Now we have a way to do multiple experiments. 
Curriculum Tags: MDM4U
https://twitter.com/Christophe_Sew/status/1376843025784008710

Toothpicks ✅
Paper ✅@desmos activity ✅

All ready for some Buffon's Needle tomorrow. 🧮https://t.co/S33WXtOwLm@davidpetro314 #ImproveMyAB #ITeachMath pic.twitter.com/QfUSAkxIhs

— Mr. S (@Christophe_Sew) March 30, 2021

Have you heard? There was a ship stuck in the Suez Canal. This article has so much good information, I dare you not to come up with at least one related math problem. 
Curriculum Tags: All
https://www.washingtonpost.com/world/2021/03/25/faq-suez-canal-ever-given/

Lots of information here that you could easily create some #math problems out of https://t.co/dMIF0qnLaK

Pythagorean Theorem, Ratios, Trig, angles and more#MathChat #MTBoS #iTeachMath

— David Petro (@davidpetro314) March 28, 2021

I can't get enough of these #SlowRevealGraphs from @jennalaib. Be sure to check out the entire site for all the posts. 
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U
https://slowrevealgraphs.com/2021/03/29/speedy-animals/

I like skyscraper puzzles, an now a @Desmos version
Curriculum Tags: All
https://twitter.com/TMonark/status/1378074463141519363

I edited @TheErickLee 's awesome #SkyScrappersPuzzle with a "Reset" button with the help of @mrchowmath and offered it to my Geometry class before we start doing #TriangleCongruence and it was fun and full of #LogicalThinking #MTBoS https://t.co/lImwtjpqWj pic.twitter.com/EYF3sYzfm3

— Monark Trivedi (@TMonark) April 2, 2021

Video Links

This is older but I hadn't seen it before. Good for probability discussions including the need for multiply trials in order to have experimental probability match theoretical. Thanks to @robinmath3 for pointing this one out. 
Curriculum Tags: Gr7, Gr8, MDM4U, MBF3C
https://www.youtube.com/watch?v=FRlbNOno5VA

I had to look up what the Euclidian Algorithm was but thanks to this video, I have a better idea. 
Curriculum Tags: Gr7, Gr8

https://twitter.com/howie_hua/status/1369476859092557826

Tactile version of the Euclidean Algorithm pic.twitter.com/Hjj5TEO5Q3

— Howie Hua (@howie_hua) March 10, 2021

A couple more pattern matching videos from @MrChowMath for those Desmos CL-Heads out their
Curriculum Tags: All
https://www.youtube.com/watch?v=oPAevo7CaHU
https://www.youtube.com/watch?v=JTAGsw1InOg

Image Links

Here's a good reminder of why this classic thinking problem is a good one
Curriculum Tags:All
https://twitter.com/MrValencia24/status/1375499464509681667

Inspired by the work of @pgliljedahl, today ss at #WeAreChappaqua experienced a different approach.

Engagement ✔️
Collaboration ✔️
Knowledge Mobility ✔️
Gallery Walk ✔️#ThinkingClassroom ✔️#MathPlay ✔️#MTBoS #ITeachMath #MathisFun #MathRocks #MathArt #MathEd pic.twitter.com/fKPb5JjO02

— Libo Valencia (@MrValencia24) March 26, 2021

And Ever Given keeps giving us math problems
Curriculum Tags: Gr8, MPM1D, MFM1P
https://twitter.com/howie_hua/status/1375660413065437187

Math teachers: "Okay class, given line m is parallel to line n and angle a is 135 degrees, find the measure of the missing angles." pic.twitter.com/7dB25JYxTt

— Howie Hua (@howie_hua) March 27, 2021

This seems like a pretty complex way to calculate root 2 but I like it.

Curriculum Tags: All
https://twitter.com/pickover/status/1375493243266289671

This is mathematics. https://t.co/0pMybzHYfP pic.twitter.com/Qe0s71LpHk

— Cliff Pickover (@pickover) March 26, 2021

I've always like this story about Ramanajan
Curriculum Tags: All

https://twitter.com/fermatslibrary/status/1376525060488454153

1729 was the number of the cab that G.H. Hardy took when he visited S. Ramanujan in the hospital.

Hardy thought it was a "dull number" and Ramanujan replied "it is a very interesting number. It is the smallest number expressible as the sum of two cubes in two different ways" pic.twitter.com/OFc0UATSXR

— Fermat's Library (@fermatslibrary) March 29, 2021