Math Links for Week Ending May 17, 2024

Featured Links

If you are into Building Thinking Classrooms then you might be interested in the fact that they have just redone their website. And if you head over there then you might want to start with the resource page
Curriculum Tags: All
https://www.buildingthinkingclassrooms.com/resources

The @BTCthinks team are excited to unveil the new https://t.co/B2nABK6QqI site. You'll find it full of new information on BTC, books, thinking tasks, research, events, consulting, merchandise and more! We hope the site is valuable to the #buildingthinkingclassrooms community. 1/2 pic.twitter.com/K2P7Er3uyg

— Peter Liljedahl (@pgliljedahl) May 15, 2024

Resource Links

Some fun with triangular numbers and visualizing them with @Desmos. Especially if you are introducing quadratic relations. 
Curriculum Tags: MPM2D
https://twitter.com/Desmos/status/1788205292791939202

Recursion lets us extend visual patterns like these “triangle numbers”, allowing us to define a function in terms of a previous term. What are you going to make next?
Explore the graph: https://t.co/uPcLG84L6j
Learn more about recursion: https://t.co/cBRP6ZBNUd pic.twitter.com/sjhAFhf8X7

— Desmos (@Desmos) May 8, 2024

A nice resource to visualize running probabilities
Curriculum Tags: MDM4U
https://twitter.com/jcponcemath/status/1791058715023720833

The law of large numbers states that the average result from a series of trials will converge to the expected value.@geogebra applet to explore the law of large numbers:https://t.co/R8fqVsIl5B#iteachmath #simulation pic.twitter.com/kXOsnbdoG6

— ∞ 𝕁uan ℂarlos (@jcponcemath) May 16, 2024

Here is a nice resource for understanding outliers on scatterplots
Curriculum Tags: MTH1W, MDM4U
https://twitter.com/geogebra/status/1791523353922277855

🧠👩‍🏫 GEOGEBRA RESOURCE! 👟📖

Try this FREE GeoGebra Exploration resource to experiment with how data points can affect the clusters in a scatter plot and table.
Check it out!https://t.co/DtGfyrZgyt#MTBoS #iteachmath #math pic.twitter.com/S796x3uBgD

— GeoGebra (@geogebra) May 17, 2024

Playing around with scatterplots dynamically to look at correlation
Curriculum Tags: MTH1W, MDM4U, MAP4C

Lo fácil que es hacer esto con @geogebra y lo que puede iluminar un concepto. https://t.co/qJIxm89EAt pic.twitter.com/37J6AEzmJU

— Alejandro Gallardo ۞ (@alegallardo28) May 17, 2024

Video Links

The power of doubling
Curriculum Tags: MPM2D, MBF3C, MAP4C

https://twitter.com/howie_hua/status/1789286317467341249

How many times do we need to fold a piece of printer paper in half so it is as thick as the distance between Earth and the moon? pic.twitter.com/EDZpU65gO5

— Howie Hua (@howie_hua) May 11, 2024

That famous math problem meme
Curriculum Tags: All
https://twitter.com/saravdwerf/status/1789382946840785000

Proof that math word problems happen in real life. There IS someone out there with a cart of watermelons….and it’s not a math teacher. 😂😂😂 #TikTok https://t.co/a1thIVHaTu

— Sara VanDerWerf (@saravdwerf) May 11, 2024

I like this because it gives some nice context for the difference of squares
Curriculum Tags: MPM2D
https://twitter.com/howie_hua/status/1790900918998929674

Can you mentally calculate 14×26? 35×45? 91×89? If not, see how difference of squares can help you. pic.twitter.com/TB2YwZHs6F

— Howie Hua (@howie_hua) May 16, 2024

Image Links

Are you introducing plotting on an xy plane then you might want to start with a graph like this to help get students into the meaning of the quadrants in a friendly way
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/infobeautiful/status/1788930750223438166

What's the best #dog breed, according to the data? The #dataviz dog-lovers have been waiting for: https://t.co/FvflKWXJhS pic.twitter.com/ooxFtYbxvg

— Information is Beautiful (@infobeautiful) May 10, 2024

This could be a good starter in your math class 
Curriculum Tags: All
https://twitter.com/j_lanier/status/1789233483732435037

Here are 12 dots on a 5x5 grid. No 4 of them make a square. But no matter where you add 1 more dot to this arrangement, a square gets made. (Check it!)

Can you place more than 12 dots on the grid and avoid making any squares?

If you're a teacher & this piques your curiosity... pic.twitter.com/8fKgzGKt2t

— Justin Lanier (@j_lanier) May 11, 2024

A probability question for you
Curriculum Tags: MDM4U
https://twitter.com/pickover/status/1790377113733800196

Mathematics.

Assume that Amy has a 20% chance of becoming pregnant after a romantic encounter (RE). How many REs would Amy need — to have a greater than 95% chance of becoming pregnant. pic.twitter.com/RS6CyclYhn

— Cliff Pickover (@pickover) May 14, 2024

Someone doesn't understand proportions
Curriculum Tags: All
https://twitter.com/davidpetro314/status/1790680990576193943

Something that sounds sensational but is really normal: " so 25% of every dollar is at least 25 cents" https://t.co/cdfibt5cWd

— David Petro (@davidpetro314) May 15, 2024