Math Links for Week Ending Oct 11th, 2024

Featured Links

I'm glad there are still math teachers who are willing to talk about their practice and daily experiences in class. In this case it's @SamJShah and combinatorics.
Curriculum Tags: MDM4U
https://samjshah.com/2024/10/10/nerdsniped-by-a-student/

Resource Links

Some of these properties, I didn't know existed for right triangles. That being said, I created a Desmos Geometry sketch that lets you (or your students) test these properties out. 
Curriculum Tags: MTH1W
https://x.com/Math_World_/status/1843919225343398092
https://www.desmos.com/geometry/juwi5wezsd

Note it. You may need. pic.twitter.com/L2lPSkCFv3

— Math World (@Math_World_) October 9, 2024

Video Links

I think this would be a good thing to look at for students of all ages. For the younger ages, it's practice of multiplication and for older grades it practice of number theory.
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1844532173052969207

One of these big numbers is divisible by 4. How can we tell which one it is without using a calculator? pic.twitter.com/2VQAqn1wcj

— Howie Hua (@howie_hua) October 11, 2024

I never thought to visualize this to make more sense. 
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1843816602938290397

How can we visually show why something like sqrt(90)=3sqrt(10)? Rewriting square roots can be seen visually!

(I know the title doesn't sound appealing but I honestly really like the concept lol) pic.twitter.com/peN7k1xwdk

— Howie Hua (@howie_hua) October 9, 2024

Image Links

Now that's a square
Curriculum Tags: All
https://x.com/The4thWayYT/status/1842600717032591488/photo/1

pic.twitter.com/7CvdCnY0vY

— The Fourth Way (@The4thWayYT) October 5, 2024

Math Links for Week Ending Oct 4th, 2024

Featured Links

It was crazy what happen to @JennaLaib but I'm glad so many of our math community came together to show her support
Curriculum Tags: All
https://jennalaib.com/2024/09/29/for-our-math-education-community/

NEW BLOG POST

"For Our Math Education Community"

I want to share how I launched my sessions at NCSM and NCTM last week: with a message about community.https://t.co/oDiAysb5Fb

— Jenna Laib (@jennalaib) September 29, 2024

Resource Links

Ways that you can use post it notes to further understanding in math class
Curriculum Tags: All
https://karendcampe.wordpress.com/2024/09/18/post-it-notes-other-pedagogical-advice/

New blog post! Post-It Notes & Other Pedagogical Advice... some tips for new and not-so-new teachers.#MTBoS #iTeachMath #T3Learns #MathsEd #MathEd #Teaching https://t.co/3cZhc1TGGZ

— Karen Campe (@KarenCampe) September 19, 2024

The October (classic) NCTM calendar problems 
Curriculum Tags: All
https://karendcampe.wordpress.com/2024/10/01/october-calendar-problems-2/

October Calendar of Problems is here! Do some #ProblemSolving with your students (or yourself) & share your working out.
ALSO BONUS CONTENT ARTICLE... check it out!#MTBoS #iTeachMath #T3Learnshttps://t.co/IJkHjsRb4u

— Karen Campe (@KarenCampe) October 1, 2024

Video/Audio Links

What is it like to use sensemaking routines (WODB, Slow Reveal, Same/Different) with coding? Find out on our latest podcast
Curriculum Tags: All
https://talks.oame.on.ca/season-7

[New Podcast] This episode features @mdeutschmtl previewing their Oct 9th @OAMEcounts webinar "Sensemaking routines in coding class". WODB, Slow reveal code, same different but with code. More info:https://t.co/95KyY9ZtpW #mathchat #MTBoS #iTeachMath pic.twitter.com/OyANuumb4R

— OAMEtalks (@OAMEtalks) October 2, 2024

Calculus and Mean Girls, nice
Curriculum Tags: MCV4U
https://x.com/howie_hua/status/1841847428120764904

It's October 3rd, Mean Girls day, so let's learn when the limit does not exist: pic.twitter.com/UXdjnHn8Hq

— Howie Hua (@howie_hua) October 3, 2024

I love this latest episode of People I mostly admire. Such a great story of Ken Ono who dropped out of high school but went on to become a math professor who eventually helped the US swim team win Olympic medals and consulted on the film The Man Who Knew Infinity. See this and all the podcasts I've found related to math at my math podcast page.
Curriculum Tags: All
https://ontariomath.blogspot.com/p/podcasts.html

Ken Ono is a math prodigy whose skills have helped produce a Hollywood movie and made Olympic swimmers faster. The number theorist tells @StevenDLevitt why he sees mathematics as art — and about his unusual path to success. https://t.co/DXV9dj28Lu

— People I (Mostly) Admire (@MostlyAdmiring) September 30, 2024

Image Links

I like problems like this that look like they are missing info but are still do able
Curriculum Tags: Gr8
https://x.com/GeometryPuzzles/status/1841910384326017084

How to solve this geometry problem #geometry pic.twitter.com/kKbii6MLs6

— Math Lover (@GeometryPuzzles) October 3, 2024

Math Links for Week Ending Sept 27, 2024

Featured Links

I've got my proposals ready to go in, how about you?
Curriculum Tags: All
http://oame2025.on.ca/

Submit your proposal at https://t.co/pXBuSikRnv. pic.twitter.com/zCuyPvcifF

— OAMElearns (@OAMElearns) September 24, 2024

Resource Links

I have some serious #NCTMCHI24 FOMO but this reminds me of all the game nights at Twitter Math Camp. 
Curriculum Tags: All
http://bit.ly/HSmathgames24

Thank you all the amazing folks who came and played! Here's the handout & link to slides for my #mathgame session. https://t.co/aXql4N5w2T #nctmchi24

— John Golden (@mathhombre) September 26, 2024

@BerkleyEverett has some great ideas and strategies. Check them out in his upcoming webinar:
Curriculum Tags:  All
https://x.com/BerkeleyEverett/status/1837576104519127484

2 years in the making… excited to finally share this with you all! https://t.co/coxM6niM0y

— Berkeley Everett (@BerkeleyEverett) September 21, 2024

I have always liked the idea of having a bunch of small little applets to use to have students work on and discover properties. 
curriculum Tags: MTH1W
https://www.geogebra.org/m/myqhscbz

Using technology to explore in a thinking classroom. I love it when Ss actively engage with mathematics, regardless of the simplicity or complexity of what it is I want them to discover. (Here, a very simple concept.) https://t.co/7KV2JgaYzp @pgliljedahl @esumstweet @geogebra pic.twitter.com/lfa5wTW1B0

— Tim Brzezinski (@TimBrzezinski) September 16, 2024

I am a big fan of looking at the physical nature of the squares when looking at the Pythagorean Theorem. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://drive.google.com/file/d/1CVlzEy_qLv0QH7HBxCmIQscZckuROG6l/view

Are you a Grade 8 Math Teacher ready to estimate square roots with your students? Perhaps there's an idea you can use inside my latest issue of Play...Persist...Prove!
Click on the link below to find out more!https://t.co/3TOJtS25uu#iteachmath #HRCEmath #mtbos pic.twitter.com/VYh2NREZqQ

— JoAnn Sandford HRCE Math (@joann_sandford) September 25, 2024

Video Links

Perception is everything. 
Curriculum Tags: All
https://x.com/pickover/status/1839062222577782996

Mathematics.

"Balls bouncing in a circle appear to be curving. But they are actually going in straight lines (keep watching)."

By Matt Henderson, @matthen2, used with permission. pic.twitter.com/acK2FbQdyc

— Cliff Pickover (@pickover) September 25, 2024

I think this video would give you some things to do with students when talking about number systems and types of numbers or even something to do that is connected to factoring 
Curriculum Tags: Gr7, Gr8, MTH1W
https://www.youtube.com/watch?v=Zrv1EDIqHkY

Image Links

Like many, I have some serious #NCTMChi24 FOMO but these sketchnotes from @JGough may help alleviate that, starting with those from #NCSM
Curriculum Tags: All
https://x.com/jgough

#NCSM24 Opening @MathEdLeaders Keynote from @edtrust Denise Forte: Not Counting Our Kids Out: Equipping Communities with the Picks, Shovels, Scaffolds, and Other Tools Needed to Develop Math Mindsets in ALL Students pic.twitter.com/LLNiPITK8t

— Jill Gough (@jgough) September 23, 2024

#NCSM24 Unapologetically Teaching Mathematics for Social Justice with @johnw.staley @drkchilds for all children. pic.twitter.com/6sQR52KqDj

— Jill Gough (@jgough) September 23, 2024

OUT with the Old (Rules that Expire) IN with the NEW (Meaningful Representations and Generalizations) with Sarah Bush and Karen Karp #NCSM24 pic.twitter.com/3Gogmg08KA

— Jill Gough (@jgough) September 24, 2024

Helping Teachers Keep Their Students Whole While Identifying Holes in Their Mathematical Understanding Before They Become Barriers to Student Success with @cfryschrock #NCSM24 pic.twitter.com/v3cCxiozqd

— Jill Gough (@jgough) September 25, 2024

Learning Together: Organizing Schools for Teacher and Student Learning with Elham Kazemi, Jessica Calabrese, Alison Fox Resnick, Lynsey Gibbons, Becca Lewis #NCTM24 pic.twitter.com/qVHYHfRzmh

— Jill Gough (@jgough) September 25, 2024

Join the Data Revolution: Why Statistics Rocks K-12! With Kaycie Maddox and Christine Franklin #CPAM HMW foster and develop statistical reasoning and problem-solving for all students? pic.twitter.com/LePDyF7fDY

— Jill Gough (@jgough) September 25, 2024

Helping Students Become Powerful Math Learners with @fawnpnguyen #NCTMChi24 What actions will you take to empower your learners to move to powerful from feeling powerless? pic.twitter.com/lmxUBP1Nhf

— Jill Gough (@jgough) September 26, 2024

Centering Student Voice and Discourse in Primary Classrooms with @ZakChamp #NCTMChi24 What pedagogical moves do you choose to make? How do you check yourself so that we listen more to give airtime to students? #identitywork pic.twitter.com/lwf7Nd3zLI

— Jill Gough (@jgough) September 26, 2024

Be a Goldfish: 5 Key Takeaways for Math Education Inspired by Ted Lasso from @LBrookePowers #NCTMChi24 pic.twitter.com/aHWMJIJZ5A

— Jill Gough (@jgough) September 26, 2024

Accommodations, Not Modifications for Equitable Learning Opportunities with Dan Ilaria #NCTMChi24 plan to leverage students’ strength to open up access to grade-level mathematics for all. pic.twitter.com/yRAyYL8FSe

— Jill Gough (@jgough) September 27, 2024

Four Steps to Fix Math Education with @RobertKaplinsky #NCTMChi24 There is a problem. We have evidence. We must change. What will you do? Take a small step now! pic.twitter.com/IN8u4xeMN4

— Jill Gough (@jgough) September 27, 2024

The First Day of School with @Howie_Hua #NCTMChi24 Building community, confidence, risk-taking, joy of learning mathematics! pic.twitter.com/fcEbOVCE30

— Jill Gough (@jgough) September 27, 2024

Is Math Real? How Simple Questions Lead Us To Mathematics’ Deepest Truths with Eugenia Cheng #NCTMCHI24 pic.twitter.com/iBckijiFeL

— Jill Gough (@jgough) September 26, 2024

Equitable Noticing of Children’s Mathematical Thinking with Jonathan Thomas #NCTMChi24 pic.twitter.com/qhJKZRcSkX

— Jill Gough (@jgough) September 28, 2024

Math-ish: Enchant Your Students with the ‘ish’ Version of Maths! With @joboaler #NCTMChi24 Ishfully for you and your students! pic.twitter.com/M4NHGKzfbs

— Jill Gough (@jgough) September 28, 2024

Math Links for Week Ending Sept 20th, 2024

Featured Links

I think that no matter what level you teach at (or were a student at) this happens. Whether it is the idea of feeling dumb (as a student) or assuming the students know more than they do (as a teacher). As students we have probably all felt this (though maybe at different times in our time as students. 
Curriculum Tags: All
https://mathforlove.com/2024/09/the-centrality-of-stupidity-in-mathematics/

Resource Links

There are so many graphs to choose from on Slow Reveal Graphs, but I like to highlight ones that might resonate with students
Curriculum Tags: Gr7, Gr8, MDM4U
https://slowrevealgraphs.com/2024/08/21/inflation-across-fast-food-chains-from-2014-to-2024/

It's definitely worthwhile for your students who are looking for a challenge to participate in the CEMC math contests
Curriculum Tags: All
https://cemc.uwaterloo.ca/contests/csimc

Educators! Looking to challenge your students’ math skills? Join the Canadian Senior & Intermediate Mathematics Contests (CSMC and CIMC)! 📚

Grades 9-12 & CÉGEP students can test their problem-solving prowess. Order now! #MathContest
https://t.co/hgae1vNxqN pic.twitter.com/PoeNkkqAhn

— CEMC (@UWaterlooCEMC) September 20, 2024

Video Links

Though I'm not a big fan of "keep, change, flip" I always appreciate how @Howie_Hua uses first principles to explain why it works
Curriculum Tags: All
https://x.com/howie_hua/status/1836928878486618372

The property a×1=a seems so basic but believe it or not, it helps explain why "keep change flip" works. Here's how: pic.twitter.com/FIIioXy67h

— Howie Hua (@howie_hua) September 20, 2024

Image Links

Makes sense to me :-)
Curriculum Tags: Gr8
https://x.com/howie_hua/status/1836573933421854907

Complimentary angles pic.twitter.com/DA0Tjj9q5N

— Howie Hua (@howie_hua) September 19, 2024

Math Links for Week Ending Sept 13, 2020

Featured Links

If you have never had a chance to check out @DavidKButlerUoA's blog then you are missing out. Just for a start, try searching, Panda Squares, 100 Factorial or Quarter the Cross and you'll get gold
Curriculum Tags: All
https://www.adelaide.edu.au/mathslearning/news/list

My blog “Making Your Own Sense” has been moved and you can find everything here now:https://t.co/bInNyFL0wd

— David Butler (@DavidKButlerUoA) September 9, 2024

Resource Links

Do you want to know how to think like a mathematician? Check out @Nomad_Penguin to find out
Curriculum Tags: All
https://amiealbrecht.com/2024/09/11/thinking-like-a-mathematician/

NEW Blog Post: ‘Thinking like a mathematician’

We continue our series inspired by Leone Burton’s research, exploring where and how mathematicians think, and offering valuable insights for educators.https://t.co/Ap3JwQmDkb

— Amie Albrecht (@nomad_penguin) September 10, 2024

I love this new daily graph puzzle where you are shown a set of data in graph form and have to choose what data set it could be from
Curriculum Tags: MDM4U
https://www.graphs.world/

Video Links

Somehow I missed that Vi Hart is still making videos. I will have to check my YouTube notification settings. Thanks to @MathHombre for pointing this one out.
Curriculum Tags: All
https://youtu.be/JbKDxHWPFac?si=d0OiQLkagJ4Xdh47
https://youtu.be/lryZpWsktRg?si=uuDsI6Rf3haGurYW

I like how @Howie_Hua continues to demystify stuff that we do with kids without knowing why
Curriculum Tags: All
https://x.com/howie_hua/status/1834386787969761414

The long division algorithm CAN be understandable. Here's how we can think about what's happening: pic.twitter.com/XLJ3w1cYAR

— Howie Hua (@howie_hua) September 13, 2024

Image Links

I approve of this data since Hitchhikers is at the top of the list
Curriculum Tags: All
https://x.com/infobeautiful/status/1833942343293997082

The world's greatest novels, according to 15+ book polls, awards, prizes & lists. How many have you read? https://t.co/ZURbqUJmzL pic.twitter.com/CCodGyraA6

— Information is Beautiful (@infobeautiful) September 11, 2024

Geometry is beautiful
Curriculum Tags: All
https://x.com/PhysInHistory/status/1812921638087979502

Mother nature is a math geek. ✍️ pic.twitter.com/pTZXmKL0cy

— Physics In History (@PhysInHistory) July 15, 2024

When I looked at this at first, my gut was that it wasn't true but it turns out it is. So, a perfect question for students to think through stuff. 
Curriculum Tags: MTH1W
https://x.com/Math_World_/status/1834643442116260229

True or false? pic.twitter.com/vWWYdkynhe

— Math World (@Math_World_) September 13, 2024

Math Links for Week Ending Sept 6th, 2024

Featured Links

The podcast I host is starting it's 7th season and the first episode features @Sig225 talking about the new Ontario centric chatbot, ChatOAME. Listen to the podcast to get a preview and then sign up for the FREE webinar on Wednesday Sept 11th
Curriculum Tags: All
https://talks.oame.on.ca/season-7

[New Podcast] This episode features @sig225 his Sept 11th @OAMEcounts webinar "ChatOAME: AI from an Ontario Perspective", previewing an Ontario #math centric #chatbot. More info: https://t.co/95KyYa01fu

#mathchat #MTBoS #iTeachMath pic.twitter.com/WX22IM9vcK

— OAMEtalks (@OAMEtalks) September 1, 2024

Resource Links

More classic NCTM calendar problems from @KarenCampe
Curriculum Tags: All
https://karendcampe.wordpress.com/2024/07/31/august-calendar-problems/
https://karendcampe.wordpress.com/2024/09/02/september-calendar-problems-2/

Solutions are posted for August Calendar of Problems!
Enjoy #ProblemSolving w/your Ss!
Stay tuned for September calendar next week! #MTBoS #iTeachMath #T3Learns #Math #RecreationalMathhttps://t.co/NWCFGyfeTA

— Karen Campe (@KarenCampe) August 31, 2024

September Calendar of Problems is available! Enjoy some #ProblemSolving with your #Math students this month! #MTBoS #iTeachMath #T3Learns #RecreationalMath https://t.co/R8zSesltsj

— Karen Campe (@KarenCampe) September 2, 2024

@Jason_To has been doing destreaming for years but these are good ideas for any class
Curriculum Tags: All
https://www.ldatschool.ca/moves-for-effective-destreaming-in-math/

“7 Moves for Effective Destreaming in Mathematics Classes”

Every K-12 math teacher in #onted & beyond that teaches in an inclusive setting will find something useful in this article.

Thanks to @LDatSchool for giving me space to share some ideas.https://t.co/Nmzjxol3Ba

— Jason To | 杜澤信 (@Jason_To) August 30, 2024

@JamesTanton continues to treat us with pages from his book as he builds it
Curriculum Tags: All
https://gdaymath.com/lessons/gmp/9-1-chapter-content/

Finished Volume 2 and now starting Volume 3. Marching my way through college algebra content in the way my brain thinks about it all.
Feedback always so appreciated. https://t.co/gPEvhQhxhK@GlobalMathProj pic.twitter.com/KKcrzbK6Vq

— James Tanton (@jamestanton) September 2, 2024

Video Links

Who doesn't like a real world calculus problem?
Curriculum Tags: MCV4U
https://x.com/seanteachesmath/status/1830014338079330780

Calculus teachers around the world looking at their moment to shine. https://t.co/gV93npuHnd

— sean laverty (@seanteachesmath) August 31, 2024

I have to think that he didn't get his fingers right the first time he tried this
Curriculum Tags: All
https://x.com/howie_hua/status/1832184645930426403

How to count in base 2 on your fingers: pic.twitter.com/5fx3nszw8c

— Howie Hua (@howie_hua) September 6, 2024

Image Links

This problem may seem tricky but it can be used to show the power of algebra and equations.
Curriculum Tags: MTH1W
https://x.com/pickover/status/1831064835498582170

Mathematics. 1/2 Problem. pic.twitter.com/d4dH4JC9yh

— Cliff Pickover (@pickover) September 3, 2024

Math Links for Week Ending Aug 30, 2024

Featured Links

I love it people make quality stuff and then share it freely. This is perfect for your Ontario Elementary Math needs
Curriculum Tags: All
https://sites.google.com/wrdsb.ca/math-lrp/home

Exciting news! @wrdsb #mathfacilitators have revamped math long range plans for a tiered approach throughout the school year. Check out the updated plans here: https://t.co/RkzUDSJ01G and learn more about the tiered approach in this video: https://t.co/e2irrURig8

— Rhonda Hewer (@rhondahewer) August 27, 2024

Resource Links

So many examples in the comments
Curriculum Tags: MAP4C, MDM4U
https://x.com/mpfix1/status/1828109846912372940

Please share your favorite examples of absolutely terrible graphs/figures (misleading, confusing, aesthetically abhorrent, etc).

Need examples for a class lecture.

— Mike Fix (@mpfix1) August 26, 2024

Video Links

I like how @Howie_Hua gives us insight into how he starts his courses
Curriculum Tags: All
https://x.com/howie_hua/status/1827343925927145714

Here's the first math task in one of my courses. What are 3 patterns you notice? Where is 1,000 in this grid? pic.twitter.com/vSmRJGXrdT

— Howie Hua (@howie_hua) August 24, 2024

Image Links

If you are dealing with roots then this calculation might be fun for students to try
Curriculum Tags: All
https://x.com/pickover/status/1829617188925555092

Mathematics. Welcome to Heaven. Golden Ratio.

Your Comments Are Welcome. pic.twitter.com/2kpqkvrEZk

— Cliff Pickover (@pickover) August 30, 2024