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

Math Links for Week Ending Aug 23rd, 2024

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Throughout the year @MathsJem likes to highlight some of her favourite resource finds (much like I do here). In this post, she highlights some of here favourites from the year. And although there are some British centric ones, math is math. Take a look. 
Curriculum Tags: All
https://x.com/mathsjem/status/1825124684515418171

New! A post that summarises some of the developments, trends and resources for maths teachers from the past year.

Kind of like a mega-gems-catch-up post to make sure everyone is up-to-date. 💎https://t.co/60IwfkxIwQ#mathsgems #mathschat #teammaths #mathscpdchat #mathstlp pic.twitter.com/nvRYe6cLOt

— Jo Morgan (@mathsjem) August 18, 2024

Resource Links

For many of us the beginning of the year looms, for others, it has already started. And whether you are at the beginning of the year or somewhere in the middle, having an engaging starter is always helpful. 
Curriculum Tags: All
https://teacher.desmos.com/activitybuilder/custom/66c7580e0b53cf4c63186365

Dive into a math task on Day 1 because math is fun, and building community is essential. Your classroom "rules & procedures" can be part of doing the math. (I tell them where the exits are if there's a fire.)
I just made this new task in Polypad/Desmoshttps://t.co/jtTfjS0Pzr

— Fawn Nguyen (@fawnpnguyen) August 22, 2024

If you ask me, you can never have too many digital manipulatives
Curriculum Tags: All
https://x.com/StudyMaths/status/1827055307908084165 

Start of term shout-out to my collection of 30+ digital manipulatives.

All free and simple to use.https://t.co/iMLBnIOxbU pic.twitter.com/ieMnppiRSq

— Jonathan Hall (@StudyMaths) August 23, 2024

If you have the OG TI-84s in your classes, then this is a great compendium of stuff to help you out
Curriculum Tags: All
https://karendcampe.wordpress.com/2021/08/31/a-back-to-school-tour-of-the-ti-84/ 

Check out the whole tour of explainer posts:#MTBoS #iTeachMath #T3Learnshttps://t.co/M0UPlDcu5m

— Karen Campe (@KarenCampe) August 22, 2024

Video Links

I have heard @Howie_Hua mention this tweak before and I think it's a nice adjustment for any teacher in any subject
Curriculum Tags: All
https://x.com/howie_hua/status/1825237519237349605

Teaching tip: Several years ago, I've retired the question "Do you have any questions?" and replaced it with "Ask me at least 2 questions" to help normalize questions in the classroom. pic.twitter.com/AcjdAGeSG1

— Howie Hua (@howie_hua) August 18, 2024

For some reason I couldn't stop watching this
Curriculum Tags: All
https://x.com/Rainmaker1973/status/1825052507099312189

Animation vs geometry

[🎞️ Alan Becker]pic.twitter.com/gESZ29UD57

— Massimo (@Rainmaker1973) August 18, 2024

Image Links

I see you 7x8
Curriculum Tags: MDM4U
https://x.com/infobeautiful/status/1826664385369997492

Quick! What's 6 x 8?
This heatmap shows the trickiest multiplications for kids aged 5-8. Love to see a similar study on adults to see how they compare! #dataviz #maths pic.twitter.com/hvook2D8VD

— Information is Beautiful (@infobeautiful) August 22, 2024

Hey, there is no Canadian cuisine? What about poutine or beaver tails?
Curriculum Tags: MDM4U
https://x.com/infobeautiful/status/1826301998183903289

World's favourite cuisines. 25,000 people in 24 countries were asked which nation's food they preferred. Interesting results 🍕 via @yougov pic.twitter.com/3qcU7mkykB

— Information is Beautiful (@infobeautiful) August 21, 2024

Math Links for Week Ending Aug 16th, 2024

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I think this may be much more inclusive way to think about running a math class. That is, make your math classes welcoming and challenging rather than easy or hard.
Curriculum Tags: All
https://hechingerreport.org/teacher-voice-instead-of-worrying-about-whether-math-is-easy-or-difficult-lets-make-it-welcoming/

Even though I know better, I spend too much time thinking about "how hard" to make math lessons.

My attempt to exorcise that demon:https://t.co/YUMxLi1NXi

— Ben Orlin (@benorlin) August 13, 2024

Resource Links

As a former math department head, it's good to see something that might help a new department head 
Curriculum Tags: All
https://www.resourceaholic.com/2024/08/challenges-for-head-of-maths.html

New! A post about being a Head of Maths (the good bits and the challenges). Aimed at teachers who are stepping up to a HoD role for the first time in September. www.resourceaholic.com/2024/08/chal...

[image or embed]

— Jo Morgan (@mathsjem.bsky.social) Aug 10, 2024 at 12:56 PM

I love the fact that the verb "tinker" appears here.
Curriculum Tags: All
https://amiealbrecht.com/2024/08/14/toward-a-curriculum-of-verbs/

NEW Blog Post: ‘Toward a curriculum of verbs’

More on the power of verbs and the image they convey of mathematics. Plus, an invitation to share your favourites!https://t.co/NFn8kGXcGu#MTBoS

— Amie Albrecht (@nomad_penguin) August 13, 2024

Video Links

A fun (and tasty) geometric series
Curriculum Tags: MCR3U
https://www.youtube.com/watch?v=Xd9UZSodeN8

Image Links

Ya gotta love those 21st Century Pattern Blocks
Curriculum Tags: All
https://x.com/MurrayH83/status/1824184086853997002

Pattern block play! #21CenturyPB pic.twitter.com/r5IPBhP2Z6

— Hana Murray (@MurrayH83) August 15, 2024

Math Links for Week Ending Aug 9th, 2024

Featured Links

As a triathlete I know all to well about how it is faster to swim efficiently than by brute strength. It turns out that there is a lot of math, data and physics used to help Olympic athletes reach their potential. 
Curriculum Tags: All
https://quantamagazine.org/how-americas-fastest-swimmers-use-math-to-win-gold-20240710/

Kate Douglass, a grad student in statistics at UVA, broke the U.S. Olympic trials’ all-time record in the 200 m breaststroke in June. She’s headed to the Paris Olympics, which start today. Mathematical analysis is a crucial part of her strategy. https://t.co/2x4mqHVSyz pic.twitter.com/xm8vR0wIdG

— Quanta Magazine (@QuantaMagazine) July 26, 2024

Resource Links

This activity is basically about giving students multiple prompts (one at time) under the premiss "oops I forgot to tell you this about that thing I just said....". There are several examples here plus a much more extensive description on how to pull it off. 
Curriculum Tags: All
http://natbanting.com/oops-i-forgot/

Some website tinkering today.

New #OIFMath example inspired by Hannah Parsons about building linear tables of values. https://t.co/qjVtNYOzJF

— Nat Banting (@NatBanting) August 8, 2024

Video Links

Two activities that @Howie_Hua uses with his classes on day one. One more mathematical and one more esoteric. 
Curriculum Tags: All
https://x.com/howie_hua/status/1819837389084426502
https://x.com/howie_hua/status/1821166904599351675

Here is my first mathematical activity I do in my courses: pic.twitter.com/vbyQrb9MQi

— Howie Hua (@howie_hua) August 3, 2024

A couple days ago I shared my first mathematical activity I do in my courses, but that isn't my first *actual* activity. Here's the first activity I do in my math courses: pic.twitter.com/5WxiKsG6ud

— Howie Hua (@howie_hua) August 7, 2024

Image Links

I'm not sure that it's the toughest problem but it still makes your student's think, especially if using equations. 
Curriculum Tags: MPM2D
https://x.com/engineers_feed/status/1819970049777565869

World's toughest problem pic.twitter.com/pk2U4EcZLt

— World of Engineering (@engineers_feed) August 4, 2024

This seems like a very accessible starter that you could do on multiple levels
Curriculum Tags: All
https://x.com/StudyMaths/status/1819812000433897835

Is there more green triangle or more empty space?#MathsOnHoliday pic.twitter.com/bu1DTnVnBu

— Jonathan Hall (@StudyMaths) August 3, 2024

As someone who has a mathematical tattoo, I get this
Curriculum Tags: All
https://x.com/PaulBattaglia/status/1821259995163566264

That feeling when you're casually watching the #2024Olympics and you see the Dutch sprinter with a velocity formula tattooed on her arm!

Knowledge is power!#mathiseverywhere #apcalculus pic.twitter.com/dHieC49shX

— Paul Battaglia (@PaulBattaglia) August 7, 2024

Math Links for Week Ending Aug. 2

Featured Links

It's never too early to start getting ready for Pi Day. 
Curriculum Tags: All
https://www.idm314.org/#theme

We're thrilled to announce that the theme for the 2025 International Day of Mathematics is “Mathematics, Art, and Creativity”. This theme celebrates the creativity found in both mathematical discovery and art.

Learn more:https://t.co/13UlRo10dI pic.twitter.com/agdB7iY3Qh

— International Day of Mathematics (@idm314) August 1, 2024

Resource Links

Get your latest (retro) set of calendar problems here:
Curriculum Tags: All
https://karendcampe.wordpress.com/2024/07/31/august-calendar-problems/

It's baaaaack... the Calendar of Problems for August is posted for all of you who are back to school already!
Enjoy some #ProblemSolving with your students & tell us how it went! https://t.co/NWCFGyeH42#MTBoS #iTeachMath #T3Learns #RecreationalMath

— Karen Campe (@KarenCampe) July 31, 2024

I bet the average person would have difficulty with the way this store sets up this series of discounts but the math works and this is a real example of where you successive percent discounts that have to equal a specific individual discount. 
Curriculum Tags: MTH1W
https://karendcampe.wordpress.com/2024/07/26/prime-percents/

Happy Friday! New Blog Post: "Prime Percents: Understanding Successive Percent Changes"#MTBoS #iTeachMath #T3Learnshttps://t.co/fhXGtUzSoC

— Karen Campe (@KarenCampe) July 26, 2024

Are you using Thinking Classroom's in your class? Wondering about how to assess if using it? Then @TimBrzezinski and @mccainm are speaking a lot about practical ways to do so . Here are some updated resources on the website  (including a digital dynamic rubric). And check out the video below for a longer form description.

Curriculum Tags: All
https://x.com/TimBrzezinski/status/1817882283342254483

Welcome to v4.0 of the BTC auto grading rubric: Ss can now EASILY SEE where they are and where they're going! Check out these updates: https://t.co/pLzW9IX46n

Get your new copy here & feel free to explore the new site: https://t.co/KTlNjv1QuL @mccainm @pgliljedahl @BTCthinks pic.twitter.com/ceZzN8oEy8

— Tim Brzezinski (@TimBrzezinski) July 29, 2024

Video Links

Here are @TimBrzezinski and @mccainm speaking with a webinar on assessing with Thinking Classrooms.
Curriculum Tags: All

https://www.youtube.com/live/IWcRvG3mfdk

Image Links

Here's a great exercise when dealing with percent (and to check if the values are actually correct).
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/mburnsmath/status/1817570442330411495

Crazy prices. I asked. There's a 4% discount if you pay by cash. Hmmm. pic.twitter.com/zPe5zOWOVg

— Marilyn Burns (@mburnsmath) July 28, 2024

I will never miss an opportunity to like a different representation of the difference between accuracy and precision.
Curriculum Tags: MDM4U
https://x.com/pickover/status/1819067329918988289

Mathematics, statistics, life.

The Difference Between Accuracy and Precision.
(Source: https://t.co/Bih3HLrA1U) pic.twitter.com/wlwvVNeFrl

— Cliff Pickover (@pickover) August 1, 2024

So many memes about this Turkish target shooter
Curriculum Tags: All
https://x.com/howie_hua/status/1819459405236392045 

Making lesson plans as a 1st year teacher vs a 10th year teacher pic.twitter.com/6QarijG0Sp

— Howie Hua (@howie_hua) August 2, 2024

Math Links for Week Ending July 26th, 2024

Featured Links

There are a lot of days that you can celebrate mathematically, the most recent was Pi Approximation Day
Curriculum Tags: All
https://x.com/howie_hua/status/1815355640019030452
https://x.com/MathigonOrg/status/1815386427284230252

A thread about pi approximation day:

(22/7)

— Howie Hua (@howie_hua) July 22, 2024

Happy #PiApproximationDay! Did you know 22/7 is a really good approximation for π? Learn more at https://t.co/pCiTRqg7mK pic.twitter.com/tKiOq2O5Bb

— Mathigon (@MathigonOrg) July 22, 2024

Resource Links

I'm always happy to share the work that @JamesTanton shares. Especially the chapters of nis new mathematics resource as they are completed
Curriculum Tags: All
https://x.com/jamestanton/status/1815145832443994125

Marching on with ARITHMETIC, ALGEBRA & RADICAL COMPREHENSION OF MATH.
Chapter 15, Exponents, draft is out.
(Very much a draft. Not sure if I like it. Could just be in algebra weeds now. Let me know if you think it works. Curious!)https://t.co/gPEvhQhxhK#mtbos @GlobalMathProj pic.twitter.com/pSNxr3PR8Q

— James Tanton (@jamestanton) July 21, 2024

Video Links

I'm a big fan of the area model for multiplication, especially when dealing with fractions and binomials
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/1816606026998907059

Do you know how to multiply using rectangles/area models? If not, here's a quick explainer: pic.twitter.com/akiKubO45e

— Howie Hua (@howie_hua) July 25, 2024

Image Links

More fraction fun from @ProfSmudge
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/ProfSmudge/status/1815721769535226135

Fraction of a fraction?? pic.twitter.com/qWIWa7vWtT

— Professor Smudge (@ProfSmudge) July 23, 2024

This is a fun area problem that you only need minimal evidence about properties of circles to solve. 
Curriculum Tags: Gr8, MTH1W
https://x.com/ybgoi/status/1815968753777086705

Calculate the shaded area of the circle, O ? pic.twitter.com/X6otHH3WBN

— Yacob Goitom (@ybgoi) July 24, 2024