Math Links for Week Ending Oct 26th, 2024

Featured Links

The @OAMEcounts Leadership conference is virtual this year. Check it out 
Curriculum Tags: All
https://oame.on.ca/mcis/index.php?ph=activate

I am excited to announce this year's OAME Leadership virtual event. Dr Rachel Lambert (@mathematize4all) will be sharing her session "Designing Equitable Mathematics from the Margins: UDL Math" with educators across Ontario. Register at: https://t.co/9aaYOPtO8M
Pls retweet pic.twitter.com/nQ500m5vGd

— Mark Chubb (@MarkChubb3) October 20, 2024

Resource Links

This is a neat strategy. Maybe give it a try
Curriculum Tags: All
https://docs.google.com/presentation/d/1Oq99RxhocBiV68C2cKjt85BfFGaXqJVU3E_U9CHuA8o/edit#slide=id.g1c75540970e_0_0

My favorite slide from one of my favorite talks at @NCTM. One of the biggest challenges facing math teachers (whether they know it or not!) is turning wrong answers into learning. Behold! The Super Wrong, Kinda Right continuum. /by @ottensam https://t.co/r6VuU0AY5t pic.twitter.com/BNTOu6JVEV

— Dan Meyer (@ddmeyer) October 17, 2024

Dealing with distance time graphs? Then this resource might be for you (and your students)
Curriculum Tags: MTH1W
https://x.com/DrFrostResource/status/1846914071569822009

In our new resources on Distance-Time and Speed-Time Graphs, we have included many visualisations to help students to grasp the different features of these graphs.

You can find them linked below @DrFrostMaths:

Distance: https://t.co/hTBPpuRx1U
Speed:https://t.co/pSEz6utFPz pic.twitter.com/UtNp0io065

— Dr Frost Resource Team (@DrFrostResource) October 17, 2024

Some fun with complex numbers
Curriculum Tags: All
https://x.com/LukeSelfwalker/status/1847677762049310818

Julia Sets in Desmos. Choose your own complex number for c and see what pattern you can create.https://t.co/dPKn0msMDz pic.twitter.com/X5Ia1lo8wx

— Luke Walsh (@LukeSelfwalker) October 19, 2024

Earlier this year the wodb.ca site went down but now all of the resources have been hosted by @TriangleManCSD on his Talking Math with Kids site
Curriculum Tags: All
https://talkingmathwithkids.com/wodb/

New home for #wodb is live!https://t.co/NddEDQ8wrK

Still lots of tweaks forthcoming, but most of your faves are there and easy to find.#mtbos #iteachmath

— Christopher Danielson (@Trianglemancsd) October 14, 2024

It seems simple but I think a nice way to have kids get into solving equations is to do a set of problems like this.
Curriculum Tags: MTH1W
https://www.tes.com/resource-detail/area-51-reverse-area-of-quadrilaterals-13134865

I made this towards the end of our topic on quadrilaterals (and they had previously done circles). Pupils always need more practice of working backwards, and this worked well: the difficulty ramps up nicely. Worksheet with answers is at https://t.co/olfodqTsYL pic.twitter.com/TlYjGnTSgL

— Paul Smith (@drpas1001) October 17, 2024

Video Links

I'm all for resources that take things that may seem abstract at first and make them concrete
Curriculum Tags: MPM2D, MCF3M, MBF3C
https://x.com/howie_hua/status/1848882653656977751

In high school, I didn't realize completing the square literally means to complete the square. Here's what I mean: pic.twitter.com/lSAt0uwV5q

— Howie Hua (@howie_hua) October 23, 2024

Image Links

I always like these fraction activities. 
Curriculum Tags: Gr7, Gr8
https://x.com/MathsCirclesOz/status/1847368820991938653

A neat puzzle-

1. Shade any 2 sections
2. What fraction of the square is shaded?
3. What other fractions are possible? Impossible?

This puzzle kicked off discussions at a workshop for PD Hub members. pic.twitter.com/u7i18u4cTa

— Michaela Epstein (@MathsCirclesOz) October 18, 2024

Math Links for Week Ending Oct 18th, 2024

Featured Links

I always used to start my lesson on squaring binomials with this but extended it to the form (n + a)² = n² + 2na + a² and would start by asking kids for whole numbers close to 50 and I would square them in my head before looking at the algebra that showed why it worked.
Curriculum Tags: MPM2D, MFM2P, MCR3U, MCF3M, MBF3C
https://x.com/howie_hua/status/1845116066386804979

If you know one perfect square, here's how you can mentally calculate the next perfect square: pic.twitter.com/ugD9qCOfb2

— Howie Hua (@howie_hua) October 12, 2024

Resource Links

I appreciate that @JennaLaib continues to add to her collection of slow reveal graphs and I also like the reminder that we shouldn't steer away from controversial topics. Check out some of the new graphs including the one on the correlation between gun deaths and gun laws. 
Curriculum Tags: MDM4U, MAP4C
https://slowrevealgraphs.com/

Video Links

I'm a big fan of quick dynamic student explorations, especially in geometry
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/TimBrzezinski/status/1846846388207865990

Transversal cuts parallel lines — Quick student exploration: https://t.co/nPtWIxvdY6 @geogebra #MTBoS #ITeachMath pic.twitter.com/G5zBXcnY0I

— Tim Brzezinski (@TimBrzezinski) October 17, 2024

Image Links

If you are playing with prime numbers then this is neat. 561 is a not a prime number but by over 100 different prime tests it comes up as prime. 
Curriculum Tags: MTH1W
https://findthefactors.com/2015/07/23/561-quick-prime-number-tests/

Mathematics.

"561" is an interesting number. It gives a "false positive" to these 102 prime-number tests: https://t.co/35N3bE1DSL pic.twitter.com/FMet8xJYT6

— Cliff Pickover (@pickover) October 17, 2024

    

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