Math Links for Week Ending Nov 15, 2024

Featured Links

I have featured this problem before but I like when teachers talk about problems that give them experiences like this. 
Curriculum Tags: All
https://www.aliciaburdess.com/post/the-most-beautiful-experience

New blog post if anyone wants to read about my most favourite math problem with forever thanks to @Jason_To and @msbjacobs https://t.co/t9UoDq2HAg #mtBos #iteachmath

— Alicia Burdess (@BurdessAlicia) November 15, 2024

Resource Links

You could connect this pattern block puzzle interactive from @DPScher to proportional reasoning and fractions 
Curriculum Tags: Gr7, Gr8
https://www.sineofthetimes.org/pattern-block-puzzles/

Video Links

I think this is a really neat problem for dealing with rates. Especially because it can be solved with many methods. 
Curriculum Tags: Gr8, MTH1W
https://x.com/howie_hua/status/1856011483412570328

For today's Mental Math Monday, how would you mentally calculate which is faster?

20 miles in 30 minutes or 25 miles in 35 minutes pic.twitter.com/Cn0ZaFDVjc

— Howie Hua (@howie_hua) November 11, 2024

I appreciate how he talks about those simple properties 
Curriculum Tags: All
https://x.com/howie_hua/status/1855330539475009856

Explaining the Zero Product Property pic.twitter.com/zYGBMziM7E

— Howie Hua (@howie_hua) November 9, 2024

I think this might be useful when talking about number systems in MTH1W
Curriculum Tags: MTH1W
https://youtu.be/OEGGz1sCS5w?si=c6ikYumDgSQ3By8d

Image Links

I'm not necessarily a fan of Taylor Swift but I recognize her talent. So this series of images might go well in your math classes
Curriculum Tags: MCR3U, MHF4U
https://x.com/Anthony_Bonato/status/1857074773332766779

Taylor Swift is giving six sold-out concerts in my hometown of Toronto starting tonight. In her honor, here is a thread of her as functions

y = x pic.twitter.com/aAlbtP39Fw

— Anthony Bonato (@Anthony_Bonato) November 14, 2024

Which relates to you?
Curriculum Tags: MCR3U, MHF4U
https://x.com/pickover/status/1856138125745008994

Mathematics Love Stories.

By theroundpanda, Source: https://t.co/ZH4eI0IGC0 pic.twitter.com/MnNThVRkyY

— Cliff Pickover (@pickover) November 12, 2024

You can solve this with systems of equations or logic
Curriculum Tags: MPM2D, MFM2P
https://x.com/Rainmaker1973/status/1855246463351009458

Can you find the height of the glass? pic.twitter.com/oHKUQc9jcs

— Massimo (@Rainmaker1973) November 9, 2024

Math Links for Week Ending Nov 8th, 2024

Featured Links

Even if you are talking about division of polynomials, I think it's important for you and your students to have a good understanding of the basics. For that, start with one of @GFletchy's progression videos. You can check them all out here:
Curriculum Tags: All
https://gfletchy.com/progression-videos/

NEW VIDEO: Progression of a Strip Model Diagram. I love this model because it lays a foundation for understanding unit rate and proportional thinking. https://t.co/nbDPv6yUXe

— Graham Fletcher (@gfletchy) November 1, 2024

Resource Links

Need some resources on distributions (and more)?
Curriculum Tags: MDM4U
https://www.geogebra.org/u/daniel+mentrard

Data distributions (and laws of the probability)
Visualization |Animation | Interactive applet@geogebrahttps://t.co/s8R8SUoBzg
#geogebra #math #science #iteachmath #mtbos #visualization #elearning @bancoche #physics pic.twitter.com/Mx2rKztKE1

— Daniel Mentrard (@dment37) November 2, 2024

Some great resources to help with your student's reasoning skills (for any grade)
Curriculum Tags: All
https://www.mathsteachercircles.org/blog/reasoning/

Why do students forget so much of what they learn? Endless exercises, examples & definitions aren't enough.

What’s missing?

Reasoning.

In this article, I share 5 strategies for improving student reasoning-https://t.co/EuCMo3QxzQ

— Michaela Epstein (@MathsCirclesOz) November 6, 2024

Video Links

There is beauty everywhere in math
Curriculum Tags: All
https://x.com/abakcus/status/1854385239071568281

Here is another example of mathematical beauty. pic.twitter.com/C0zomZG9rG

— Abakcus (@abakcus) November 7, 2024

Image Links

An interesting way to talk about adding angles
Curriculum Tags: Gr7, Gr8
https://x.com/abakcus/status/1854738529412088114

A math person's perspective. pic.twitter.com/JxJLTYcmLf

— Abakcus (@abakcus) November 8, 2024

Math Links for Week Ending Nov 1st.

Featured Links

I'm a big fan of productive struggle. Check out the comments on this post for some ideas
Curriculum Tags: All
https://x.com/TheMathGuru/status/1847412856133669057

In order for students to feel safe enough to engage in Productive Struggle, they need to feel like productive math students. Here is a thread of resources that I find helpful, inspiring & hopeful❤️‍🩹👇 #CorwinTalks

— vanessa vakharia (@TheMathGuru) October 18, 2024

Resource Links

A self checking worksheet, nice
Curriculum Tags:MCR3U, MCF3M, MBF3C
https://mathequalslove.net/big-10-solving-quadratic-equations-worksheet/

New Resource: Solving Quadratic Equations by Factoring Big 10 Activity https://t.co/fjEPSRl8oe pic.twitter.com/lLAWYjLp6O

— Sarah Carter (@mathequalslove) October 24, 2024

Get your classic NCTM calendar problems here:

Curriculum Tags: All
https://karendcampe.wordpress.com/2024/11/01/november-calendar-problems-2/

Happy November and the new Calendar of Problems is here!
Enjoy #ProblemSolving with your students or for yourself. #MTBoS #iTeachMath #T3Learns #Math #MathChat #algebra #geometryhttps://t.co/6kiw5EObVb

— Karen Campe (@KarenCampe) November 1, 2024

Video Links

You can never have enough resources to help with logistics with building thinking classrooms
Curriculum Tags: All
https://x.com/MikeFlynn55/status/1849866560330137949

Are you looking to cut down on transition times in your thinking classroom? Here’s a few ideas to help you. #buildingthinkingclassrooms pic.twitter.com/26CWQlnzrH

— Mike Flynn (@MikeFlynn55) October 25, 2024

Image Links

The Beauty is real
Curriculum Tags: All
https://x.com/pickover/status/1852366011061694560

Mathematics.

“Islamic Fibonacci Spiral.”

Source: Anita Chowdry, https://t.co/4j0uq89jX5 pic.twitter.com/dOCHgIzDO5

— Cliff Pickover (@pickover) November 1, 2024

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

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

Math Links for Week Ending Aug 23rd, 2024

Featured Links

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

Featured Links

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