Friday, July 17, 2026

Math Links for Week Ending July 17th, 2026

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I have always liked @SimonKuestenmacher's shares but I like when other teachers like @MaryBourassa, see the connections to math class. In this case with fractions
Curriculum Tags: Gr7, Gr8, MTH1W
https://bsky.app/profile/marybourassa.bsky.social/post/3mqk26esj722o

The world’s 8.2 billion people, shown as a single tree map. India and China dominate, Africa is already nearly twice the size of Europe, and Australia barely registers. Source: buff.ly/P5OtmPg

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— Simon Kuestenmacher (@simongerman600.bsky.social) July 13, 2026 at 8:01 AM

Resource Links

You can never have too many Calculus resources. 
Curriculum Tags: MCV4U
https://ocw.mit.edu/courses/res-18-001-calculus-fall-2023/

Video Links

I think the comparison to the word diagonal is a good way to do this. 
Curriculum Tags: All
https://x.com/howie_hua/status/2078170427864850554


Image Links

I love this for having students show that they know the connections between functions and their first and second derivatives.
Curriculum Tags: MCV4U
https://x.com/pickover/status/2076124990466892099

Some similar angles and algebra for your students
Curriculum Tags: MPM2D, MCR3U
https://x.com/jamestanton/status/2076160370675154953


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Friday, July 10, 2026

Math Links for Week Ending July 10th, 2026

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This post starts with asking to finish two similar but very different sentences "Math is ______" and "School Math is ______" and ends with reminders of several different structures to help students bridge the two statements.
Curriculum Tags: All
https://fawnnguyen.substack.com/p/the-anti-sentence

Resource Links

I'm always happy to share other posts like mine who share what people are doing for math on the net and @MathsJem does that quite a bit. 
Curriculum Tags: All
https://www.resourceaholic.com/2026/07/5-maths-gems-200.html

Video Links

Some combinatorics for you
Curriculum Tags: MDM4U
https://x.com/howie_hua/status/2074853362097344943

Image Links

These types of relationships, to me, really show how math can be amazing. 
Curriculum Tags: All
https://x.com/pickover/status/2073891040075940072


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Saturday, July 4, 2026

Math Links for Week Ending July 3rd, 2026

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I always appreciate the work that @DavidButlerUoA does, especially when he puts it all together and shares. In this case, constructions using 2 sides of a ruler. I don't know that this fits into any particular curriculum and that's the beauty of it. It starts with some introductory constructions and quickly ramps up.  
Curriculum Tags: All
https://davidkbutler.xyz/2026/06/25/two-sided-ruler-constructions-1-introduction/

#MathSky Finally, I've updated the first post in the series with a link to the playlist of videos and an index of links to every individual construction in all eight posts. Now you (and I) can find anything I've written about two-sided ruler constructions anytime. davidkbutler.xyz/2026/06/25/t...

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— David K Butler (@davidkbutler.bsky.social) July 3, 2026 at 8:25 PM

Resource Links

Another one about constructions. Though this isn't about how to actually do constructions (you might like my videos on that), it's a nice little set of questions to make specific constructions and then to check them electronically with this site. 
Curriculum Tags: All
https://www.transum.org/software/SW/Starter_of_the_day/Students/Constructions.asp

Mixed media learning (sounds good). Students complete construction exercises using a pencil, ruler and compasses, then measure a length on their construction. They type it online, which awards the mark if within a given tolerance. www.transum.org/Intro/?ID=403 #mathsresources #mathstoday

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— transum.bsky.social (@transum.bsky.social) July 3, 2026 at 5:57 AM

Video Links

I always appreciate unconventional methods of doing things. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/2072699932998340865

Image Links

It took me many years (and a student to tell me) to realize I had to get to know my students. I wish I had known sooner. 
Curriculum Tags: All
https://bsky.app/profile/camatsumoto10.bsky.social/post/3mprge6pwec2z

@camatsumoto10.bsky.social

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— Carol Matsumoto (@camatsumoto10.bsky.social) July 3, 2026 at 4:50 PM


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Friday, June 26, 2026

Math Links for Week Ending June 25th, 2026

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I think it's important for kids to work on problems like this, either in groups or individually. 
Curriculum Tags: All

Here's a slight twist on an arithmetic grid for this week's #OCRMathsPuzzle. Find the values for p and q so that the arithmetic grid below can be completed. #MathsToday #UKMathsChat #RecreationalMath @cambridgeocr.bsky.social

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— Steve Walker (@stevemaths.bsky.social) June 19, 2026 at 9:21 AM
Resource Links

If you are using Desmos Notebook then you can't have enough resource to help "pimp" your pages out
Curriculum Tags: All

Connected variables and tokens bring all your Notebook elements together. What question should we answer next? #iteachmath #mathsky

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— Desmos Studio (@desmos.com) June 26, 2026 at 2:51 PM

Video Links

I like anything that helps visualize completing the square
Curriculum Tags: MPM2D,  MCR3U, MCF3M, MBF3C


Image Links

I can't get enough mathematical art
Curriculum Tags: All

Circle packing within a spiral lattice. #CreativeCoding #MathArt #MathSky #phyllotaxis #SciArt

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— Daniel Wilson (@helsig.bsky.social) June 26, 2026 at 2:36 PM


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Friday, June 19, 2026

Math Links for Week Ending June 19, 2026

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I have mixed feelings about timed tests, but they can be useful for motivated students. Regardless I love this interface with the duelling timers and all the options you can use for the questions themselves. And there is not just math but biology, physics, chemistry, computer science and even english.
Curriculum Tags: All
https://classduels.com/

Here's something I've been working quite hard on recently: classduels.com/maths/ A Maths game featuring: - two-player (split screen, can be done on a interactive whiteboard) and single-player modes - 50+ topics across KS3-KS5 - a version for the Australian curriculum: classduels.com/maths/au/ 😉

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— Nathan Day (@nathanday.bsky.social) May 17, 2026 at 3:41 PM

Resource Links

Patterns? Of course it does
Curriculum Tags: All
https://studyfinds.com/van-goghs-brushstrokes-may-have-math-fingerprint/

studyfinds.com/van-goghs-br... Strokes of Genius: Van Gogh’s Paintings May Have a Mathematical Fingerprint #Math #Maths #MathSky #iteachmath #VanGogh #fractaldimension

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— Dawn Del Vecchio (@dawndelvecchio.bsky.social) June 18, 2026 at 1:42 PM

Lots of great problems, now available for free. Thanks to @EliLuberoff for pointing this out.
Curriculum Tags: All
https://www.citizenmath.com/


Video Links

Pokemon and expected value
Curriculum Tags: MDM4U
https://x.com/howie_hua/status/2067976421369368898

Image Links

Something to use in an exponential lesson about extrapolation
Curriculum Tags: MCR3U, MHF4H
https://bsky.app/profile/xkcd.com/post/3moj6x2c3fk2x

Messi xkcd.com/3260/

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— Randall Munroe (@xkcd.com) June 17, 2026 at 4:51 PM
Great for working with roots and simplifying 
Curriculum Tags: MTH1W, MPM2D
https://bsky.app/profile/percybuttons3.bsky.social/post/3mok5mpmbp222


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Saturday, June 13, 2026

Math Links for Week Ending June 12, 2026

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I agree. The community on Twitter was great. It was some of the best self directed PD I had experienced. Plus I "met" so many new like minded people (sometimes even in person). It is unfortunate that that platform waned in that capacity. I still post there and look from time to time but I love how the community on Bluesky, although small, is starting to fill that hole. 
Curriculum Tags: All
https://bsky.app/profile/mathowitz.bsky.social/post/3mo433ox6222j

Why am I on Bluesky? Because we used to have #mtbos on twitter. Then Twitter turned into X which turned into a steaming pile of vitriol... and I had to leave. A decent amount of us landed here, and even though it's not the same, it's better than nothing.

— Carl (@mathowitz.bsky.social) June 12, 2026 at 11:38 AM

The #math community seems to be growing here and becoming more active. I have presented on how to get the most of being in a community like this many times and here are my tips to grow this PLN and make it useful for educators. Bonus Tip - Use the Feeds: #MathChat #MTBoS #iTeachMath #MathSky

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— DavidPetro314 (@davidpetro314.bsky.social) November 23, 2024 at 7:32 PM

Resource Links

Somehow I missed the May "classic" NCTM calendar.
Curriculum Tags: All
https://karendcampe.wordpress.com/2026/05/01/may-calendar-problems-4/

I think we are going to start seeing a lot of people sharing their @DesmosStudio Notebook pages now that they are available to be created. 
Curriculum Tags: MTH1W
https://www.desmos.com/notebook/syajf6ddqw/view

Here's a #Desmos notebook I made to support one of my Algebra 2 lessons next September. I think these will be really useful as "digital manipulatives" that students can play with to build intuition. #EduSky #ITeachMath www.desmos.com/notebook/sya...

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— Darth Calculus 🏳️‍🌈 (@darthcalculus.bsky.social) June 11, 2026 at 8:52 AM






Video Links

I think this would be a good starter as a catalyst to talk about sums of series.
Curriculum Tags: MCR3U
https://x.com/howie_hua/status/2065493735132086507










Image Links

Here is a fun little puzzle when your students are starting to learn algebra.
Curriculum Tags: MTH1W, Gr8
https://bsky.app/profile/pwharris.bsky.social/post/3mo2fvrkhdk2z

#TryThisThursday It's factor puzzle time! The one on the left shows the relationships to apply to the one on the right. What goes in the blanks? How do you know? #MathIsFigureOutAble #MTBoS #ITeachMath #MathEd

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— Pam Harris (@pwharris.bsky.social) June 11, 2026 at 7:46 PM
Introducing or reviewing Function notation? This might be a good puzzle
Curriculum Tags: MCR3U, MCF3M
https://bsky.app/profile/mathsadvance.bsky.social/post/3mo5xdr2x3k2d

How long to solve? Given that f(x) is linear (ax + b) express 'b' in terms of 'a'. #MathSky #MathsToday #ProblemSolving

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— Maths Advance (@mathsadvance.bsky.social) June 13, 2026 at 5:36 AM







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Saturday, June 6, 2026

Math Links for Week Ending June 5th, 2026

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Perfect for adding vectors (or even you could connect it to adding integers). Either way, as someone who is a graduate of physics, this would be totally fun.
Curriculum Tags: MCV4U
https://x.com/ScienceExpand/status/2060936498481115603

Resource Links

Some self checking resources on Similar Triangles
Curriculum Tags: Gr7, Gr8, MTH1W
https://www.transum.org/Maths/Activity/Similar/Triangles/

A new set of self-marking exercises called Similar Triangles has been created. It builds on the practice already offered by the Similar Shapes exercise, exploring triangle similarity in more detail. www.transum.org/Intro/?ID=1175 #mathsresources #mathschat #mathstoday #mathchat

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— transum.bsky.social (@transum.bsky.social) June 5, 2026 at 5:57 AM

Video Links

You can never have enough ways to explain division with integers
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/2061935439423177007

Image Links

I like this one because it could be used at any grade level
Curriculum Tags: All
https://bsky.app/profile/pwharris.bsky.social/post/3mnix7j42ck23

#TryThisThursday If one doesn't belong, how are the other three related? Do it for each quadrant! what the other three have in common! #MathIsFigureOutAble #MTBoS #ITeachMath #MathEd

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— Pam Harris (@pwharris.bsky.social) June 4, 2026 at 9:08 PM


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