Math Links for Week Ending Apr 17, 2025

Featured Links

When I saw this show up in my Facebook feed, I thought for sure it had to be fake. But no, it's real
Curriculum Tags: All
https://www.calculator.org/calculators/Casio_QL-10.html

I saw this come across one of my feeds and I thought it was fake. But it turns out that in 1979, the #Casio "Calculighter" was legit www.calculator.org/calculators/... #MathChat #MTBoS #iTeachMath

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— DavidPetro314 (@davidpetro314.bsky.social) April 17, 2026 at 5:52 PM

Resource Links

The idea of sharing resources is the best reason to be in a space like this. The old Twitter Matheverse was great but it's getting better on Bluesky. Keep sharing, everyone
Curriculum Tags: MCR3U
https://bsky.app/profile/theericklee.bsky.social/post/3mjkzz76xd22e

Gave this warmup question to my class today. Students had to think carefully about the function and what x represents in each statement. Great discussions. @studymaths.bsky.social #ITeachMath #MathSky

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— Erick Lee (@theericklee.bsky.social) April 15, 2026 at 7:22 PM

Video Links

I'm not a fan of math "tricks" but I am a fan of anyone who can explain why they work
Curriculum Tags: Gr8, MTH1W
https://x.com/howie_hua/status/2044875275566268435

Visually showing why "keep change flip" works pic.twitter.com/EbxAUwr7F0

— Howie Hua (@howie_hua) April 16, 2026

Image Links

This is a good lesson in the Commutative Property of multiplication and also the idea of trying to do a similar problem that is easier but has the same answer. 
Curriculum Tags: Gr8, MTH1W
https://bsky.app/profile/pwharris.bsky.social/post/3mjnkqgjzwc2h

#TryThisThursday Try Would You Rather as such a great routine to get students thinking and sharing about mathematical relationships. Which is your favorite and why? #MathIsFigureOutAble #MTBoS #ITeachMath #MathEd

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— Pam Harris (@pwharris.bsky.social) April 16, 2026 at 7:27 PM

Math Links for Week Ending Apr. 10, 2026

Featured Links

You can always count on @DavidKButler to go deep on a very cool math concept. This is perfect for showing the connections of different branches of math.
Curriculum Tags: All
https://davidkbutler.xyz/2026/04/10/home-away-geometric-arithmetic/

New blog post about my method of doing addition and multiplication using the geometry of parallel lines. It's called "Home & Away: Gometric Arithmetic". davidkbutler.xyz/2026/04/10/h...

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— David K Butler (@davidkbutler.bsky.social) April 10, 2026 at 2:23 AM

Resource Links

When I was a kid we made stop motion "movies" by drawing stick figures in novels. So it makes perfect sense to me to do stop motion for math too. 
Curriculum Tags: All
https://www.edutopia.org/article/stop-motion-movies-school-math

Stop-motion movies are made by recording one small change at a time—the perfect medium for capturing several fundamental math concepts! 📹 #MathSky #ITeachMath #EduSky

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— Edutopia (@edutopia.org) April 3, 2026 at 6:18 PM

Video Links

I love taking what seems like a trick then making it real by doing the math
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/2042018764808667479

A quick way of finding a fraction between two fractions pic.twitter.com/Nk7DgkkyDP

— Howie Hua (@howie_hua) April 8, 2026

Image Links

A classic demonstration 
Curriculum Tags: Gr7, Gr8, MTH1W
https://bsky.app/profile/math-problems.bsky.social/post/3mizkibgkcc2n

Demonstration of Triangle Sum #iteachmath #geometry

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— math-problems.bsky.social (@math-problems.bsky.social) April 8, 2026 at 8:29 PM

Math Links for Week Ending Apr 3, 2026

Featured Links

I love this visual
Curriculum Tags: MCV4U
https://x.com/howie_hua/status/2038341287603282340

You can do this calculus problem with just any random book 😱 pic.twitter.com/LGndHMlJ81

— Howie Hua (@howie_hua) March 29, 2026

Resource Links

You can never have enough sources of resources
Curriculum Tags: All
https://www.resourceaholic.com/2026/04/5-maths-gems-197.html

New! My 197th gems post. Ideas, updates and resources for maths teachers. 💎 www.resourceaholic.com/2026/04/5-ma... #ukmathschat #mathstoday #alevelmaths

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— Jo Morgan (@mathsjem.bsky.social) April 3, 2026 at 6:40 AM

The latest classic NCTM calendar
Curriculum Tags: All
https://karendcampe.wordpress.com/2026/04/01/april-calendar-problems-4/

The April #ProblemSolving Calendar is posted & that's no fooling!!
Plus March solutions as well.
Share your working out & thoughts here or on the post. #iTeachMath #MTBoS #MathsToday#RecreationalMath #MathChathttps://t.co/yAZPMe109h

— Karen Campe (@KarenCampe) April 2, 2026

 

Video Links

People complain that things are worse now. The data says otherwise
Curriculum Tags: MDM4U
https://x.com/toddrjones/status/2039771217553461667

Here are some ways in which the world has gotten better. pic.twitter.com/v1Py5NtQ7L

— Todd Jones 🦊 (@toddrjones) April 2, 2026

Fibonacci to the party
Curriculum Tags: All
https://x.com/howie_hua/status/2039721193918648801

Let's learn about the golden ratio pic.twitter.com/iMnoH4d8Qd

— Howie Hua (@howie_hua) April 2, 2026

Image Links

Very nice prompt
Curriculum Tags: Gr7, Gr8, MTH1W
https://bsky.app/profile/mathsvault.bsky.social/post/3milwnnonl52w

Discuss — Factors of a number #maths #mathsteacher #UKMathsChat #GCSEMaths #MathsChat #Discussion #MathsDiscussion #TalkTasks #FactorsOfANumber

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— Jon @ The Maths Vault (@mathsvault.bsky.social) April 3, 2026 at 10:30 AM

Another nice prompt
Curriculum Tags: Gr7, Gr8, MTH1W
https://bsky.app/profile/tilefarmer.bsky.social/post/3mikm2thrvk26

#ElemMathChat Q7 “Last Tile Standing” is another one of my favorites (for Tile Farm’s version go to tiletalk.tilefarm.com). I’ve chosen one of the 24 patterns above, can you think of yes/no questions that could help eliminate options? Ask and I’ll answer yes/no. Can comment below if easier.

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— Alex Romero (@tilefarmer.bsky.social) April 2, 2026 at 9:48 PM