Friday, February 27, 2026

Math Links for Week Ending Feb 27, 2026

Featured Links

Even though for most curriculum we don't care about the surface area of a toroid, it could be easily worked in with this context. 
Curriculum Tags: MTH1W
https://youtu.be/CYjD9cpxT18?si=DQvqTExD8SLtzwCM


Resource Links

Open middle is a great structure to have kids think deeply. Here's one about perpendicular lines
Curriculum Links: MTH1W
https://www.openmiddle.com/perpendicular-lines-through-a-given-point/

If your students are learning about perpendicular lines, try out this Open Middle problem from Andy Schwen with them: www.openmiddle.com/perpendi...

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— Robert Kaplinsky (@robertkaplinsky.com) February 27, 2026 at 6:43 PM

I'm always happy to share summary posts like this one
Curriculum Tags: All
https://www.resourceaholic.com/2026/02/5-maths-gems-196.html 

Video Links

As always, I like the fact that the reason why is explained
Curriculum Tags: MCR3U, MCF3M
https://x.com/howie_hua/status/2027134778953409006

Visualizing factoring 
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/2025303867903369621 

I always liked showing the connection between permutations and combinations
Curriculum Tags: MDM4U
https://x.com/howie_hua/status/2026390576086884641


Image Links

This would be a good discussion in class
Curriculum Tags: MTH1W
https://bsky.app/profile/mathspadnicola.bsky.social/post/3mfu655uwek2i

#mathstoday

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— Nicola Waddilove (@mathspadnicola.bsky.social) February 27, 2026 at 11:49 AM


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