Math Links for Week Ending July 17th, 2026

Featured Links

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

[image or embed]

— 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/

FREE Math Book. 705 pages.

"Calculus" by Strang. Highly recommended for its clear explanations and practical engineering focus.
1. Intro
2. Derivatives
3. Applications of Derivatives
4. Derivatives and the Chain Rule
5. Integrals
6. Exponentials and… pic.twitter.com/YUh5bqUDcp

— Cliff Pickover (@pickover) July 12, 2026

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

How to pronounce pentagonal, hexagonal, heptagonal, and polygonal pic.twitter.com/36ARdE9moP

— Howie Hua (@howie_hua) July 17, 2026

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

Mathematics.

Need an exam question for Calculus? Which graph is f, f’, and f” ? (by @dansmath, used with permission). pic.twitter.com/a8joMByNdv

— Cliff Pickover (@pickover) July 12, 2026

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

How we left our rakes today reminder me of a famous math puzzle.
What's h in terms of a and b?
[Curiously, the answer does not depend on how far apart the walls are!] pic.twitter.com/dw1wzBCAyX

— James Tanton (@jamestanton) July 12, 2026