Math Links for Week Ending Feb 25th, 2022

Featured Links

I know it's early for Pi Day but you might want to cue this lesson up when the time comes. Watch the video and get all the goods here:
Curriculum Tags: Gr7
https://mathisvisual.com/circumference-of-a-circle/

Resource Links

It seems @TimBrzezinski has been going full force in creating dynamic @OpenMiddle interactives, this time it's histograms:
Curriculum Tags: MDM4U
https://twitter.com/TimBrzezinski/status/1495955519453999111

New @openmiddle histogram ex: Using digits 0-9 no more than 1x each, fill in the blanks to make true statements. Bar heights also modifiable. What are the highest and lowest possible %s we can create for 2nd condition? 🤔 https://t.co/WAWGF3w3WT @geogebra @robertkaplinsky #MTBoS pic.twitter.com/3vawL6DNxV

— Tim Brzezinski (@TimBrzezinski) February 22, 2022

These Central Tendency puzzles from @MarkChubb3 remind me of skyscraper puzzles (just not as visual) but I think that being able to solve these would be a great indicator that they are starting to understand central tendency.

Curriculum Tags: Gr7, Gr8
https://buildingmathematicians.wordpress.com/2022/02/19/central-tendencies-puzzles/

Video Links

I can't help it, I have a soft spot for anything to do with the quadratic formula (those who know me, know why). But I do appreciate how he incorporates the visual version of what completing the square is.
Curriculum Tags: MPM2D, MCR3U, MCF3M
https://twitter.com/howie_hua/status/1496659072463998980

New TikTok video: How to derive the quadratic formula pic.twitter.com/P4lBuCIJYG

— Howie Hua (@howie_hua) February 24, 2022

Too many math communicators here to mention celebrating this past twos-day 

Curriculum Tags: All
https://www.youtube.com/watch?v=Ffa8-S_71xo

We have another preview episode for #OAME2022. This time with featured and keynote speakers from the last two days. 

Curriculum Tags: All
https://talks.oame.on.ca/season-4

Image Links

This is a pretty good idea to put up in a classroom or a hallway. 
Curriculum Tags: All
https://twitter.com/GoslinK123/status/1496257845767122944

Our Math Hall way @LaSalle_LDSB has some collaborative games and activities to do with friends at lunch or break. Come check them out. #LssPride #KnightsPride #wallGames #activitiesToSocializeOver #BlackAndGold #MathGames #LDSB #YGK #MTBoS pic.twitter.com/TBmrFc1dlL

— Kat Hendry (@GoslinK123) February 22, 2022