Friday, December 20, 2024

Math Links for Week Ending Dec 20th, 2024

Featured Links

If you didn't use this this year, save it for next
Curriculum Tags: All
https://mathsedideas.blogspot.com/p/resources.html#xMathsCard

Resource Links

This is great for physics class but also for some advanced math classes
Curriculum Tags: MCR3U, MHF4U
https://afreeparticle.com/cart.html



I think it is the aperiodic shape that was my favourite
Curriculum Tags: All
https://www.scientificamerican.com/article/the-7-coolest-mathematical-discoveries-of-2024/

It's been an amazing year for math! Researchers discovered a new prime number this year, a novel formula for pi, mathematical messages in music, and more: www.scientificamerican.com/article/the-...

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— Clara Moskowitz (@clarakm.bsky.social) December 16, 2024 at 4:27 PM

Video Links

How would you solve this question
Curriculum Tags: MCR3U, MHF4U
https://bsky.app/profile/howiehua.bsky.social/post/3ldk2opttts2n

How many gifts were given in the song 12 Days of Christmas? #math #ITeachMath #EduSky youtube.com/shorts/bmpCC...

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— Howie Hua (@howiehua.bsky.social) December 17, 2024 at 7:04 PM

Image Links

I've noted what I thought was the best version in the comments
Curriculum Tags: All
https://x.com/howie_hua/status/1869911106283811140

For doing statistics
Curriculum Tags: All
https://bsky.app/profile/howiehua.bsky.social/post/3ldhlos4svk2r

You've heard of elf on the shelf but have you heard of #math #ITeachMath #EduSky

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— Howie Hua (@howiehua.bsky.social) December 16, 2024 at 7:31 PM
I think there are a couple that work here
Curriculum Tags: MCR3U, MCF3M, MHF4U


Some algebra for your geometry
Curriculum Tags: MTH1W

Seems True
Curriculum Tags: MDM4U



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— Stuart Palmer (@spalm.bsky.social) December 20, 2024 at 5:24 AM


Some Christmas graphs
Curriculum Tags: All


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Saturday, December 14, 2024

Math Links for week Ending Dec. 13th, 2024

Featured Links

There are some good comments in the feed and I like the way the steps are laid out for adding integers but the line that resonates with me is the last part of this: "Get students really comfortable placing positive and negative numbers on number lines. Don't take this for granted"
Curriculum Tags: All
https://fivetwelvethirteen.substack.com/p/conceptual-understanding-doesnt-happen

New post: conceptual understanding doesn't happen all at once. fivetwelvethirteen.substack.com/p/conceptual... #iteachmath #mtbos #edusky

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— Dylan Kane (@dylanpkane.bsky.social) December 10, 2024 at 9:18 AM

Resource Links

The idea that there is a "best way" to teach kids has never resonated with me. There are ways for that resonate best for me but they aren't always better for students. 
Curriculum Tags: All
https://amiealbrecht.com/2024/12/11/four-ways-of-seeing-education-and-why-best-practice-is-a-myth/

NEW Blog Post: ‘Four ways of seeing education, and why "best practice" is a myth’ Why do educators disagree about 'best practice'? Understanding competing visions of education's purpose reveals why universal solutions fall short. amiealbrecht.com/2024/12/11/f...

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— Amie Albrecht (@nomadpenguin.bsky.social) December 10, 2024 at 2:34 PM
A good winter starter
Curriculum Tags: All
https://bsky.app/profile/davidporas.bsky.social/post/3lcy6ln4y6k2n

Looking for a fun, free winter activity to cap off the year? ☃️ With this new holiday activity in Desmos Classroom (using Polypad of course 😀), students can design their own winter wonderland! They’ll color snowmen, build their own snowflakes, and more. ❄️ Check it out: bit.ly/4ix92Ru

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— David Poras (@davidporas.bsky.social) December 10, 2024 at 4:26 PM
I love Fermi Problems and so this mashup with Desmos seems like a perfect pairing
Curriculum Tags: All
https://bsky.app/profile/kasmith07.bsky.social/post/3lcwam62jek2m

I wrote about how I use the @desmos.com data collection screen for a Fermi problem routine in my classroom www.edutopia.org/article/tips... and here is my Desmos collection of those screens: teacher.desmos.com/collection/6... Any other Fermi problem fans in the #mtbos #iteachmath ♾️ community?

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— Kristen Smith (@kasmith07.bsky.social) December 9, 2024 at 9:57 PM

Some Christmas math fun
Curriculum Tags: Gr7, Gr8, MTH1W
https://mathequalslove.net/christmas-tree-integer-addition-puzzles/

Video Links

Some Christmas probability 
Curriculum Tags: MDM4U
https://bsky.app/profile/howiehua.bsky.social/post/3lcyn6rmsxs2y

What's the probability no one picks their own name while doing Secret Santa? youtube.com/shorts/U5eHd... #math #ITeachMath #EduSky

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— Howie Hua (@howiehua.bsky.social) December 10, 2024 at 8:48 PM
When I looked at this I thought I would just start with a brute force method but after one calculation it was clear I should look at something more logical. And yes, it was a non intuitive result but it made sense. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/howie_hua/status/1867334829991506197

Image Links

Some of these are the same area but are they all the same area?
Curriculum Tags: Gr7, Gr8, MTH1W
https://bsky.app/profile/profsmudge.bsky.social/post/3ld6iydz77c2y

Week 20: What fraction of each square is tinted green? More in the blog: satisfry.blogspot.com

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— ProfSmudge (@profsmudge.bsky.social) December 13, 2024 at 4:48 AM
I love a cross curricular post
Curriculum Tags: MCR3U, MHF4U, MAP4C, MCT4U
https://bsky.app/profile/kityates.bsky.social/post/3lcwrjevf4d2q

I Wrote a Poem about exponential growth...

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— Kit Yates (@kityates.bsky.social) December 10, 2024 at 3:00 AM


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Friday, December 6, 2024

Math Links for Week Ending Dec 6th, 2024

Featured Links

I am a big fan of rethinking traditional assessment methods. Even small tweaks in what you do can make assessment more fair for student. Here are some ideas that might get your interest
Curriculum Tags: All
https://www.edutopia.org/article/why-teachers-should-grade-less-frequently

In my latest Edutopia article, Stanford prof. Denise Pope points out the glaring problem with grades: “The first thing kids would do is go to the back of the paper, look at the grade, and never read my comments." 9 reasons why teachers should grade less: www.edutopia.org/article/why-... #EduSky

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— Youki Terada (@youkiterada.bsky.social) November 25, 2024 at 1:22 PM

Resource Links

Here is the classic December NCTM calendar
Curriculum Tags: All
https://karendcampe.wordpress.com/2024/12/01/december-calendar-problems-3/

December #ProblemSolving Calendar is here! Enjoy & share your process here. Also: BONUS articles on Mathematical Curiosity. Sign up to get an email for new posts 😊 (help me crack 100 followers?) #MTBoS #iTeachMath #RecreationalMath #MathSky #MathsToday karendcampe.wordpress.com/2024/12/01/d...

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— Karen Campe (@karencampe.bsky.social) December 1, 2024 at 12:14 PM
Here is a neat applet that can help visualize multiplcations of different types from @Knowledgehook
Curriculum Tags: All
https://manipulatives.knowledgehook.com/multiplicationgrid/

We should embrace the fact that area models with Whole Numbers, Mixed Numbers and Pure Decimals are all exactly the same. #MathSky #EduSky #ElemMathChat

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— Andrew Fenner (@numbershapes.bsky.social) December 2, 2024 at 7:39 AM
Here are some neat fractions activities from a blog who's name I love, SatisFraction
Curriculum Tags: Gr7, Gr8, MTH1W
https://satisfry.blogspot.com/

A fractions task, of sorts. More here: satisfry.blogspot.com

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— ProfSmudge (@profsmudge.bsky.social) November 19, 2024 at 4:55 AM

Video/Audio Links

Listen to our latest podcast
Curriculum Tags: All
https://talks.oame.on.ca/season-7



Use geometric methods to discuss an optical illusion
Curriculum Tags: MTH1W
https://bsky.app/profile/tbrzezinski.bsky.social/post/3lc3n4cxjw22b

Which segment is longer? 👀 youtube.com/shorts/pAG-P... & www.geogebra.org/m/g56sjfq9 @geogebra.org #MTBoS #ITeachMath #illusion #edusky

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— Tim Brzezinski (@tbrzezinski.bsky.social) November 29, 2024 at 7:59 AM
I have always loved this puzzle. I like how you can use slope to prove how it works
Curriculum Tags: MTH1W
https://bsky.app/profile/tbrzezinski.bsky.social/post/3lbwjq3e2fs23

Area changing illusion 👀 Why does the area seem to change? 🤔 For an explanation as to why this happens, see youtu.be/6leIwa3PA2E?.... #MTBoS #ITeachMath #math #maths #illusion #paradox #edusky

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— Tim Brzezinski (@tbrzezinski.bsky.social) November 27, 2024 at 7:15 AM
Here is a nice twist on Which One Doesn't Belong that encourages student dialogue.
Curriculum Tags: All
https://bsky.app/profile/howiehua.bsky.social/post/3lcbduvyivc2r

Teaching tip: Here's how I spice up the activity "Which One Doesn't Belong?" #math #ITeachMath youtube.com/shorts/QC_is...

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— Howie Hua (@howiehua.bsky.social) December 1, 2024 at 2:30 PM
Flexible thinking at it's finest
Curriculum Tags: All
https://bsky.app/profile/saravanderwerf.bsky.social/post/3lcjoyxkgsk2c

Here was his great math Let’s put more of this on TV. Shout out to MN Sarah Carter for finding this.

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— Sara Van Der Werf (@saravanderwerf.bsky.social) December 4, 2024 at 10:10 PM

I am not a fan of mathematical tricks but I always like how @Howie_Hua explains why they work
Curriculum Tags: All
https://bsky.app/profile/howiehua.bsky.social/post/3lcjl2fj2o22z

A neat way of dividing by 5: #ITeachMath #EduSky #math

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— Howie Hua (@howiehua.bsky.social) December 4, 2024 at 8:59 PM
Get your triangle geometry puzzler warmed up
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1862541860440564223

I like this "impossible" problem for algebra
Curriculum Tags: MTH1W
https://x.com/howie_hua/status/1864073876319195452

Image Links

I think @Howie_Hua sums up what I think about these types of questions. Don't get me wrong, I think they are great. But they also show students that algebra doesn't have to be as hard as it seams.
Curriculum Tags: All
https://bsky.app/profile/afreeparticle.com/post/3lcjn5cqawc2r

Trying to have people solve a system of linear equations on social media: #math #ITeachMath #EduSky

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— Howie Hua (@howiehua.bsky.social) December 4, 2024 at 6:37 PM
Solving Equations? Try this
Curriculum Tags: MTH1W
https://x.com/pickover/status/1862852451981758578

Where does all that plastic go?
Curriculum Tags: Gr7, Gr8, MDM4U
https://x.com/infobeautiful/status/1862525740304007255

Doing some work with diameters and radii? Try this
Curriculum Tags: Gr7, Gr8
https://x.com/GeometryPuzzles/status/1862559318039830899



I have not heard of a Gollygone before but this might be a good starter in a high school math class
Curriculum Tags: All
https://x.com/pickover/status/1862563740849246217


    

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Friday, November 29, 2024

Math Links for Week Ending Nov 29, 2024

Featured Links

With all the stuff about AI in the works I really like this take on how to deal with students who use AI in the classroom
Curriculum Tags: All
https://thevoicesf.org/adventures-with-a-i-take-1/

It's unsurprising how quickly things collapse. thevoicesf.org/adventures-w...

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— CheesemonkeySF (@cheesemonkeysf.bsky.social) November 25, 2024 at 11:53 AM

Resource Links

Although the idea of mild, medium and spicy problems are not unique to the Thinking Classroom, they are a good way to introduce problems to students and now there is this mashup with Open Middle problems. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://jplgough.blog/2024/11/24/openmiddle-mild-medium-and-spicy-results-lead-to-more-engagement-and-strength-finding/

We tried a mashup last week: #OpenMiddle – Mild, medium, and spicy results lead to more engagement and strength-finding. jplgough.blog/2024/11/24/o... @robertkaplinsky.bsky.social

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— Jill Gough (@jgough.bsky.social) November 27, 2024 at 8:35 AM

Christmas is coming
Curriculum Tags: All
https://www.resourceaholic.com/2024/11/christmas-gifts-for-maths-teachers.html

New post! If you're Christmas shopping for a maths teacher, here's some inspiration: www.resourceaholic.com/2024/11/chri... #UKMathschat

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— Jo Morgan (@mathsjem.bsky.social) November 21, 2024 at 2:47 PM
You can always find something useful from David Costello
Curriculum Tags: All
https://costellomath.com/

I made it! Check out www.costellomath.com for FREE math resources! Hoping to build my network on this new platform. #mtbos #iteachmath #elemmathchat

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— David Costello (@costello-math.bsky.social) November 25, 2024 at 5:56 PM
I could see using these as a great starter for any math class
Curriculum Tags: All
https://logiqboard.com/worksheets/W114hbTha6

I absolutely love these Congruence puzzles by @unsolvedmre.bsky.social so I've turned them into an online worksheet. Thanks for letting me share Matt. Perfect for LogiqBoard 🌟 #EduSky #maths logiqboard.com/worksheets/W...

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— Hari Neo (@harineo21.bsky.social) November 25, 2024 at 6:53 PM
If you are on BlueSky, you might want to check these people out
Curriculum Tags: All
https://bsky.app/starter-pack-short/35M7izP

Made a Starter Pack of *current* K-12 math classroom teachers. Let me know if you should be added (or removed). go.bsky.app/35M7izP

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— Avery (@averypickford.bsky.social) November 15, 2024 at 3:33 PM


Video Links

I always liked this feature on Geogebra where you could bend segments around a circle
Curriculum Tags: Gr7, Gr8, MTH1W
https://x.com/TimBrzezinski/status/1860811060950740998

Image Links

A self checking activity for angle properties.
Curriculum Tags: MTH1W
https://mathequalslove.net/add-em-up-angles-in-polygons-activity/

Some old math homework
Curriculum Tags: All
https://bsky.app/profile/moudhy.bsky.social/post/3lbmmxt6izk2j

This is an incorrect calculation of the area of a triangle by a young Babylonian student at school around 1900-1600 BCE, excavated from the ancient city of Kish. It’s a moment in the history of math, of education, of children, of mistakes, of people being people. I love it.

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— Dr Moudhy Al-Rashid (@moudhy.bsky.social) November 23, 2024 at 8:46 AM

Everyone needs a spreadsheet
Curriculum Tags: All
https://bsky.app/profile/jedediyah.com/post/3lboztlir222y

Humans have been using spreadsheets for millenia! But we still don't teach spreadsheets* in K-12 (the little hill I plan to die on) #iteachmath #mtbos *with exception! don't @ me

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— Jed (@jedediyah.com) November 24, 2024 at 7:42 AM
Combinatoric humour :-)
Curriculum Tags: MDM4U
https://bsky.app/profile/xkcd.com/post/3lblc3gw62c2w

D&D Combinatorics xkcd.com/3015

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— Randall Munroe (@xkcd.com) November 22, 2024 at 7:59 PM
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Friday, November 22, 2024

Math Links for Week Ending Nov 22nd, 2024

Featured Links

Though I understand why, I am still disappointed at how the math community on Twitter fell apart. Despite that I have still stayed active there and created accounts on other platforms. I never really clicked with any of them but it seems like the math community on Blusky ( @davidpetro314.bsky.social) seems to be growing and a math community is building there again. So I'm gonna stick wth Twitter but try to participate on BlueSky as well. One of the things that I like is it's a little easier to follow hashtags. That was always my favourite way to be on the socials, following hashtags rather than people. That way you could always expect that that post was going to be relevant. On Bluesky, they are called Feeds and two that I follow are #iTeachMath and #MathSky.

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

I think it's always good to talk about the live's of mathematicians to help humanize them
Curriculum Tags: All
https://x.com/Riazi_Cafe_en/status/1858677944022876622


I'm a big fan of self checking activities
Curriculum Tags: Gr8, MTH1W

Video Links

Who doesn't like a fruity fractal?
Curriculum Tags: All
https://x.com/PrinceUP33/status/1859243860188434864

This is a good starter when talking about angles
Curriculum Tags: Gr7
https://x.com/Mathowitz/status/1855856064299749637

Would you rather for the win
Curriculum Tags: All
https://x.com/howie_hua/status/1859020967164723469


I'm a big fan of conceptual understanding of fraction (and other) operations
Curriculum Tags: Gr8, MTH1W
https://bsky.app/profile/howiehua.bsky.social/post/3lbg3tode4s2v
https://bsky.app/profile/howiehua.bsky.social/post/3lbg3todpts2v

Three ways to think about fraction division (part 1): #edusky #iteachmath

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— Howie Hua (@howiehua.bsky.social) November 20, 2024 at 6:24 PM


(Part 2):

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— Howie Hua (@howiehua.bsky.social) November 20, 2024 at 6:24 PM


Image Links

Some transformation humour in a textbook
Curriculum Tags: All
https://x.com/Anthony_Bonato/status/1858992371104706943

I have always been a fan of putting the hook at the end of the radican
Curriculum Tags: All
https://x.com/howie_hua/status/1858575913220542563


I think this is a nice problem because it looks complex but can be solved with some care
Curriculum Tags: MCR3U
https://x.com/pickover/status/1858655171573592477


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Friday, November 15, 2024

Math Links for Week Ending Nov 15, 2024

Featured Links

I have featured this problem before but I like when teachers talk about problems that give them experiences like this. 
Curriculum Tags: All
https://www.aliciaburdess.com/post/the-most-beautiful-experience

Resource Links

You could connect this pattern block puzzle interactive from @DPScher to proportional reasoning and fractions 
Curriculum Tags: Gr7, Gr8
https://www.sineofthetimes.org/pattern-block-puzzles/

Video Links

I think this is a really neat problem for dealing with rates. Especially because it can be solved with many methods. 
Curriculum Tags: Gr8, MTH1W
https://x.com/howie_hua/status/1856011483412570328

I appreciate how he talks about those simple properties 
Curriculum Tags: All
https://x.com/howie_hua/status/1855330539475009856

I think this might be useful when talking about number systems in MTH1W
Curriculum Tags: MTH1W
https://youtu.be/OEGGz1sCS5w?si=c6ikYumDgSQ3By8d


Image Links

I'm not necessarily a fan of Taylor Swift but I recognize her talent. So this series of images might go well in your math classes
Curriculum Tags: MCR3U, MHF4U
https://x.com/Anthony_Bonato/status/1857074773332766779

Which relates to you?
Curriculum Tags: MCR3U, MHF4U
https://x.com/pickover/status/1856138125745008994

You can solve this with systems of equations or logic
Curriculum Tags: MPM2D, MFM2P
https://x.com/Rainmaker1973/status/1855246463351009458



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Friday, November 8, 2024

Math Links for Week Ending Nov 8th, 2024

Featured Links

Even if you are talking about division of polynomials, I think it's important for you and your students to have a good understanding of the basics. For that, start with one of @GFletchy's progression videos. You can check them all out here:
Curriculum Tags: All
https://gfletchy.com/progression-videos/


Resource Links

Need some resources on distributions (and more)?
Curriculum Tags: MDM4U
https://www.geogebra.org/u/daniel+mentrard

Some great resources to help with your student's reasoning skills (for any grade)
Curriculum Tags: All
https://www.mathsteachercircles.org/blog/reasoning/

Video Links

There is beauty everywhere in math
Curriculum Tags: All
https://x.com/abakcus/status/1854385239071568281


Image Links

An interesting way to talk about adding angles
Curriculum Tags: Gr7, Gr8
https://x.com/abakcus/status/1854738529412088114



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