Math Links for Week Ending Nov 25th, 2022

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I'm not sure what @JRappaport27 is drinking but he's been steadily putting out quality stuff. Check out this sequence of tasks leading up to adding fractions. You can download all 78 slides at the link below:
Curriculum Tags: Gr7, Gr8
https://twitter.com/JRappaport27/status/1595145551401869313

Here's a draft of a sequence of 6 tasks. Included in the speaker notes are sample hints/prompts to support/challenge/extend thinking, sample teacher moves and assessment considerations. Feedback always appreciated :) @pgliljedahl @MrValencia24 @KirstDy https://t.co/bZ1krAsz6z pic.twitter.com/B66qn3DivI

— Jordan Rappaport (@JRappaport27) November 22, 2022

Resource Links 

In this sequence @MSBJacobs shows that you don't have to create lessons with a lot of moving parts to have students develop understanding. In this case, we are looking at algebraic expressions with a combination of virtual tiles and vertical surfaces. Check out the entire thread here:
Gr7, Gr8, MTH1W
https://twitter.com/msbjacobs/status/1595164255070085120

I tried this activity in @MsLyon16 's MTH1W class using Polypad on @MathigonOrg to help illustrate algebraic expressions. First Q: if this is x + 2 what would 3(x+2) look like? Students go to the VNPS to work in small groups: pic.twitter.com/H4EOyLnLvF

— Michael Jacobs (@msbjacobs) November 22, 2022

Video Links 

Having just done a workshop at NCTM about visualizing multiplying and dividing fractions (https://bit.ly/nctm2022petro), I totally resonate with this post.
Curriculum Tags: Gr7, Gr8
https://twitter.com/howie_hua/status/1594017134278893568

New TikTok video: How do we VISUALLY show why we flip the second and multiply when dividing fractions? pic.twitter.com/HEAVjFk0pf

— Howie Hua (@howie_hua) November 19, 2022

Nice visualization of half life
Curriculum Tags: MCR3U, MHF4U
https://twitter.com/TimBrzezinski/status/1593976532023877632

Half-life function illustrated. Notice the half-life of substance does not depend on the initial amount! https://t.co/S3qyxae5sJ & https://t.co/l9VfJbcTjd @geogebra #MTBoS #ITeachMath #math #mathchat pic.twitter.com/fmoFQwDsVx

— Tim Brzezinski (@TimBrzezinski) November 19, 2022

Image Links 

Even if you are not a fan of Pokemon, you may like this quick reminder of 8 practices all math students should engage in
Curriculum Tags: All
https://twitter.com/howie_hua/status/1594813942748311553

8 Mathematical Practices meme pic.twitter.com/bIYmq75dZY

— Howie Hua (@howie_hua) November 21, 2022

What's the minimum/maximum number of calculations needed to find the blue area?
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/KH2020H0/status/1593740152798576640

What is the area of the region shaded in blue?
The below figure is a square of perimeter 24 cm. pic.twitter.com/psv7l1oVwY

— KHALID (@KH2020H0) November 18, 2022

Thank you IKEA
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/mathillustrated/status/1593074964155858944

Still one of my favorite #geometry pictures from @IKEAUSA #ITeachMath #ouch pic.twitter.com/BD5PpMTm1R

— Ralph Pantozzi (@mathillustrated) November 17, 2022

Math Links for Week Ending Nov 18th, 2022

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As a former physics teacher, I totally love the mix of @Desmos and other interactives on this sight. Check them all out. Even if you don't teach physics directly, you may find some that are perfect for your math class. 
Curriculum Tags: MPM2D, MCR3U, MCV4U
https://sites.google.com/view/afreeparticle/interactives?pli=1

If you aren't following Michael yet, you really need to be. Awesome math applications into Physics using @Desmos ! #iteachmath #iteachphysics https://t.co/FzFbY3WJNR

— Nick Corley (@MrCorleyMath) November 14, 2022

Resource Links

I continue to appreciate the work that @MaryBrourassa does in sharing what she does in her class. She continues to show that you can do a lot with a little
Curriculum Tags: MTH1W
https://twitter.com/MaryBourassa/status/1592539045175132161

Today in ##MTH1W we talked about number sets and density. We had previously talked about the real number system so this was an interesting application. Here's my #thinkingclassroom sequence (some may be from MathUp). pic.twitter.com/bSjEaniGVU

— Mary Bourassa (@MaryBourassa) November 15, 2022

Video Links

So visually appealing
Curriculum Tags: All
https://twitter.com/GHSMaths/status/1325425102331273217

Exploring patters with the Koch snowflake.

(see earlier posts for Desmos links and smoother animations) pic.twitter.com/XR8w3qI8KO

— Martin Holtham (@GHSMaths) November 8, 2020

Looking for a practical application of large powers of 10? Look no further than this massive gear box created by 3D Printer Academy
Curriculum Tags: Gr7, Gr8, MTH1W
https://www.youtube.com/watch?v=cM2heRrLuBc

Image Links

I think this looks intimidating because of the 7s so you may want to give students something similar with 2s to get them in the mood
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/KH2020H0/status/1592196988254441473

Can You Simplify this Challenging Complex Fraction?😁 pic.twitter.com/Nsby9DBIhf

— KHALID (@KH2020H0) November 14, 2022

Or maybe try this one.
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/sonukg4india/status/1591969550693990400

#morning with #math#quote of the day
"When you shoot an arrow of Truth, Dip its point in Honey" pic.twitter.com/bqD6T0DfTN

— SKG (@sonukg4india) November 14, 2022

Math Links for Week Ending Nov 11th, 2022

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The first time I was introduced to the #DebateMath idea was at Twitter Math Camp in 2017 in Atlanta and it was a pretty cool idea. I think that having some of these debate cards makes doing this in your class that much easier. 
Curriculum Tags: All
https://twitter.com/robertkaplinsky/status/1588971164499591176

Want students to have powerful debates about secondary mathematics? Check out Chris Luzniak's (@cluzniak) free debate cards (https://t.co/hOpRWpe98s) including this one for dividing fractions.

Here's his online workshop on debate in math class: https://t.co/xXJtAQg8Ts pic.twitter.com/6myHagbHgd

— Robert Kaplinsky (@robertkaplinsky) November 5, 2022

Resource Links 

It looks like @JRappaport27 has really been doing a good job of taking resources from all over the Twitterverse and consolidating them into solid lessons. Here's one set dealing with fractions:
Curriculum Tags: Gr7, Gr8
https://twitter.com/JRappaport27/status/1590771376079503360

Each task follows this sequence:
1. Which One Doesn't Belong
2. Build fractions using cuisenaire rods, adding constraints along the way.
3. Fraction Talk to consolidate, connect and extend.
4. Individual Reflection@WODBMath #menumath #OIFMath #iteachmathhttps://t.co/a5lH9kUBNo pic.twitter.com/lgR2Gsa0Lp

— Jordan Rappaport (@JRappaport27) November 10, 2022

Video Links 

It's always good to know a little math
Curriculum Tags: All
https://twitter.com/nathanday314/status/1588906885897285632

Yesterday, my Year 10s were treated to my favourite University Challenge clip... pic.twitter.com/JJ1EdLYxRN

— Nathan Day (@nathanday314) November 5, 2022

Image Links 

Twitter has really gone down hill lately :-)
Curriculum Tags: MPM2D
https://twitter.com/howie_hua/status/1590402846834708480

I can't believe it. Twitter suspended the Distance Formula for impersonating the Pythagorean Theorem. pic.twitter.com/bATzpgG180

— Howie Hua (@howie_hua) November 9, 2022

Math Links for Week Ending Nov. 4th, 2022

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Are you looking for more reasons to try the #ThinkingClassroom then how about the sentiment of students who are experiencing it. 
Curriculum Tags: All
https://twitter.com/MaryBourassa/status/1587133458513551363

Why #ThinkingClassroom. A few responses when asked "What are your thoughts on this class?". Thank you @pgliljedahl for sharing your research with teachers and making it accessible. pic.twitter.com/8sn8vANvUQ

— Mary Bourassa (@MaryBourassa) October 31, 2022

Resource Links

If you follow @TimBrzezinski then you know that he is a master at making math based animations. And everyone has to start somewhere. 
Curriculum Tags: Gr7, Gr8
https://twitter.com/TimBrzezinski/status/1586521704096223232

Here’s the very first complex @geogebra animation I ever made. It was about 6 years ago. Took forever. Looking back, it’s still one of my favorites. https://t.co/mFsRWnEK5z & https://t.co/1qXNSPgnYq #MTBoS #ITeachMath #geometry pic.twitter.com/ctGVytoQLX

— Tim Brzezinski (@TimBrzezinski) October 30, 2022

Who doesn't like playing with Fractals?
Curriculum Tags: All
https://twitter.com/MathTechCoach/status/1586747251711410176

Enjoy this Fractal Dragon in @GeoGEbra. Make something you like, take a screenshot, and post a pic!https://t.co/5rAexY5jbt pic.twitter.com/HlO5I5KZoI

— Steve Phelps (@MathTechCoach) October 30, 2022

Video Links

I may be biased but I thought fellow Canadian @NatBanting's Ignite session was the best of the lot this year at #NCTMLA22. Now Thanks to @KirstDy's bootleg copy, you can see why
Curriculum Tags: All
http://natbanting.com/nctm-la-ignite/

Image Links

I've never heard of "adding one" as the camel principal. But there is a nice story in the thread for this important math tool. 
Curriculum Tags: All
https://twitter.com/TivadarDanka/status/1588131890040434688

Behold one of the mightiest tools in mathematics: the camel principle.

I am dead serious. Deep down, this tiny rule is the cog in many methods. Ones that you use every day.

Here is what it is, how it works, and why it is essential. pic.twitter.com/cevNDm2ASe

— Tivadar Danka (@TivadarDanka) November 3, 2022

This is like a "lite" version of @NatBanting's #MenuMath. Either way you should be able to get responses from students of all abilities. 
Curriculum Tags: Gr7, Gr8
https://twitter.com/JRappaport27/status/1588173149484781568

The idea is students create their own, build it, then have others solve. Interested to see what folks can come up with. Would love to see some pictures with cuisenaire rods. @KirstDy @NatBanting @pgliljedahl @BurdessAlicia @Mathgarden @DanShuster @shskaercher @davidpetro314 pic.twitter.com/qu8rfItCrH

— Jordan Rappaport (@JRappaport27) November 3, 2022

Here's a good starter for kids who have been doing area for a while or a challenge to those who are new at it. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/dment37/status/1586632995892613121

Blue area? @geogebra #geogebra pic.twitter.com/3w9Z3GHgER

— Daniel Mentrard (@dment37) October 30, 2022

    

Math Links for Week Ending Oct 28th, 2022

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I have been an advocate of Tarsia puzzles for years. They are an awesome self checking activity that incorporates a fun way to do practice. My biggest complaint was that the software to create them was Windows based only. But thanks to @JustinAion I see that there is an online version that you can use to create your own. That being said, you can get the more powerful version of the software here and then go to @MrBartonMaths page here to get literal tonnes of premade ones. And the few that I have made are here. 
Curriculum Tags: All
https://www.tarsiamaker.co.uk/

Day #17: Inequalities Card Sort (Day 2) & Inequalities Puzzle (algebra) #teach180 #msmathchat pic.twitter.com/oHQB2heiu4

— Ron King (@mthman) September 28, 2017

Resource Links 

What a fun little two person puzzle your students can play. Can they determine an optimal strategy
Curriculum Tags: All
https://twitter.com/sergeballif/status/1583835999918260224

I made a @Desmos activity that we'll be using in our Pi-rate Math Club for Science Mom patrons. I called the game Side-to-Side, but I'd love to know if it has another name. I don't remember when I first saw it. https://t.co/opqNWpeItS pic.twitter.com/fDlG73vSWW

— Serge Ballif (@sergeballif) October 22, 2022

Video Links 

This method may be algorithmic but I have always loved it. And way back when I started teaching, it really introduced me to the weirdness of the fact that 0.9999.... is equal to 1. 
Curriculum Tags: MTH1W
https://twitter.com/howie_hua/status/1586158925782867968

New TikTok video: How do we convert a repeating decimal into a fraction? pic.twitter.com/ng5VRa6MHI

— Howie Hua (@howie_hua) October 29, 2022

Image Links 

Some circle theorem problems for you 
Curriculum Tags: MTH1W
https://twitter.com/draustinmaths/status/1585217325317644289

Final batch of circle theorems resources. Hopefully something for everyone, including two activities to introduce some of the circle theorems through isosceles triangles, another mixed practice grid and, for the IGCSE folk, intersecting chord and secant theorems practice. Enjoy! pic.twitter.com/w6TmpK4zQY

— Amanda Austin (@draustinmaths) October 26, 2022

It really is cool that this is true. Good old 52!
Curriculum Tags: MDM4U
https://twitter.com/MathsEdIdeas/status/1585046833381793792

More than

99.99999999999999999999999999999999999999999999999022%

of the possible arrangements of a shuffled deck of playing cards have yet to be seen. pic.twitter.com/kSgzts5VFk

— Maths Ed (@MathsEdIdeas) October 25, 2022

Math Links for Week Ending Oct 21st, 2022

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I keep forgetting that there is more to @MathigonOrg than just Polypad. Here are two examples of other things that students can benefit from. 
Curriculum Tags: All
https://mathigon.org/factris
https://mathigon.org/multiply

Factris is a game that teaches about simple arithmetic, divisibility, factors and prime numbers – and it is incredibly fun. For maximum points, try to clear as many rows as possible at once. What is your high score?

Play at https://t.co/Cxux1vDo0f pic.twitter.com/UjVabkdN16

— Mathigon (@MathigonOrg) October 20, 2022

Multiplication by Heart is a wonderful way for students to learn multiplication facts. Made in partnership with @MathforLove, our program uses spaced repetition, has helpful visuals, and provides detailed teacher analytics. Explore for yourself at https://t.co/YDzrvz5FTc pic.twitter.com/587IXrdWYT

— Mathigon (@MathigonOrg) October 19, 2022

Resource Links 

I always appreciate @MathsJem's resource posts. It's always good to get resources from the other side of the pond. 
Curriculum Tags: All
https://www.resourceaholic.com/2022/10/5-maths-gems-163.html

New! My 163rd gems post. 💎

Ideas, updates and resources for maths teachers.https://t.co/xF0Crufkwa

Includes a link to my #mathsconf30 slides.

Hat tips to follow!#mathsgems #mathschat #teammaths pic.twitter.com/ko1Ynp7ipo

— Jo Morgan (@mathsjem) October 16, 2022

Video Links 

I like to have examples of math used in the real world. In this case, even though this is a longish video, they show some practical uses of percent, ratio, average and even statistics to figure out that they potentially could be losing tonnes of money. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://www.youtube.com/watch?v=V6iTHD_xnoI

It's important not to just give students rules to follow. In these two videos, @Howie_Hua gives us some other strategies when dealing with integer operations. 
Curriculum Tags: Gr7, Gr8
https://twitter.com/howie_hua/status/1573098362471153667
https://twitter.com/howie_hua/status/1583244682246516736

New TikTok video: Why does a negative times a negative equal a positive? pic.twitter.com/tzApWv7G8P

— Howie Hua (@howie_hua) September 22, 2022

New TikTok video: We don't need to rely on "two negatives make a positive" when subtracting pic.twitter.com/G8qfdp9O2p

— Howie Hua (@howie_hua) October 20, 2022

Image Links 

Though not math related, I think that knowing how your students are feeling is super important for making sure they are ready to learn. These prompts would go along well with some of these @Desmos starter screens. 
Curriculum Tags: All
https://twitter.com/Principal_H/status/1583455641053470720

Questions you can ask instead of "how are you?"#teacher #leader #sped #autism #cte #specialeducation #teachertwitter pic.twitter.com/5hl39vNVpc

— 𝐂𝐡𝐫𝐢𝐬𝐭𝐨𝐩𝐡𝐞𝐫 𝐇𝐚𝐫𝐫𝐢𝐬 🎸🏴‍☠️🧩🤖 (@Principal_H) October 21, 2022

Math Links for Week Ending Oct 14th, 2022

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Though this isn't necessarily a math link, I think it's important for all teachers and administrators to see. If you've followed this blog then you have probably seen me post links many times from @RobertKaplinski. This time it's a bit different. Follow this link to watch the full video of his #NCTMLA22 talk to get some insights about foster students that you may have in your classes. In fact, you may have them in your classes right now and not even know it. Regardless, understanding some of the struggles they may have is the first step into helping them succeed. Do not miss this.
Curriculum Tags: All
https://robertkaplinsky.com/5-struggles-your-foster-students-wished-you-knew/

Whether you've known or not, you've probably had a foster child in your class. Regardless, watch this recording of a powerful #NCTMLA22 session from @robertkaplinsky & @ZennedMath on 5 struggles those students have:https://t.co/MfuoRYgZBT#MathChat #MTBoS #iTeachMath pic.twitter.com/HpY9dTFyhz

— David Petro (@davidpetro314) October 9, 2022

Resource Links

Even if you are not interested in the grade level he's working on here, the concepts @JRappaport27 is working on to support the thinking classroom should give you all some ideas to expand out to in your own classes. 
Curriculum Tags: All
https://twitter.com/JRappaport27/status/1579897357021642752

Working on a sequence of Check Your Understanding (gr. 4-6) questions by bridging the research of @pgliljedahl, @pamseda1 and @kyndallab. Welcoming feedback. #mtbos @KirstDy @NatBanting @davidpetro314 @BurdessAlicia @DanShuster (who clued me into many of these tasks) pic.twitter.com/idYRjqCdLG

— Jordan Rappaport (@JRappaport27) October 11, 2022

If you've familiar with @PJLiljadah's workshops or book then you are familiar with the Tax Collector problem (especially as one that is good to introduce the logistics of VNPSs). Here is more work that @JRappaport27 has done to tease out the thinking on that problem. 

Curriculum Tags: All
https://twitter.com/JRappaport27/status/1580963198819217420

First in the larger sequence is the Tax Collector. But we might build a Number String first. Our goal for consolidation is a collaborative approach to sense-making. Students then have time for reflection while explaining their understanding of the math. #mtbos @KirstDy https://t.co/fOiuNhl4Us pic.twitter.com/mOO8unGDxI

— Jordan Rappaport (@JRappaport27) October 14, 2022

What a cool use of Microbits. 
Curriculum Tags: MCR3U, MHF4U
https://twitter.com/MrHillEdu/status/1579647813797171201

In maths enrichment we worked with @microbit_edu and @Desmos to graph out how quickly the temp of Pizza drops, then we used Google Maps and scale drawings to map out the distance we could cover to deliver 🍕 without complaints! #mathsbtc pic.twitter.com/lQ8tlm0rLW

— Dominic Hill (@MrHillEdu) October 11, 2022

I love when teachers find websites that could be used to collect data in an interesting way. It would be cool to have students submit images (maybe even of themselves) to discuss the implications of what is considered "beautiful"
Curriculum Tags: MTH1W
https://pinkmirror.com/blog/photo-retouch-face-attractiveness-score/

So I went down the "facial golden ratio" rabbit hole and found a site which will assess your proportional beauty if you upload a photo: https://t.co/CkP0QnwKUu
Feel like there is a data collection activity to be had here. 2/2 pic.twitter.com/T6de6B92Fb

— Bob Lochel (@bobloch) October 11, 2022

Opinion Links

If we can do a better job of connecting play with mathematics, then we could make huge strides in helping show students that they can do math. In this post @a_mcsquared, gives us some reasons to focus on play and some ways to get there. I love @sergeballif's Golf game. 
Curriculum Tags: All
https://blogs.learnquebec.ca/2022/10/playing-in-math-using-desmos/

Video Links

This seems like a fun way to find the GCF
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/howie_hua/status/1578526824866271234

New TikTok video: I wish I was taught this way of finding the GCF when I was in school pic.twitter.com/A5LWvhHCbJ

— Howie Hua (@howie_hua) October 7, 2022

Image Links

Some fun calculations with properties of circles
Curriculum Tags: MTH1W
https://twitter.com/dment37/status/1580094933624836096

Blue area? @geogebra #geogebra pic.twitter.com/rYW4SaCzyU

— Daniel Mentrard (@dment37) October 12, 2022