Math Links for Week Ending Dec. 31st, 2021

Featured Links

I love the idea of students creating their own review activity. In this case, @MathyCathy has created a Desmos template where students each get a slide (chosen at random) to create a problem and then have to present that problem to the rest of the class. You could probably do this with a slideshow but I think it may work better via a Desmos activity. Get all the details of the logistics of doing this in the blog post
Curriculum Tags: All
https://www.mathycathy.com/blog/2021/12/template-ideas-for-review-and-self-reflection/

Resource Links

Some fractals to bring in the new year
Curriculum Tags: All
https://twitter.com/MathTechCoach/status/1475278882211250178

And with this Substitution Fractal...https://t.co/6fODGtdSif https://t.co/K2sbFXxSgC pic.twitter.com/g1jto2fCH9

— Steve Phelps (@MathTechCoach) December 27, 2021

Video Links

A couple videos from @HowieHua, one on fractions and the other on cross multiplying
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/howie_hua/status/1475632657564266497
https://twitter.com/howie_hua/status/1475254131531026433

New TikTok video: Comparing fractions using common numerators pic.twitter.com/Ip0wdldC9o

— Howie Hua (@howie_hua) December 28, 2021

New TikTok video: Why does cross multiplying work? pic.twitter.com/P2U4w5nMWy

— Howie Hua (@howie_hua) December 26, 2021

Image Links

Bring in the new year with Pythagorean Theorem
Curriculum Tags: Gr8, MTH1W
https://twitter.com/edsouthall/status/1476872329888243718

Happy New Year 2022 wherever you are :) pic.twitter.com/mFLf6XIBGw

— Ed Southall (@edsouthall) December 31, 2021

This is good both from an informative standpoint and as a great ratio/rate problem source. 
Curriculum Tags: Gr7, Gr8, MTH1W
https://twitter.com/jennalaib/status/1476270272219123717

Ripe with mathematical possibility!

There’s another chart in the replies that flips the ratio — from streams per dollar to dollars per stream. #mtbos #msmathchat #iteachmath https://t.co/dh2MFCjiiw

— Jenna Laib (@jennalaib) December 29, 2021

There geometry everywhere
Curriculum Tags: All
https://twitter.com/GeomeTribal/status/1476449100363177993

2.7-meter-long wall hanging, embroidered stitch by stitch by a woman in Chefchaouen, Morocco, circa 1800.
(Best seen enlarged) pic.twitter.com/q2EwnOa6ZJ

— Ancient Geometry (@GeomeTribal) December 30, 2021

Math Links for Week Ending Dec. 24th, 2021

Featured Links

Do you need 133 math manipulatives? 
Curriculum Tags: All
https://mathsbot.com/thanks

Merry Christmas everyone, enjoy the holiday!

Have 133 free manipulatives and tools on me. 😉https://t.co/yjS91iWq3h pic.twitter.com/lJ0jAxALNy

— Jonathan Hall (@StudyMaths) December 17, 2021

Resource Links

Another snowflake maker from @MathTechCoach. This time in @Geogebra
Curriculum Tags: All
https://twitter.com/MathTechCoach/status/1472553121746501634

Hey #MTBoS and other interested Twitter-ers. Give this @GeoGebra Fractal Snowflake Creator a try, the take a screenshot and post it in this thread! Let's make it snow!https://t.co/ZxxoEg4TX4 pic.twitter.com/QSDLJzOJVO

— Steve Phelps (@MathTechCoach) December 19, 2021

A nice summary of some math resources including order of operations, trig functions and more from @MathsGem
Curriculum Tags: All 
https://www.resourceaholic.com/2021/12/5-maths-gems-152.html

New! My 152nd gems post. Ideas, resources and updates for maths teachers. 💎https://t.co/0bdhYdrwFK

Hat tips to follow!#mathsgems #teammaths #mathschat pic.twitter.com/40LbHBA2FG

— Jo Morgan (@mathsjem) December 22, 2021

Looking for a new book to put on your shelf, try this one from @MathGeek76

Curriculum Tags: All

https://twitter.com/mathgeek76/status/1474196566898614275

Attention last minute holiday gift shoppers! You can pre-order my book, The Imperfect and Unfinished Math Teacher here: https://t.co/vCgsuF0DmL

Want them to open a gift? Print out this image, stick it in a card, and boom! Problem solved! #iteachmath @CorwinPress #Corwinmath pic.twitter.com/1Oo64K4Ip2

— chase orton (@mathgeek76) December 24, 2021

Video Links

Need a visual of a diagonal for a rectangular prism? Perfect for a cool Pythagorean Theorem problem
Curriculum Tags: MTH1W, MPM2D, MFM2P
https://twitter.com/MagicPi2/status/1471729102113710084

Angle between the diagonal and base of a cuboid#MTBoS #iteachmath #Maths #Maths pic.twitter.com/Lmr5IZ2c56

— Idan Tal (@MagicPi2) December 17, 2021

Image Links

Some words about Ramanujan
Curriculum Tags: All
https://twitter.com/stevenstrogatz/status/1473645104409845763

Today is Ramanujan’s birthday. If you have never read this remembrance by his collaborator G.H. Hardy, you must read it now. (After watching THE MAN WHO KNEW INFINITY, I hear Jeremy Irons’s voice in every line.) https://t.co/L6UXCfZDCq pic.twitter.com/xR7UqIiAvW

— Steven Strogatz (@stevenstrogatz) December 22, 2021

 

Math Links for Week Ending Dec 17th, 2021

Featured Links

I think this would be a fun activity for you to give to your students: Make a Math Meme. Be sure to check the comments for all the examples
Curriculum Tags: All
https://twitter.com/howie_hua/status/1472059465339785218

I asked students to make a meme of me/this class and here are some of them, starting with one that made me laugh out loud: pic.twitter.com/2rR3FE6IMw

— Howie Hua (@howie_hua) December 18, 2021

Resource Links

You can do some pretty cool stuff with Graspable Math
Curriculum Tags: MTH1W
https://twitter.com/math_inquirer/status/1469818648332275719

Wondering if anyone has tried @GraspableMath with Ss in #mth1w? Your observations? I'm going to give it a try. Here's a shareable activity I've made re: simplifying polynomial expressions: https://t.co/gnAnElHkMA #mathedu #onted #iteachmath #MtBos #AforL #AasL pic.twitter.com/L8aW27SJts

— Chris Stewart (@math_inquirer) December 11, 2021

I think any support we can give students when solving equations is helpful. Especially when it's not "follow these 7 steps when you see this situation"
Curriculum Tags: MTH1W
https://twitter.com/joelbezaire/status/1470566365467750412

I did this @Desmos activity again today, and it again went really well. I’m re-upping it here since I just haven’t seen anything else like it lurking around.

Middle school multi-are equations, error analysis, encouraging flexibility with steps, etc. https://t.co/LsePu3iLtY

— Joel Bezaire (he/him) (@joelbezaire) December 14, 2021

I can't wait to start making equations to solve with my face on the values :-)
Curriculum Tags: Gr7, Gr8, MTH1W, MFM1P
https://twitter.com/davidporas/status/1470555607904227330

Do you know you can easily assign values to imported images on Polypad and then use them on the balance scale?

Learn how at https://t.co/RWgtHEtICG

Maybe give this puzzle a try with elementary students?https://t.co/9tlO5dSH31 @MathigonOrg #math #mathchat #iteachmath #mtbos pic.twitter.com/bAutvhyo7o

— David Poras (@davidporas) December 14, 2021

Video Links

Math is everywhere, right? Especially if you need a bar graph
Curriculum Tags: Gr7, Gr8
https://twitter.com/msbjacobs/status/1470136358274482176

Math(s) doesn’t get any sweeter than this @QualityStreetUK pic.twitter.com/WfuDYyDBlW

— Michael Jacobs (@msbjacobs) December 12, 2021

I like the numerical way that is used to prove this. And check out the comments for a visual solution
Curriculum Tags: MTH1W, MCR3U
https://twitter.com/howie_hua/status/1471283950190358534

New TikTok video: Which is greater, 9^10 or 10^9? pic.twitter.com/iBpM8RicOv

— Howie Hua (@howie_hua) December 16, 2021

A different way to do a net of a cylinder:
Curriculum Tags: Gr7, Gr8
https://twitter.com/MagicPi2/status/1469575522342641665

Net of an open cylinder#mtbos #iteachmath #Math #Maths pic.twitter.com/8ewECcp95u

— Idan Tal (@MagicPi2) December 11, 2021

Image Links

Here is some data that you can have your kids use to verify what they know about exponential growth
Curriculum Tags: MCR3U
https://twitter.com/imgrund/status/1471323108871188480

All of my R values tomorrow reflect the newest data on generation times, released December 2nd, 2021 from a paper out of London, England.

Here’s my updated, “What does this Rt mean?” chart which corresponds to these significant changes. pic.twitter.com/YFV472ODzK

— Ryan Imgrund (@imgrund) December 16, 2021

It's always good to see math in nature
Curriculum Tags: All
https://twitter.com/GeomeTribal/status/1469004937220829188

Natural microscopic dodecahedrons, with twelve pentagonal sides 😍

1. Pollen grain from the greater stitchwort (Stellaria holostea)

2. Braarudosphaera bigelowii, a single-celled phytoplanktonic algae with a fossil record going back 100 million years, long before Plato! pic.twitter.com/EgYSD2j5nI

— Ancient Geometry (@GeomeTribal) December 9, 2021

A logarithmic Meme, nice
Curriculum Tags: MHF4U
https://twitter.com/cbrownLmath/status/1469766108647329792

I wish I could take credit for this meme but it is definitely @howie_hua worthy even if he didn’t make it himself. #mathjokes #mtbos #mathmemes #weplaymath @lilmathgirl pic.twitter.com/a3JqKylCip

— "Dr. Chris" Brownell _Just got Boostered! (@cbrownLmath) December 11, 2021

Math Links for Week Ending Dec. 10th, 2021

Featured Links

This is a good reminder that an engaging lesson doesn't need to be complicated and have all kinds of bells and whistles.
Curriculum Tags: MTH1W
https://twitter.com/MaryBourassa/status/1468997599004876801

Also in #MTH1W today, they noticed and wondered as I moved the points on this Desmos screen. We've spent a good chunk of time on rate of change so this was not a big leap. https://t.co/hAA0tnwZ7U

— Mary Bourassa (@MaryBourassa) December 9, 2021

Resource Links

Here's a quick way to collect some data to talk about distributions.
Curriculum Tags: MTH1W, MDM4U
https://teacher.desmos.com/activitybuilder/custom/61b1436ed793b3e2e47d1d3a

Inscribe a unit circle in a 2x2 square. Place a random point on the circle's edge and another on the square's edge, connecting them with a segment. What is the shortest possible segment length? Longest? Typical? @Desmoshttps://t.co/ZMGGfxx2nL pic.twitter.com/d23UkLauuj

— Steve Phelps (@MathTechCoach) December 9, 2021

Another logic puzzle from @MathEqualsLove
Curriculum Tags: All
https://mathequalslove.net/reindeer-logic-puzzle/

Someone spotted a typo in the printable file I made for the Reindeer Logic Puzzle. Somehow I made places to write the names of only 7 of the 9 reindeer.

It has been fixed! Sorry if this caused you any confusion! https://t.co/1ICTXwubfK #mtbos #iteachmath #puzzlingclassroom pic.twitter.com/q5AKJO0APr

— Sarah Carter (@mathequalslove) December 9, 2021

Article Links

We've all seen sample lessons on creating art with equations but this assignment is a bit different. In it, student shave to make a video of their favourite Equation (and hopefully along the way show the beauty in mathematics). Thanks to @KMarkPet for this one 
Curriculum Tags: MTH1W, MPM2D, MCR3U, MHF4U
https://www.edutopia.org/article/exploring-beauty-math

Video/Audio Links

I have made a Desmos version of one of @SteveWyorney's Esti-Mysteries. The link will take you to the Desmos Activity and the video will explain how to change that Desmos activity so that you can make it match any of Steve's Esti-Mysteries
Curriculum Tags: All
https://engaging-math.blogspot.com/p/desmos-activities_10.html

If you are looking for an interesting context where rates are used, check out this episode of @TheIndicator. They are talking about vinyl record sales and at 6:38 they go into the calculation of how long it would take to press 500,000 records. It's just a small calculation but the context is interesting and hopefully will give students insight as to when rates can be used. Check out this podcast and many more math based podcasts. 
Curriculum Tags: Gr7, Gr8, MTH1W
http://ontariomath.blogspot.com/p/podcasts.html

Image Links

Who knew that getting a PS5 was this easy
Curriculum Tags: All
https://twitter.com/mrmakemathsense/status/1468715598582538246

Ss showed me a pic of a PS5 today and it made me laugh so hard I almost shout milk through my nose. #iteachmath #mtbos #mathchat #mathisfun #maths #gaming @MrNunesteach @MrsSheehanMath @NatBanting @msmakemathsense @KirstDy @KSquared_Math @Hedreich @Willmdunn @mathladyhazel pic.twitter.com/encCQAJTeg

— J Hamilton (@mrmakemathsense) December 8, 2021

Math Links for Week Ending Dec. 3rd, 2021

Featured Links

There are 10 school days left until the Christmas break and @MSBJacobs is already a few days into the 12 days of Christmas. Check out his blog http://themathguy.blogspot.com/ or the @DCDSBMath Twitter feed to get them all as they come out
Curriculum Tags: All
https://twitter.com/DCDSBMath/status/1466039835593003017

It's the #12DaysOfChristmath Day 1! Here is the intermediate puzzle for you to try at home or in class. pic.twitter.com/GunJPWL0Yt

— DCDSB Math (@DCDSBMath) December 1, 2021

Resource Links

Anyone can come up with an @OpenMiddle problem
Curriculum Tags: Gr7, Gr8
https://twitter.com/robertkaplinsky/status/1466915910296481800

This @openmiddle problem is great for 3rd graders studying equivalent fractions. It comes from my son, Owen Kaplinsky! https://t.co/T2OOZM2LrX #iteachmath pic.twitter.com/X5fD3lZaSO

— Robert Kaplinsky (@robertkaplinsky) December 3, 2021

More @OpenMiddle type questions from @AliceKeelor, this time dealing with calculating tax
Curriculum Tags: Gr7, Gr8, MTH1W

https://twitter.com/alicekeeler/status/1464765998616170500

Use this Google Jamboard for students to strategize finding TAX. https://t.co/7jVXUvj0LP

For more sample Jams check out the book Teaching with Google Jamboard on Amazon https://t.co/DUYtVWnbBw #googleEDU @openmiddle pic.twitter.com/02sYKhW66T

— Alice Keeler (@alicekeeler) November 28, 2021

Seems fitting to make a snowflake out of fractals
Curriculum Tags: All
https://twitter.com/MathTechCoach/status/1466917759586127874

Hey #MTBoS Twitter! You know what to do! Drag the points in this @geogebra app to make a cool Fractal Snowflake and post a pic!https://t.co/7pPEaiYlm5 pic.twitter.com/ry1fx8GRTe

— Steve Phelps (@MathTechCoach) December 3, 2021

Video/Audio Links

This month's @OAMEtalks podcast features @ChapCat talking about assessment. 
Curriculum Tags: All
https://talks.oame.on.ca/season-4

[New Podcast] This episode features @chapcat with a preview of their Dec 8th webinar "Count on Great Assessment!". Check it out at:https://t.co/0vDefTpRE3#mathchat #MTBoS #iTeachMath pic.twitter.com/HTP3BhuAw2

— OAME talks (@OAMEtalks) December 1, 2021

I love a good factorial conundrum. 
Curriculum Tags: MDM4U
https://twitter.com/howie_hua/status/1465485644168237057

New TikTok video: A pop quiz on factorials! pic.twitter.com/1gGaJgIrmt

— Howie Hua (@howie_hua) November 30, 2021

I like how this connects to unit fractions and algebra
Curriculum Tags: Gr7, Gr8
https://twitter.com/howie_hua/status/1465849335975870467

New TikTok video: Why do we need common denominators when adding and subtracting fractions? pic.twitter.com/2MKjBGJTlb

— Howie Hua (@howie_hua) December 1, 2021

I have always loved decomposing rectangles when visualizing double digit multiplication. So many connections to fractions and algebra

Curriculum Tags: Gr7, Gr8
https://twitter.com/howie_hua/status/1466571080189943816

New TikTok video: Multiplying with rectangles pic.twitter.com/nopeA9tVpY

— Howie Hua (@howie_hua) December 3, 2021

Image Links

Cook your turkey, with calculus
Curriculum Tags: MCV4U
https://twitter.com/LongFormMath/status/1463907921222246405

Reminder: If you check your Turkey’s temp at two points while it bakes, then Newton’s Law of Cooling can tell you what time your turkey will reach 165°.

Here’s a pic from 2013 when my math grad school friends and I did the calculation. It predicted 6:30 and was almost perfect. pic.twitter.com/KpOoAYwp2l

— Jay Cummings (@LongFormMath) November 25, 2021