Friday, November 24, 2017

Math Links for Week Ending Nov. 24, 2017

When teachers create activities to share, that's where the Internet is great. I have said that a few times on this blog and I especially like when those activities are for senior math courses. Sometimes we forget that senior students need to have activities too. In this activity, @MaryBourassa has done the leg work for creating logarithmic functions by creating cards of several functions. That's the hard work. The easy bit is giving each function to groups of students and having them determine their function's equation.
Curriculum Tags: MHF4U
http://marybourassa.blogspot.ca/2017/11/log-graphs.html

A nice little fraction activity from @mathletepearce which could be used from gr1-8. Reminds me of the Fraction Talks website.
Curriculum Tags: Gr7, Gr8
https://tapintoteenminds.com/3act-math/cover-it-up/






Some more adventures in a gradeless class from @MsHLye. This time at teacher/student conferences.
Curriculum Tags: All
http://teachinginspirations.blogspot.ca/2017/11/reflections-on-midterm-conferences-in.html

An interesting post from @ddmeyer which is essentially a call to arms in revamping the curriculum. The idea is that currently its designed with very few in mind:
"And just as the economic 1% creates systems that preserve its status – policies like the mortgage interest deduction for homeowners, discriminatory lending policies, and lower taxes on capital gains than income – through our action or inaction we create systems that preserve our status as the knowers and doers of mathematics."
Check out the whole post below
Curriculum Tags: All
http://blog.mrmeyer.com/2017/dismantling-the-privilege-of-the-mathematical-1/

Just a quick image from @wheeler_laura on what should be happening in each class
Curriculum Tags: All
https://twitter.com/wheeler_laura/status/934080070586580992

Who knew the change in acceleration was called the jerk? Well you do now, thanks to @ViHartViHart
Curriculum Tags: MCV4U
https://www.youtube.com/watch?v=LkLBVMgsSHQ

The return of the hexaflexigon. This time actual instructions.
Curriculum Tags: All
https://www.youtube.com/watch?v=Svq2Kscmmwc


A great image for adding fractions
Curriculum Tags: Gr7, Gr8
https://twitter.com/nomad_penguin/status/933903851580661761

A nice WODB from @MSBJacobs for Advanced Functions
Curriculum Tags: MHF4U
https://twitter.com/msbjacobs/status/934100008386772993




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Friday, November 17, 2017

Math Links for Week Ending Nov. 17th, 2017

As some of you know, Desmos now does Geometry now. That's great but my preferred mode of operation with Desmos is Activity Builder. I guess that is in the works and I got some advanced access to a beta version. So this is my first Geometry activity. It's an investigation into properties of Quadrilaterals (by looking at diagonals). It walks students through some of the properties and then lets them summarize with a table. In the end, they get some randomly generated practice to test their skills. Keep in mind it's in Beta so there may be times when it doesn't work right now. Check it out and the rest of my Desmos activities at the link below and you can see my brief explanation at the video below.
Curriculum Tags: Gr8
http://engaging-math.blogspot.ca/p/desmos-activities_10.html


So many resources for operations with integers from  @G_BRGMN. From adding & subtracting to order of operations, it's all here. Some paper and pencil and some from Desmos. I particularly like the One Incorrect worksheet. Check them all out.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://countjoy12.wordpress.com/2017/11/05/integers/

Last week when I was in Ottawa seeing @PGLiljedahl and the topic of student's taking notes came up. I was sitting next to @Wheeler_Laura and she was talking about her Course Packs that she uses for student notes. Each is about 10 pages long and each page covers one overall expectation. Student's use these to generate their notes for the three courses she has done already. And on a related note, check out her summary of the OAME Leadership conference.
Curriculum Tags: MPM1D, MFM1P, MPM2D, MFM2P
https://mslwheeler.wordpress.com/2017/11/11/course-packs-for-the-thinkingclassroom/


Want to mix Pi and poems, why not have students write poems where the number of letters in each successive word matches the digits of Pi. Here's a none poetic example "Can I have a small container of coffee?" and a great Google Slides template from @EricCurts. Thanks to @LLClement for pointing this one out.
Curriculum Tags: All
http://www.controlaltachieve.com/2017/09/pi-poems.html


Ontario Mathies is looking for some feedback on their new Algebra Tiles App. You can help by following the link in the Tweet below. That will take you to an online form with questions about the app and there is a link in the form to the current beta version.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://twitter.com/rossisen/status/931204160585953280


And speaking of Mathies Apps, there are some new updates on the Notepad app for using number lines and "hops". I am starting to develop some ideas about dividing fractions on a number line and I think these will help.
Curriculum Tags: Gr7, Gr8
http://mathies.ca/apps.php?referringPage=Learning%20Tools#Nn0

Some teachers shaking things up by teaching math with art. Well done. Thanks to @KMarkPet for this one.
Curriculum: All
http://www.cbc.ca/news/canada/london/london-ontario-combined-art-math-course-1.4395354

If you haven't already seen @MFAnnie's Ignite talk on Noticing and Wondering, what are you waiting for? And if you still, after seeing it, aren't sure why you want kids to notice and wonder then you might want to check out @mathletepearce's post on why he wants kids to notice and wonder.
Curriculum Tags: All
https://tapintoteenminds.com/notice-wonder/

You can have your kids practice working with powers and have them look for primes at the same time from @Numberphile.
Curriculum Tags: Gr8, MPM1D, MFM1P
https://www.youtube.com/watch?v=fcVjitaM3LY

So cool, using a pile of matchboxes that can learn to play Tic-Tac-Toe from @standupmaths
Curriculum Tags: All
https://www.youtube.com/watch?v=R9c-_neaxeU


I can't get enough of WODB. This one for equivalent fractions from @Mr_Stadel
Curriculum Tags: Gr7, Gr8
https://twitter.com/mr_stadel/status/930550152200253440






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Friday, November 10, 2017

Math Links for Week Ending Nov. 10th, 2017

This week was the OAME Leadership Conference in Ottawa and @PGLiljedahl was the keynote. It was great to hear about all of his research on how to build a thinking classroom first hand. There were a lot of points that he clarified about pulling it off. In the image here you can see a summary of the main things you need to do and the best practices for doing them (based on research). You can get the slide deck for his presentation at the link below and see the back channel here.
Curriculum Tags: All
http://www.peterliljedahl.com/presentations

You can also see @wheeler_laura's Sketchnote below
https://twitter.com/wheeler_laura/status/929003274891677697

and neat video of a pile of us using Vertical Non-Permanent Surfaces from @MJacobs
https://twitter.com/msbjacobs/status/929012412581404673



I tell a lot of teachers about Desmos Activity builder and sometimes it's hard to get the idea across. However, @JRuelbackh has created a really nice activity for teachers to go through as a student in order to see what features exist on Activity Builder. So if you have teacher who you think may benefit from this, send them to her blog post about using Activity Builder in other disciplines and try it out yourself right here.
Curriculum Tags: All
https://ispeakmath.org/2017/10/22/desmos-activity-builder-for-all-disciplines/



In this Desmos activity @MathyCathy asks: Is it Linear? Is it Parallel? Is it Perpendicular? all using card sorts. She also has a paper/pencil version. Either way this makes a nice consolidation activity for students.
Curriculum Tags: MPM1D
http://www.mathycathy.com/blog/2017/10/is-it-parallel-using-desmos-card-sorts-to-extend-student-thinking/






I don't think this is a new problem but it was nice to be reminded of it by @mathforlove where he talks about it as a great way to get kids to step out of their comfort zone by taking chances with their guesses. The puzzle is the 2-4-6 puzzle where students have to guess the rule for those numbers.
Curriculum Tags: All
https://mathforlove.com/2017/10/overcoming-confirmation-bias-with-the-2-4-6-puzzle/

This is a neat use for PowerPoint developed by @SteveWyborney. The premiss simple: You would like to have an image of some three dimensional shape made of cubes. Now you can take his slideshow template and just click on any one of the cubes and choose delete to remove it from all six images. Or right click on an cube to change its colour. This doesn't work for like a typical PPT. It is meant to give you a printable template but was created with PPT. In fact, each cube or piece of cube is actually made up of an entire cube you can move around. Download the slideshow and try it for yourself.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM2P
http://www.stevewyborney.com/?p=1106


Some fun geometry stuff with Smarties (we call them Rockets in Canada) from @vihartvihart.
Curriculum Tags: Gr7, Gr8
https://www.youtube.com/watch?v=4orZQ9Z0WL4


I was lucky enough to attend @JoBoalar's 2 day workshop at Stanford this week. Lots of great growth mindset stuff and the release of this new video on the problems with labelling a student as gifted.
Curriculum Tags: All
https://www.youcubed.org/rethinking-giftedness-film/
Rethinking Giftedness from YouCubed on Vimeo.

One of the slides I liked in @joboaler's presentation was this one about what to do instead of standard homework
Curriculum Tags: All
https://twitter.com/davidpetro314/status/927591142362927104

Some Noticing and Wondering when I was in San Fransisco
Curriculum Tags: Gr7, Gr8
https://twitter.com/davidpetro314/status/926864874487058437

And some more Noticing and Wondering from San Fransisco
Curriculum Tags: Gr7 Gr8, MPM1D, MFM1P, MFM2P, MPM2D
https://twitter.com/davidpetro314/status/926979022751285248

You can never have too many WODBs. This one on percent and ratios from @BAnderson02
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://banderson02.wordpress.com/2017/10/23/ratio-wodb/

I loved this image from @MarkChubb3 on triangular prisms
Curriculum Tags: Gr7
https://twitter.com/MarkChubb3/status/925000033073815553


Some fun fraction stuff here
Curriculum Tags: Gr7, Gr8
https://twitter.com/ChrisHunter36/status/928071710418468865



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Friday, November 3, 2017

Math LInks for Week Ending Nov. 3rd, 2017

You can always count on @MaryBourassa to be constantly looking for ways to help her students understand concepts that they typically struggle with. And I always appreciate that she does a lot of work in this area for senior classes too. In this case, in grade 12 Advanced Functions dealing with acute and cofunction angles. Here she starts with a simple investigation and then expands from there to look at the visual connections of sine and cosine and beyond.
Curriculum Tags: MHF4U
http://marybourassa.blogspot.com/2017/11/cofunction-angle-identities.html

The folks at Desmos have been working hard on tweaking the stuff that they already have to make it better. In this case, it's three activities: Parabola Slalom, Laser Challenge and Point Collector: Linear. In this case the added feature comes on the last slide where students are tasked to create their own challenges and then (through the magic of Desmos) each student's challenge appears for anyone to try out. Very slick. Check out the full descriptions at the link below.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P, MPM2D, MFM2P, MHF4U
http://blog.desmos.com/post/167025523147/challenge-creator-the-desmos-classroom

A nice little poem about probability from @mathypoems
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U
https://poetrywithmathematics.blogspot.com/2017/11/probability-and-astonishment.html

In this post @MarkChubb3 compares targeted and individualized instruction and looks at the pitfalls of both as well as making some suggestions of things we should be doing. One of which is one of my faves: "Provide challenge for all students". Read on to see more.
Curriculum Tags: All
https://buildingmathematicians.wordpress.com/2017/10/29/targeted-instruction/

Check out the latest post from @Paul_Math where he's been talking about going gradeless. In this post, he talks about the experience of parent teacher interviews.
Curriculum Tags: All
http://mathsoxlearner.blogspot.com/2017/10/the-parent-conference-conversation.html

Some cool stuff from @AnniekPerkins on math and art with these loop drawings she's been doing. Not only does she post the time lapses of the drawings but she goes into some of the math that shows up because of the loops too.
Curriculum Tags: All
https://arbitrarilyclose.com/2017/10/21/knots-links-learning/

The folks at @FiveThirtyEight had an online pole about the most popular candies. They had over 250,000 grudge matches and the results are in about what the most favourite candies are. Check the post out for the full results.
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U
http://fivethirtyeight.com/features/the-ultimate-halloween-candy-power-ranking/

A new TED-Ed video on the origins of mathematical symbols
Curriculum Tags: All
https://www.youtube.com/watch?v=eVm063xmnow
Though the majority of this video is about the ins and outs of carnival game scams, I do appreciate the discussion of the expected value and probability.
Curriculum Tags: MDM4U
https://www.youtube.com/watch?v=tk_ZlWJ3qJI

This is a neat little physics trick that you could use to discuss vectors and forces (and maybe even applications of trig).
Curriculum Tags: MCV4U
https://www.youtube.com/watch?v=oKY-s6IvZkE


My pumpkin was cubic this year
Curriculum Tags: All
https://twitter.com/davidpetro314/status/925185030153961472

But this might be the scariest pumpkin of all. Thanks to @Esping_Math for this one.
Curriculum Tags: MDM4U, MAP4C
https://www.facebook.com/Mathhappiness/photos/a.101142433566320.1073741828.101136273566936/551549905192235/?type=3&theater

Here is a very cool application of distributions in statistics. Read the article for the full detail but the gist is that the average age of the players drafted in the NBA is getting younger and younger.
Curriculum Tags: MDM4U
https://fivethirtyeight.com/features/the-nbas-age-limit-is-broken/

Some data from @FiveThirtyEight for your hockey minded students one why the Las Vegas Golden Nuggets are the best expansion team ever.
Curriculum Tags: All
https://fivethirtyeight.com/features/vegas-is-the-best-expansion-team-in-nhl-history/


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