## Friday, October 26, 2018

### Math Links for Week Ending Oct. 26th, 2018

Earlier this year I posted about @Desmos releasing some Two Truths and a Lie activities, Now they have released four more. These are very simple activities in that they each have one slide with a sample 2T&L and then the second slide is a Challenge Creator activity designed to look like the first slide. A challenge creator is when students are given constraints to create their own problem (in this case 2T&L) and once done, that activity will then automatically be shared with the rest of the class. So in the end your students have a student created activity to practice that particular skill. In this case they have released one for conics, lines, parabolas and exponents. You can see all of their other challenge creator activities here.
Curriculum Tags: All
https://teacher.desmos.com/search?q=two+truths
http://blog.desmos.com/post/179220878917/friday-fave-for-october-19

I have been tinkering with creating an activity for dilations but then came upon this one from @finding_EMU that does a great job of introducing and investigating the idea.
Curriculum Tags: Gr7
https://teacher.desmos.com/activitybuilder/custom/5bc94477122fd04342f8b15d

Some walnut crushing linear relations here. Follow the link for the data set of time and number of crushed walnuts. The guy is pretty good at being consistent with his walnut crushing. Check out the data and analyze the files at the link below.
Curriculum Tags: MPM1D, MFM1P, MDM4U, MAP4C

A big lottery this week and here's some good advice.
Curriculum Tags: All

And more lottery humour
Curriculum Tags: All

## Friday, October 19, 2018

### Math Links for Week Ending Oct. 19th, 2018

Even though on this blog I feature math links related to grade 6-12 math, I don't mind pointing out good stuff that comes out of the Ontario Math community, even when it isn't in that realm. So this week @AliceAspinall published a children's book promoting mathematics. Everyone Can Learn Math is out now and is the story of Amy's struggle to get a math assignment done. Spoiler alert: she finds that struggle and hard work are all part of being successful in anything, including math.
Curriculum Tags: All
https://books.friesenpress.com/store/title/119734000072585896/Alice-Aspinall-Everyone-Can-Learn-Math

I have mentioned Delta Math before but they just released 18 new geometric construction activities so if you haven't already got your kids to try Delta Math for practice, this might be the thing that will get you there.
Curriculum Tags: All
https://www.deltamath.com/
Wired Math is a site curated by the University of Waterloo to give enrichment activities for grades 7-10. There are challenges, interactive games and more. A good resource to remind us that sometimes as we try to help the struggling learners, we forget about those who aren't struggling. Thanks to @Robin_Grondin for pointing this one out.
Curriculum Tags: All
http://wiredmath.ca

Some fun stuff here to have students practice computation and order of operations giving answers like palindromic numbers. A fun way to practice computation. Make sure you click on the link to get to the actual paper with all the examples (from the simple to the complex).
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P, MPM2D, MCR3U, MCF3M

I have mentioned before that the NY Times publishes a graph a week where they ask what you Notice and Wonder. In this post, @AliceKeeler provides a structure for students to use a Google Sheet to help document their notice and wonderings.
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U, MAP4C

I saw this Tweet from @DavidButlerUoA on creating patterns with hexagons sized by the Golden ratio and created this Google Drawing so that you could create your own.
Curriculum Tags: Gr7

A great quick video connection between the number line and ratio tables from @mathletepearce
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P

This is not a new concept but the video that @AlexOverwijk posts about falling dominos is followed up with some great shots of student work in the comments to get a sense of the #ThinkingClassroom. Perfect for dealing with exponential functions
Curriculum Tags: MCR3U, MHF4U

A very "mathie" I love math poster
Curriculum Tags: All

## Friday, October 12, 2018

### Math Links for Week Ending Oct. 12th, 2018

At our board, we have been doing a lot of work on getting kids to talk more and re framing teacher questioning. That's why this Tweet from @MrsSasser offers a nice tweak to how you ask your students if they have any questions. You can hear about how this Tweet got over 14 million views on the 10 Minute Teacher podcast from @coolcatteacher. Listen at the link below and check out a lot more math based podcasts at the tab above.
Curriculum Tags: All

A new take on a classic problem from @MrOrr_Geek. Using similar triangles he provides a way for students to become curious about the result and can test that result out physically with a mirror.
Curriculum Tags: MPM2D, MFM2P
https://mrorr-isageek.com/eye-to-eye/

If you are looking for a connection to real life for when you teach combination of functions, then you might want to check out this episode of the podcast The Sum of All Parts about how they figured out what chord was used at the beginning of The Beatles' A Hard Days Night. Spoiler alert, they used Fourier Transforms (combining functions on steroids). And while you are there check out the other episodes from this podcast which is all about numbers. An for more math related podcasts, click on the the tab above.
Curriculum Tags: MHF4U

This is a neat site from @MrBartonMaths called Maths Venns. The idea is that students are given a prompt and some criteria to fill in on a Venn Diagram. There are topics from number sense to functions to data management. You could probably find something for just about any grade level. I could see using this as a prompt on a VNPS. Take a look.
Curriculum Tags: All
https://mathsvenns.com/

A new video to visuals calculating the mean from Math is Visual. Check out all the info at the link below.
Curriculum Tags: Gr7
http://mathisvisual.com/mean/

A logic puzzle from @DonFraser9 connected to the NFL
Curriculum Tags: All

## Friday, October 5, 2018

### Math Links for Week Ending Oct 5th, 2018

Hey kids Global Math Week is happening starting Wednesday (10/10/18). So many ways you can participate. But at the very least, head on over to www.explodingdots.org and get your kids to sign up to do some exploding dot problems. And if you get this soon enough you can see @JoBoalar's live talk on Joyous Math Facts at 1:25 PM PST on Oct 6th to kick of the Global Math Symposium or just watch the promo video from @JamesTanton to get the gist.
Curriculum Tags: All
https://www.globalmathproject.org/

A new 3Act Task from @mathletepearce with a layout that would let you do this in classes from k-9 (depending on the extensions you might use (volume, proportional reasoning etc).
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P

In this latest post from @mathgarden I love that he references one of my favourite courses that I have ever taught. It was a grade 12 course that we had in Ontario called Geometry and Discrete math. I used to call it the "proof" course. It was meant for students going to university and taking things like engineering, physics and math. However, many kids didn't like it because it was hard and it was eventually dropped as a requirement by universities (even though they asked for it to be created). None the less, that is the topic here, that math kids need to experience struggle. The trick is finding the perfect amount for each student.
Curriculum Tags: All

And more info on struggle, that is, the connection between struggle and high achievement from @JoBoaler and the YouCubed crew: " The people that achieved the most, were always pushing at the edge of their understanding"
Curriculum Tags: All
https://www.youcubed.org/resources/the-importance-of-struggle/

After quite a hiatus, the @WSHSmath department has released a new video. And although we no longer include integration in our Ontario Calculus course, this is still pretty good.
Curriculum Tags: MCV4U

Even though it doesn't have to come from @NeilTyson, most of us teachers know this to be true. It's not the stuff that's important but the act of learning that is.
Curriculum Tags: All