Friday, November 8, 2019

Math Links for Week Ending Nov. 8th, 2019

Featured Links
I think that sometimes we think that students shouldn't have too much trouble with dilations since it's just increasing or decreasing in size but I have found that students, in general, have difficulty with proportional reasoning and so dilations can pose a particular problem. In this new @Desmos activity, students get a chance to sink golf balls in holes using the principles of dilations and then end up with some similar triangles
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://twitter.com/Desmos/status/1192859285962645504
Resource Links
Looking for something to do next weekend. How about a free virtual summit from @makemathmoments with over 2 dozen great speakers. It's Saturday & Sunday of next week and you can check out my session on maximizing your online PLN at noon on Saturday.
Curriculum Tags: All
https://makemathmoments.com/summit/

When I first saw this Tweet, I dismissed it as not interesting but I'm not sure why but I was drawn back to it and I was hooked. My strategy was to start with a single fold and see what happens. Definitely great for helping kids with spatial reasoning.
Curriculum Tags: All
https://twitter.com/jamestanton/status/1190626271610339330

I have been doing this blog for over 6 years now (and sharing resources in other forms for many years before that). So I am always happy when I find other people that share resources that they have found. So here, @mathsjem occasionally does posts of math related things that she has found. Take a look.
Curriculum Tags: All
https://www.resourceaholic.com/2019/11/gems117.html
Although in this activity by @TheErikLee he has focused on the idea of translating to and from scale diagrams or blueprints, I think it could be used for any context involving scale diagrams or ratio and rate.
Curriculum Tags: Gr7, Gr8, MAP4C
https://pbbmath.weebly.com/blog/scale-otters



Video Links
Here is a new one of those dynamic bar graphs, this time showing the best selling music artists over time in the last 50 years.
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U
https://www.youtube.com/watch?v=a3w8I8boc_I

Here's a neat combinatorics/probability puzzle that @standupmaths demonstrates with @alexbellos. And one of the things I just found out is that for many of @standupmaths videos, there are teacher resources that can be found here.
Curriculum Tags: MDM4U
https://www.youtube.com/watch?v=a1DUUnhk3uE


Image Links
There is definitely a math problem in this image. What do you see? Thanks to @Stoodle for pointing this one out.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://twitter.com/AMillionScreens/status/1192489050248056832

Another one of these algebra questions that is made easier for struggling students by making it friendlier for students.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://twitter.com/solvemymaths/status/1190916747790102529


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