Friday, August 5, 2016

Math Links for Week Ending Aug 5th, 2016

More Desmos cardsorts are coming. This one from @mjfenton is a nice short one that deals with the conceptual idea of what a solution of a system of linear equations is. This shouldn't take students too long but will give you a good idea if anyone doesn't "have it" at the most basic level. I also like the fact that it includes more than just the cardsort.
Curriculum Tags: MPM2D, MFM2P
https://teacher.desmos.com/activitybuilder/custom/5798d64583de446662ea8ddd


A few months ago I featured this report by FiveThirtyEight.com about Sumo wrestling that was pretty rich with data (and kind of interesting). Now @joelbezaire has turned it into a nice little Desmos activity. Perfect for inferencing.
Curriculum Tags: MDM4U
https://teacher.desmos.com/..../57913defe04c12be18128f2c


I love dealing with big numbers. And a billion of anything is one of them. And in this case the billion in question is one billion iPhones. On the @stupidcalc blog they go through the calculations showing that those iPhones could pave a road that was over 1400 miles long. Have your kids try the calculation themselves but take a look at the post for the details.
Curriculum Tags: Gr7, Gr8
http://www.stupidcalculations.com/blog/billion-phones-highway


I like these Open Middle type questions. Here are some dealing from @MrJohnRowe with logarithms. Thanks to @jreulbach for pointing this one out.
Curriculum Tags: MHF4U
https://twitter.com/MrJohnRowe/status/759924724877012992
A couple new @WODBmath. This first one dealing with area and volume.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
https://twitter.com/WODBMath/status/760128778567753728
The other one that has connections to powers of numbers
Curriculum Tags: Gr7, Gr8
https://twitter.com/WODBMath/status/760134061712998400


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