Math Links for Week Ending Mar. 31st, 2017

I love this site (that is new to me) called Graph of the Week. Kathy Turner has been showing her kids a graph of the week for years but now has some of her collection on this site for the rest of us. Each graph (or set of graphs) comes with some possible questions for prompts for students. Thanks to Janet Jacques for this one
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U, MAP4C
http://www.turnersgraphoftheweek.com/

This is a common application of Pythagorean Theorem to compare sizes of TVs, but it is always good to see practical applications of math. In this case it's linked specifically to phone screen sizes. Thanks to @MatthewOldridge for pointing this one out.
Curriculum Tags: Gr8, MPM1D, MFM1P, MFM2P
http://www.theverge.com/tldr/2017/3/30/15120824/screen-aspect-ratio-mathematics-galaxy-s8-lg-g6

Many of you may have done Barbie Bungee with your kids. It's so fun. If so you might like to try Barbie Zipline from @jStevens009 Curriculum Tags: MPM1D, MFM1P
http://www.fishing4tech.com/fishin-solo-blog/back-to-school-barbie-zipline-30

If you have seen Hidden Figures then you know that one of the stars of the movie is math. On this post they explore some of the math concepts.
Curriculum Tags: All
https://www.insidescience.org/news/exploring-math-hidden-figures



Need to have your kids practice graphing points? Why not give them this Desmos Marbleslides where they play "golf" by plotting points.
Curriculum Tags: Gr7, Gr8, MPM1D, MFM1P
http://blog.desmos.com/post/158788745322/friday-fave-for-march-24

The first time I heard of Sophie Germain was in the movie Proof. You can read about how she lead the way for female mathematicians here
Curriculum Tags: All
https://www.brainpickings.org/2017/02/22/sophie-germain-gauss/

Another one from @standupmaths with bricks. This time it's that classic physics problem of stacking bricks so that the overhang of the last brick is beyond the first. Though the premiss of this is based on centre of mass, you can do some mathematical modelling with the result. See this Desmos sketch to see how.
Curriclum Tags: MBF3C, MCR3U, MAP4C, MCT4C
https://www.youtube.com/watch?v=rXvaCy8PMdE

Building a thinking classroom is a great idea. And @Wheeler_Laura has some great sketch notes to help you along. I showed some a few weeks ago, they are at this link and more along with a lot of other ways to change over to a thinking classroom.
Curriculum Tags: All
https://mslwheeler.wordpress.com/2017/03/15/building-thinkingclassrooms/

Need a bad graph? Thanks to @Trianglemancsd for pointing out this one
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U
https://christopherdanielson.wordpress.com/2017/03/06/turd-pizza/

I love this picture from @MarkChubb3 for fraction connections. It's visual and the instructions are easy to implement in your class
Curriculum Tags: Gr7, Gr8
https://twitter.com/MarkChubb3/status/846840310462398465

Pick a fraction you see in the image.

Don't tell us where you see it.

Try to figure out someone else's fraction. pic.twitter.com/qDmD20nX6o

— Mark Chubb (@MarkChubb3) March 28, 2017

Here is a neat geometry problem with some Sketchpad interactives from @dpscher. "The five triangles below are all isosceles. The quadrilaterals are all rhombi. The shaded quadrilateral is a square. What is the area of the square?"
Curriculum Tags: Gr7, Gr8
http://www.sineofthetimes.org/a-geometry-challenge-from-japan/

Hand drawn colouring book shows the beauty of the Golden Ratio. See many of them at the link below.
Curriculum Tags: All
http://www.boredpanda.com/architect-reveals-the-secret-of-natures-beautiful-designs-in-a-hand-drawn-coloring-book/