## Saturday, January 16, 2016

### Math Links for Week Ending Jan. 15, 2016

"I witnessed more risk-taking from my students, more passion for learning, creativity, and a more active math talk community." - Amy Lin
Curriculum Tags: All

Forget that it's a new way to slice a pizza. Instead consider the very cool tessellation that occurs here. I think it's a really neat way to show that you can do tiling with complex shapes. Thanks to @mathletepearce and Michael Lieff for this one.
Curriculum Tags: Gr7, Gr8
http://gizmodo.com/mathematicians-have-found-crazy-new-ways-to-cut-pizza-i-1751776752

Again, the fun and power of Twitter is shown when @marybourassa tweets about a question dealing with the ambiguous case. Then Twitter responds including @mikeandallie (if you haven't seen his videos on doing math with his kids then you are missing out). He finds a connection to a theorem dealing with angle bisectors. So Fun.
Curriculum Tags: MCR3U
https://mikesmathpage.wordpress.com/2016/01/09/a-fun-connection-with-mary-bourassas-problem/

I love when you can show the power of data in places you might not expect. In this case it's farming. For the average person, the amount of data that is used in current farming practices would be surprising but when I ask my farmer friends about it they say that using data is old news. None the less this is a great snapshot on how data is used in modern farming. "You can taste the algorithms" Listen at the link below
Curriculum Tags: MDM4U
http://fivethirtyeight.com/features/can-you-taste-the-algorithm-in-this-arugula/

I made a quick post on a fun data set for making bar or circle graphs about the types of new Star Wars toys. I think this is a good set to help show why bar graphs are better than circle graphs.
Curriculum Tags: Gr7, Gr8, MDM4U
http://found-data.blogspot.ca/2016/01/where-are-rey-star-wars-toys.html

It is EQAO season and that means that teachers are looking for different ways to have their students practice. A relatively new online service (mentioned here before) called @KnowledgeHook has a big advocate in @mathletepearce. In this recent post he points out their EQAO practice online quiz gameshow. Something worth a look if you are looking for more interactive ways to practice for EQAO.
Curriculum Tags: MPM1D, MFM1P
https://tapintoteenminds.com/9-eqao-math-gameshow-practice/

I have asked myself this question many times. Why on earth are TI-84 graphing calculators so expensive. Read on to find out a possible reason.
Curriculum Tags: All
http://mic.com/articles/125829/your-old-texas-instruments-graphing-calculator-still-costs-a-fortune-heres-why#.YjLq4SBVe

I really like this "Day in the Life" of a teacher of math students with learning disabilities from @crstn85. We all know that teaching is a busy job but trying to accommodate students with LDs makes things that much tougher.
Curriculum Tags: All
http://drawingonmath.blogspot.ca/2016/01/a-day-in-life-teaching-math-to-students.html

This reminded me of Calculus the Musical. Thanks to Michele Cooper for this one.
Curriculum Tags: MCV4U
http://www.teachertube.com/video/calculus-rhapsody-178211

It's always good to be made aware of examples of misleading statistics. And I particularly love those that show this particular paradox with taking averages and percents. And because this is a TED-Ed video it is nice and short and has support material with it.
Curriculum Tags: MDM4U