Friday, May 24, 2013

Math links for Week Ending May 24th, 2013


New twitter feeds I'm following @Whatifnumbers and @WolframFunFacts. What if Numbers is the twitter feed of the blog What if where they take a way out concept and do the physics based on it. The feed is all the numbers that he discovers along the way of creating each post. Some neat stuff. The Wolfram Fun Facts are tweets strictly about interesting searches on Wolfram Alpha. For example check out this one about how many times the characters show up in Antony and Cleopatra.
https://twitter.com/WolframFunFacts
https://twitter.com/whatifnumbers
Curriculum Tags: All


The idea of comment only grading is something that Dylan Wiliam talks about. It is very intriguing as a lot of the research seems to suggest that you get the most gains in student performance from comments
rather than grades. John Schammel does a good job of reminding us of this practice with this blog post.
http://thescamdog.wordpress.com/2013/04/23/comment-only-marking/
Curriculum Tags: All

A tricky combinatorics problem. How many ways can 8 horses cross the finish line if you include ties. The thing that makes this tricky is that ties are included.
One thing I like about this post is the idea of first trying a simpler problem
http://samjshah.com/2013/05/14/an-animal-problem/
Curriculum Tags: MDM4U


Need some multiplication practice for your students. There are many online games out there. Try this one out. I dare you to do so on the Impossible level. Thanks to Mark Esping for this one
http://www.imathgame.com/ChromeMultiplication.php
Curriculum Tags: Gr7, Gr8

Need some big numbers about the fast food industry? Try this video from the YouTube channel The Infographics Show.
http://www.youtube.com/watch?v=tyVFGpg17hw
Curriculum Tags: Gr7, Gr8, MBF3C, MDM4U


You can never have enough infographics. This one actually takes famous movie quotes and turns them into graphics. 
Curriculum Tags: Gr7, Gr8, MDM4U, MBF3C


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