Archive for May 2012
So you want to be a data scientist?
Posted by: Gary Ernest Davis on: May 6, 2012
Well, listen up. Here are some a well known data scientists: What do you need to know, and know how to do to be a data scientist, and hang with these cool folks? First, you need to be able to hack and scrub data – lots and lots of data, usually messy. Â To do this […]
Why is -3+5=5-3?
Posted by: Gary Ernest Davis on: May 6, 2012
@MrMathsTeacher tweeted (5/6/2012) “Is 5x-3=7 easy, but -3+5x=7 hard due to the way neg numbers have been taught or because of algebra difficulties, or something else?” @ColleenYoung responded:  “I think so many are not really familiar with the fact that say -3+5 is the same as 5-3. #mathchat“ A lot of the difficulty for kids in learning mathematics, is […]
