handoflixue comments on Proofs, Implications, and Models - Less Wrong

58 Post author: Eliezer_Yudkowsky 30 October 2012 01:02PM

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Comment author: CronoDAS 29 October 2012 07:16:43PM 3 points [-]

I will remark, in some horror and exasperation with the modern educational system, that I do not recall any math-book of my youth ever once explaining that the reason why you are always allowed to add 1 to both sides of an equation is that it is a kind of step which always produces true equations from true equations.

Would the average 9-year old be able to understand such a math book? (For that matter, would the average teacher of 9-year-olds?)

Comment author: handoflixue 30 October 2012 07:34:23PM 7 points [-]

http://www.wired.com/geekdad/2012/06/dragonbox/all/ Well, Dragon Box suggests that a five year old can get at least the basic idea, so I'd deeply hope a 9 year old could grasp it more explicitly.

Comment author: Bobertron 31 October 2012 11:27:25PM 1 point [-]

As I understand the article, the game primarily teaches how the rules can be used to solve for something and secondarily it teaches the rules. It doesn't seem to teach at all why the rules are the way they are. That's actually, IMHO, the biggest issue with the game.

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