Comments on: Thinking questions for rates
http://www.mathcasts.org/janita/?p=194
Second Life & Real Life MathematicsThu, 01 Apr 2010 00:12:02 +0000hourly1http://wordpress.org/?v=3.2.1By: The Math Maker
http://www.mathcasts.org/janita/?p=194&cpage=1#comment-65
The Math MakerMon, 18 May 2009 19:43:43 +0000http://www.mathcasts.org/janita/?p=194#comment-65I like the last two examples which show the relationship between distance, time and speed in different ways. A rather strange thing is that I found that students struggle more with the third form than the second form and yet neither is really more complicated than the other. Perhaps it's the way students are taught the formula, s=ut (s=distance,u=speed), and then have difficulty recognizing its other forms (apart from algebraic difficulty of changing the subject of the equation). Thanks again for the interesting post!I like the last two examples which show the relationship between distance, time and speed in different ways. A rather strange thing is that I found that students struggle more with the third form than the second form and yet neither is really more complicated than the other. Perhaps it’s the way students are taught the formula, s=ut (s=distance,u=speed), and then have difficulty recognizing its other forms (apart from algebraic difficulty of changing the subject of the equation). Thanks again for the interesting post!
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