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Q&A #5103

Teachers' Lounge Discussion: Grading policy

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From: Loyd <loydlin@aol.com>
To: Teacher2Teacher Public Discussion
Date: 2003072809:11:49
Subject: Re: Math Teacher responds

On 2003072720:24:12, Anonymous wrote:
>Hi there Claudia,
>
>I read with interest your method for figuring out grades.
>I got very excited at first thinking you had found a simpler
>way to figure grades.  But, being a math teacher, I had to test
>your method.  If you average the grades first, and then average the
>averages, you get a much different grade than your method. 
>
>Here's an example:
>
>Your method:  60/100  + 17/20  + 8/10  = 85/130  = 65%
>
>My method:      .60   +  .85   + .80   = 2.25/3  = 75%
>
>
>What do you think?
>
>Anonymous
>California
>


I like your method best.  The other method
60/100  + 17/20  + 8/10  = 85/130  = 65%

adds unlike fractions which as one can see, cheated the students in
the case given.  

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