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Re: Checking simplified algebraic expressions (the -3 test)

by Mensanator <mensanator@[EMAIL PROTECTED] > May 5, 2008 at 10:20 AM

On May 4, 12:58=A0pm, Bob LeChevalier <loj...@[EMAIL PROTECTED]
> wrote:
> Mensanator <mensana...@[EMAIL PROTECTED]
> wrote:
> >> > > So, I want to get your opinion on this test and ask if you can
thin=
k
> >> > > of anything better.
>
> >> > How hard is it to check 0,1,2,3 & -3?
>
> >> Actually pretty hard when they have 25 problems to complete in 50
> >> minutes. Most students only have at most 25% of total test time left
> >> to check problems and then correct them.
>
> >Then maybe the test should have fewer questions.
>
> >Are you running a quiz show or trying to educate?
>
> She(?) is trying to prepare students for a test, probably the state
> NCLB tests, over which she has no control.

Ok, can't argue with that.

>
> >> > That's why they invented paper & pencil. Put your
> >> > calculator aside and try it sometime.- Hide quoted text -
>
> >> These kids are all working on paper, but approaching problems on
paper
> >> in an organized fa****on is a skill that takes years to develope and
> >> changes with each new type of problem it is not trivial.
>
> >Years? Aren't you teaching them how to do that?
>
> She doesn't have years. =A0She has months, and kids who probably aren't
> especially motivated.

I sympathize, I didn't become motivated until high school geometry
when I suddenly got straight A's. That turned my life around. It's
too bad not everyone can have such an experience.

>
> >> > - Show quoted text -
>
> >> I think you are out of touch with what it is like to be a kid trying
> >> to learn new math concepts.
>
> >No argument there. I'm not a teacher and haven't been
> >a student for a long time. But I tinker with math as a
> >hobby,
>
> Therefore you (like I was) are quite atypical.

Although you have to realize the same situation can apply
when you get a job that doesn't involve enquiry about fries.

I don't do math per se at my job. I do database management
for an environment consulting firm. But the same principles apply.
I'm expected to come up with correct answers to database queries
that scientists dream up, regardless of how ridiculous. I have
a reputation for producing good work. And it's not because I
never make a mistake, but because I know how to verify my work
before anyone else gets a chance to see it.

This is particulary im****tant nowadays when you have calculators,
spreadsheets, CAS, etc. that happily spit out answers that are wrong.
The advent of such systems should mean more time should be spent
on verification since there are machines to do the heavy lifting.

But what do I know? I'm not a teacher, I just make a well-paid
career out such stuff.

>
> The kids who need help are the ones who not only don't tinker with
> math as a hobby, but have to be threatened with flunking if they don't
> make more effort on the required stuff.

If only you could bottle motivation.

>
> lojbab
> Bob LeChevalier - artificial linguist; genealogist
> loj...@[EMAIL PROTECTED]
 =A0 Lojban languagewww.lojban.org
 




 31 Posts in Topic:
Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-03 17:57:33 
Re: Checking simplified algebraic expressions (the -3 test)
Mensanator <mensanator  2008-05-03 18:32:10 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-03 23:23:45 
Re: Checking simplified algebraic expressions (the -3 test)
Arturo Magidin <magidi  2008-05-03 23:42:37 
Re: Checking simplified algebraic expressions (the -3 test)
Rupert Swarbrick <rswa  2008-05-04 12:32:57 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-04 00:23:14 
Re: Checking simplified algebraic expressions (the -3 test)
Rupert Swarbrick <rswa  2008-05-04 12:37:58 
Re: Checking simplified algebraic expressions (the -3 test)
magidin@[EMAIL PROTECTED]  2008-05-04 18:14:51 
Re: Checking simplified algebraic expressions (the -3 test)
Mensanator <mensanator  2008-05-04 07:57:54 
Re: Checking simplified algebraic expressions (the -3 test)
Bob LeChevalier <lojba  2008-05-04 13:58:49 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-04 21:24:06 
Re: Checking simplified algebraic expressions (the -3 test)
magidin@[EMAIL PROTECTED]  2008-05-05 14:29:23 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-04 21:34:13 
Re: Checking simplified algebraic expressions (the -3 test)
Pubkeybreaker <pubkeyb  2008-05-05 04:53:02 
Re: Checking simplified algebraic expressions (the -3 test)
Bill Dubuque <wgd@[EMA  2008-05-15 01:17:21 
Re: Checking simplified algebraic expressions (the -3 test)
"Dave L. Renfro"  2008-05-05 08:56:34 
Re: Checking simplified algebraic expressions (the -3 test)
Mensanator <mensanator  2008-05-05 10:20:02 
Re: Checking simplified algebraic expressions (the -3 test)
fflittle@[EMAIL PROTECTED  2008-05-05 10:42:52 
Re: Checking simplified algebraic expressions (the -3 test)
Mensanator <mensanator  2008-05-05 11:06:40 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-06 03:33:17 
Re: Checking simplified algebraic expressions (the -3 test)
magidin@[EMAIL PROTECTED]  2008-05-06 13:49:41 
Re: Checking simplified algebraic expressions (the -3 test)
Rupert Swarbrick <rswa  2008-05-06 16:30:09 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-06 03:47:56 
Re: Checking simplified algebraic expressions (the -3 test)
"michalchik@[EMAIL P  2008-05-09 04:03:22 
Re: Checking simplified algebraic expressions (the -3 test)
Pubkeybreaker <pubkeyb  2008-05-15 05:39:05 
Re: Checking simplified algebraic expressions (the -3 test)
Fatal <fatal@[EMAIL PR  2008-05-15 15:09:25 
Re: Checking simplified algebraic expressions (the -3 test)
Bill Dubuque <wgd@[EMA  2008-05-15 13:44:58 
Re: Checking simplified algebraic expressions (the -3 test)
Pubkeybreaker <pubkeyb  2008-05-15 10:46:16 
Re: Checking simplified algebraic expressions (the -3 test)
Bill Dubuque <wgd@[EMA  2008-05-15 14:49:32 
Re: Checking simplified algebraic expressions (the -3 test)
lwalke3@[EMAIL PROTECTED]  2008-05-15 13:58:05 
Re: Checking simplified algebraic expressions (the -3 test)
Pubkeybreaker <pubkeyb  2008-05-16 05:23:22 

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