Channel Talk

# Re: [Channel-talknumber] math concepts first

From: <mrherreraa@netscape.net>
Date: Thu Jan 10 2008 - 16:57:50 EST
X-Mailer: AIM WebMail 33706-STANDARD

Hello, I am not a special ed teacher. However, I am a math teacher (7-8). I believe that it is an excellent idea to use the calculators in class (iff they are a two line display). This will assist your students with the observation of the calculations. However, you must place emphasis in the usage of parenthesis after each operation, because some calculators do not follow PEMDAS. Also, do not forget about the difference between the negative sign and the subtraction sign especially if you are teaching integers.

?

Calculators, do work if you control their usage in class. Probably, you might even notice that after a few days, your kids are solving the problems without the aid of the little stupid machines (little stupid machine is the name that I use for calculators in my classroom).

Mr. Herrera

-----Original Message-----
From: Paula Toomey <Paula_Toomey@natick.k12.ma.us>
To: jspinner@verizon.net
Cc: Discussion list for LEARNING MATH: NUMBER AND OPERATIONS <channel-talknumber@learner.org>
Sent: Thu, 10 Jan 2008 9:52 am
Subject: Re: [Channel-talknumber] math concepts first

Hi,
I also teach special ed. I teach in a self-contained setting. ?My advice to my students is to be able to tell me the process they used to get their answer(s). This applies to all my students - whether they are still in the basics and are developing number sense or are beyond the basics. Experience has taught me that even the kids who are still developing number sense or are working their way through the basics actually advance in math beyond the expectations because they are able in one way or another to explain or demonstrate the process they used. ?It's an excellent life skill!

?Also, in this age of high stakes testing, they need to be able to explain the process they used.

Paula

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Received on Fri Jan 11 09:25:37 2008