From: Claudia <for Teacher2Teacher Service>
To: Teacher2Teacher Public Discussion
Date: 2000072613:32:01
Subject: Re: Order of operations: group activities

There is an excellent software (DOS) program published by IBM several
years ago called the Mathematics Exploration Toolkit. It had "defer"
programs with worksheets that students completed as part of the
package.

The basic idea was to give students a list of numbers and operations,
with the goal of creating an expression using only those numbers and
symbols, with any "grouping" symbols they wanted to reach the goal
number. 

If you don't have access to the software, you can create your own. For

example, using the four numbers 3, 8, 3 and 9, and only the four basic

operations and appropriate grouping, create an expression that will
give a target number of  -7/3 .

     Good luck.

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