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Topic: Proposed changes in how 3-8 and Regents exams are scored (message
for Tzippy)

Replies: 10   Last Post: Oct 24, 2011 1:46 PM

 Messages: [ Previous | Next ]
 Gary Furman Posts: 26 Registered: 10/12/10
Re: Proposed changes in how 3-8 and Regents exams are scored (message for Tzippy)
Posted: Sep 14, 2011 5:20 PM
 att1.html (3.8 K)

A teacher asked me about a problem in one of the math textbooks. Is there some rule that I
am not aware of in the order of operations for multiplication and division from left to right?

Here is the problem:

40 ÷ 5(2)

Does the two in parentheses imply that the multiplication is to be done first or is the
problem done L to R with division first? One calculator had 4 for the answer and

Gary Furman
Assistant Superintendent for Curriculum & Instruction
Ellenville Central School District
845-647-0107

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Date Subject Author
9/13/11 gWilkie@highlands.com
9/13/11 Heidi Bromley
9/14/11 Gary Furman
9/14/11 BAmedro@aol.com
9/14/11 Roberta M. Eisenberg
9/14/11 Putnick@siena.edu
10/23/11 terry goldfischer
10/23/11 terry goldfischer
10/23/11 William McQuay
10/24/11 peter mechalke