Posted by **dry** on Friday, September 9, 2011 at 7:44pm.

Why do we need the order of operations?

What is the order of operations?

- MATH(order of operations help) -
**Ms. Sue**, Friday, September 9, 2011 at 7:53pm
http://www.mathsisfun.com/operation-order-pemdas.html

- MATH(order of operations help) -
**Reiny**, Friday, September 9, 2011 at 7:55pm
many webpages give the reason why, and show how to follow the correct sequence.

Here is one ...

http://www.purplemath.com/modules/orderops.htm

- MATH(order of operations help) -
**alex**, Saturday, September 10, 2011 at 2:32pm
What is the only order of operations that does NOT proceed from the left to the right

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