## PEMDAS is NOT a Word

Here is why I believe that the PEMDAS method for remembering the order of operations should NOT be used:
1. PEMDAS is not a word. In general, I believe that for mnemonic devices to have the greatest impact, they should be easy to remember words. PEMDAS is not easy to remember and PEMDAS is not even a word.
2. PEMDAS implies to students that there are six steps in the order of operations: Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction, when in fact, there are only four steps in the order of operations. How can we expect students to properly remember the order of operations if we are providing them with such a misleading mnemonic device?
3. PEMDAS should not be used simply because it is the way that students want to be taught. One student told me the other day that he was confused by the way that I was doing the order of operations simply because I...