This post makes a lot of sense, and is something I need to really think about.
6 + 8 x 4 % (4 + 3 – 7) – 3 x 4
Her lesson was on the Order of Operations. You know, “Please Excuse My Dear Aunt Sally.” First you tackle the parentheses, then the exponents. Then you do multiplication and division. Finally, you solve the addition and subtraction. All of it is done left to right, keeping the right order of those operations.
I knew there had to be a rule, because there were too many possible answers to that problem. Tackling it without any instruction required too many brain cells. I couldn’t remember back to my math days for the life of me, and apparently my daughter wasn’t paying attention in class, so we did what we always do when we’re confused:…
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