order of operations lesson Archives

Order of Operations: 360 or 354?

July 4, 2011 GB High School Algebra, High School Mathematics

Last Saturday, I received Facebook message from a student asking help to simplify $[5(4)^3 + 6(11-4)] - 36 / 9 (2)$ . He got $354$ but his teacher’s answer was $360$ .

Although the problem above seems simple, a lot of students get confused by it, and in this case, even the teacher too. The expression above simplifies to » Read more

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