PRE-ALGEBRA, 2008
52

 PAGE: 41 SET: Exercises PROBLEM: 52

Order of Operations:

To simplify the expression follow the order of operations: (PEMDAS)

1.      Evaluate the expressions inside the Parenthesis/Brackets (P).

2.      Evaluate Powers/Exponents (E).

3.      Multiply and/or Divide in order from left to right (MD).

4.      Add and/or Subtract in order from left to right (AS).

A simple technique for remembering the order of operations is turned into

phrase "Please Excuse My Dear Aunty Sally"

The expression is .

According order of operations inside the grouping symbols should be evaluated first.

First operation is multiplying the values inside the parenthesis.

(Multiply: )

Next operation is subtraction.

(Subtract: )

The value of the expression is .

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