Order of Operations C. N. Colón Algebra I St. Barnabas HS Bronx, NY.

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Order of Operations C. N. Colón Algebra I St. Barnabas HS Bronx, NY

You may already know this as Please Excuse My Dear Aunt Sally P = Parenthesis E = Exponents M = Multiply D = Divide A = Add S = Subtract

There are basically 4 levels. 1. Parenthesis 2. Exponents 3. Multiplication and Division, from left to right. 4. Addition and Subtraction, from left to right. Order of Operations

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Example x Using PEMDAS, multiply (or divide) before you add and subtract Now, just add and subtract, working from left to right Answer

Example (3 x 4) - 13 Parentheses first Now, just add and subtract, working from left to right Answer

Example (4 x 10) The exponent comes next (PEMDAS). Remember, 3 4 is 3 x 3 x 3 x Answer Parentheses first Now, just add and subtract, working from left to right.

ASSIGNMENT p. 43 # 4-30 (e)