Order of Operations

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What is the order of operations?

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The order of operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The common acronym to remember this is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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CCSS.7.NS.A.3

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What does PEMDAS stand for?

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PEMDAS stands for: P - Parentheses, E - Exponents, MD - Multiplication and Division (from left to right), AS - Addition and Subtraction (from left to right).

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CCSS.6.EE.A.1

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You multiply 2 by 3 first, which equals 6, then add 6 to get 12.

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It depends on which comes first moving left to right. Here, subtract 3 from 5 first, then add 2.

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