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 acronym PEMDAS helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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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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20

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19

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Compare: 8 + 9 x 3 is (>, <, or =) to (8 + 9) x 3

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23

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Evaluate: 36 - 4 + 12 x 2

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56

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What is the first step in solving an expression using the Order of Operations?

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The first step is to solve any operations inside parentheses.

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What do you do after solving parentheses in an expression?

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After solving parentheses, you evaluate any exponents.

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What is the next step after exponents in the Order of Operations?

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The next step is to perform multiplication and division from left to right.