Order of Operations with Exponents & Parentheses

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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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CCSS.7.NS.A.3

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What does 'evaluate' mean in mathematics?

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To evaluate means to calculate the value of an expression by performing the operations according to the Order of Operations.

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CCSS.6.EE.A.2C

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What is an exponent?

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CCSS.6.EE.A.1

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What are parentheses used for in mathematical expressions?

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Parentheses are used to group numbers and operations together, indicating that the operations inside the parentheses should be performed first.

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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CCSS.5.OA.A.2

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The expression does not represent the problem correctly because it does not account for the initial number of people in the restaurant.

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CCSS.6.EE.B.6

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CCSS.5.OA.A.1

CCSS.5.OA.A.2

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Yes, both expressions evaluate to the same value.

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CCSS.3.OA.B.5

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CCSS.7.NS.A.3

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What is the difference between multiplication and division?

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Multiplication is combining equal groups, while division is splitting into equal parts or groups.

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CCSS.3.OA.A.3