6.7A Order of Operations

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What is the Order of Operations?

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A set of rules that determines the correct sequence to evaluate a mathematical expression. The order is 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 is an acronym for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction, which represents the order of operations.

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16

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15

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Multiplication (16 ÷ 2) is performed before subtraction.

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The first operation is Addition (12 + 10) = 22.

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5

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9

Front

What is the purpose of parentheses in an expression?

Back

Parentheses indicate which operations should be performed first in an expression.

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What is an exponent?

Back

An exponent indicates how many times a number (the base) is multiplied by itself.