Order of Operations -5th Grade

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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 order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered by the acronym PEMDAS.

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What does PEMDAS stand for?

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PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. It is the order in which operations should be performed in a mathematical expression.

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The answer is 7.

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Who is correct: Sallie (16 ÷ 2 × 8 = 64) or Brian (16 ÷ 2 × 8 = 1)?

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Sallie is correct.

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The first operation is Subtraction (15 - 2).

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The value is 10.

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The result is 13, because you perform multiplication before addition.

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The result is 21.