Order of operations

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What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The order is: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often abbreviated as PEMDAS.

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What does the term 'parentheses' mean in mathematics?

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Parentheses are symbols used to group numbers and operations together. They indicate that the operations inside them should be performed first.

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43

Front

If Priscilla packs 12 boxes with 10 books each, how can we express the total number of books she has after donating 35 books and receiving 7 books?

Back

The expression is: [(12 \times 10) - 35] + 7.

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How do you calculate the change Kevin receives after spending money?

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The first step is to solve the expression inside the parentheses: (12 - 4) = 8.

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32

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4

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46.