A fun way to practice the order of operations is the mnemonic device PEMDAS. In mathematics, the basic operations are addition, subtraction, multiplication, division, exponentiation and grouping. These operations are instructions for what to do with sets of numbers in an equation.
Continue ReadingThe order of operations establishes which operations take precedence over others in an equation. The correct order of operations is: parentheses, exponents, multiplication and division, then addition and subtraction. Executing operations in the incorrect order leads to a wrong answer. An easy way to remember the order of operations is the phrase Please Excuse My Dear Aunt Sally, which uses the first letter of each order to create an easy-to-remember tool.
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