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What is Order of operations?
Why is Order of operations important in math?
What is Order of operations in arithmetic?
Why do we follow the rules of the Order of operations?
What is the Order of Operations? The order of operations is merely a set of rules that prioritize the sequence of operations starting from the most important to the least important. This rule on how to correctly simplify numerical expressions is also known as the PEMDAS Rule (an acronym for P lease E xcuse M y D ear A unt S ally).
In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ranking of the operations.
Learn the order of operations rule (PEMDAS) to solve expressions with multiple operations. See solved examples, practice problems, and FAQs on order of operations.
Learn the rules and mnemonics for doing calculations in the correct order: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. See examples, practice problems and a calculator.
Learn the rules and examples of how to evaluate expressions using grouping, exponents, multiplication, division, addition and subtraction. See how to apply the order of operations to different types of expressions and practice with exercises.
Learn the rules of order of operations, also known as PEMDAS, with this illustrated guide. See how to perform calculations in parentheses, exponents, multiplication, division, addition and subtraction.
Learn the order of operations rule (PEMDAS) to solve math problems with multiple operations. Watch a video, see examples, and practice with questions and comments.
- 5 min
- Sal Khan