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Order of Operations
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A standard way to simplify mathematical expressions and equations.
Order of Operations A standard way to simplify mathematical expressions and equations.
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Purpose Avoids Confusion Gives Consistency For example:
8 + 3 * 4 = 11 * 4 = 44 Or does it equal 8 + 3 * 4 = = 20
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Order of operations are a set of rules
that mathematicians have agreed to follow to avoid mass CONFUSION when simplifying mathematical expressions or equations. Without these simple, but important rules, learning mathematics would be maddening.
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The Rules Simplify within Grouping Symbols
( ), { }, [ ], | | Complete Multiplication and Division from Left to Right Complete Addition and Subtraction from Left to Right
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Back to Our Example For example: 8 + 3 * 4 = 11 * 4 = 44
8 + 3 * 4 = 11 * 4 = 44 Or does it equal 8 + 3 * 4 = = 20 Using order of operations, we do the multiplication first. So what’s our answer? 20
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Summary Key points to remember that will give audience confidence or improve morale
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