Ms. Garcia Math
Expression
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Numbers and symbols that represent a mathematical relationship.
Example: (4 + 3) x 2
Order of operations
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Rules that tell what order to follow in evaluating an expression.
Parentheses
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A pair of symbols ( ) used to indicate which operation to perform first
Example: (4 + 3) x 2 = 7 x 2
Arithmetic precedence
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Sequence in which formulas are evaluated
Evaluate
(find its value)
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To find the value of the expression
Example: (4 + 3) x 2 = 7 x 2 = 14
Exponentiation
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The result of exponentiation is product of a number
b
multiplied by itself
n
times.
Multiplication
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The result of a multiplication is a product .
Division
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The result of a division is a quotient or a ratio
Addition
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The result of an addition is a sum .
Subtraction
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The result of a subtraction is a difference .