Multiplication Table 1-12 Worksheet Page 10
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12Order Of Operations
The order of operations is a special rule in mathematics that tells
us what operation we must do first.
Steps:
1: Do operations in Parentheses and other grouping symbols first. If
there
are grouping symbols within other grouping symbols do the
innermost one
first.
2: Then Exponent
3: Then Multiplication or Division from left to right.
4: And then Addition or Subtraction from left to right
A popular Acronym to Help you Remember the order of operations
(
PEMDAS
) Please Excuse My Dear Aunt Sally
(Parenthesis), Exponents, Multiply and Divide, Add and Subtract)
Example: Simplify the expression by using the order of operations.
(8 + 4 + 3)÷ 3 - 2
Do the Parentheses first, then do the division,
then add or subtract from left to right.
(15)÷ 3 - 2
5 - 2 = 3
3
Answer
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