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 Number Addition Subtraction Multiplication Division Mixed Operation Decimal Fraction Negative Number Percentage Coordinate Time Equation Geometry Word Problems
 (Math Online Home) Math Online Number of Visitors: Site Map # Mixed Operation Online Practice Number Addition Subtraction Multiplication Division Mixed Operation Decimal Fraction Negative Number Percentage Coordinate Time Equation Geometry Word Problems

# Mixed Operation

## Tips for Mixed Operation

There are three rules to be followed when doing mixed operation:

Rule 1: First perform any calculations inside parentheses.
Rule 2: Next perform all multiplications and divisions, working from left to right.
Rule 3: Lastly, perform all additions and subtractions, working from left to right.

Here is an example:

Evaluate 3 + 6 x (5 + 4) ?3 - 7 using the order of operations.

Solution:

Step 1: 3 + 6 x (5 + 4) ?3 - 7 = 3 + 6 x 9 ?3 - 7 Parentheses
Step 2: 3 + 6 x 9 ?3 - 7 = 3 + 54 ?3 - 7 Multiplication
Step 3: 3 + 54 ?3 - 7 = 3 + 18 - 7 Division
Step 4: 3 + 18 - 7 = 21 - 7 Addition
Step 5: 21 - 7 = 14 Subtraction

 Number Addition Subtraction Multiplication Division Mixed Operation Decimal Fraction Negative Number Percentage Coordinate Time Equation Geometry Word Problems
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