Oops!

Remember My Dear Aunt Sally? Unless there are 'Parentheses' or 'Exponents', you do Multiplication and/or Division as you come to it from LEFT-TO-RIGHT.

Always begin at the LEFT and work across to the right for EACH level of operations

LEFT right arrow RIGHT

After you complete all the Multiplication and Division, then do the Addition and Subtraction. Again do either operation as you come to it from LEFT-TO-RIGHT.

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Please copy and solve this problem on your paper:

20 - 3 * 2 + 4 =

Click on your answer:
2 10 18 38 102
any other answer



Order of Operations Automatic Flip-Through SLIDE SHOW

Overview of the Order of Operations



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