Order Of Operations
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Order of Operations (Aunt Sally) p.714 By Robert C. Gonzalez CE Instructor, San Antonio College
Background
Order of operations is a world standard.
World peace is possible!
Order of operations is the most important thing you can learn in this class.
It applies to geometry, algebra, and collegiate math and science.
Aunt Sally Please Excuse My Dear Aunt Sally
Parentheses OR top of the division bar
Exponent OR radical
Multiply
Divide
Add
Subtract
Aunt Sally is a reflection of life and nature.
Rain naturally falls in a downward motion.
Solve the problem in a downward motion. Rain never falls upward.
The upper most has the highest priority, so handle high priority first.
What are you going to do first, mow the lawn or extinguish the fire that is on the kitchen curtain?
Steps
Start at “Parenthesis” and work DOWNWARDS to “Add” or “Subtract”. Never work UPWARDS. Once you are done, you should have a problem that is less difficult than the original problem. Go back to “Parenthesis” and start the process over again– like a circuit. Continue this process until you have only ONE number.
Background
Order of operations is a world standard.
World peace is possible!
Order of operations is the most important thing you can learn in this class.
It applies to geometry, algebra, and collegiate math and science.
Aunt Sally Please Excuse My Dear Aunt Sally
Parentheses OR top of the division bar
Exponent OR radical
Multiply
Divide
Add
Subtract
Aunt Sally is a reflection of life and nature.
Rain naturally falls in a downward motion.
Solve the problem in a downward motion. Rain never falls upward.
The upper most has the highest priority, so handle high priority first.
What are you going to do first, mow the lawn or extinguish the fire that is on the kitchen curtain?
Steps
Start at “Parenthesis” and work DOWNWARDS to “Add” or “Subtract”. Never work UPWARDS. Once you are done, you should have a problem that is less difficult than the original problem. Go back to “Parenthesis” and start the process over again– like a circuit. Continue this process until you have only ONE number.
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