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MATHEMATICAL MNEMONICS
I must thank M. Torrens for providing these mathematical mnemonics.
When we do long division do we divide first or is it subtract before we bring down and multiply? Confusing isn't it. Well to remember that the sequence is Divide, Multiply, Subtract, Bring Down, just remember the order of the following family members:
Dad (D=divide)
Mum (M=multiply)
Sister (S=subtract)
Brother (B=bring down)
How would you approach this little problem:
(24 + 36) - (45 x 3) - 1 + 3 x 98
When you have to deal with a combination of addition, subtraction, parenthesis (brackets) etc it is important that you carry out each process in the correct order to get the right answer. The way to remember that you should complete the contents of the Parenthesis first then followed by multiplications, divisions, additions and subtractions is to recall the following sentence:
Pardon My Dear Aunt Sally
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