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More on Math  EnchantedLearning.com Order of Operations Information and Printable Worksheets 
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One easy way to memorize the order of operations is to use the mnemonic "Please excuse my dear Aunt Sally."
Some examples:
50  2 x 6 {do the multiplication first} = 50  12 = 38 + 1 
(4 + 3) x (5  4) {do the two sets of parentheses first} = 7 x 1 = 7 
40  (16 ÷ 2) x 4 + 1 {do the division first} = 40  8 x 4 + 1 {do the multiplication} = 40  32 + 1 = 9 
11 + 4 x 3^{2}  (6 + 5 x 2) {do the exponent and the multiplication inside the parentheses first} = 11 + 4 x 9  (6+10) {do the multiplication and the addition inside the parentheses} = 11 + 36  (16) = 31 
Worksheets About the Order of Operations:
Order of Operations Worksheets Solve the equations, making sure to use the correct order of operations  no exponents are used in these problems.
Worksheet #1 or go to the answers 
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