What is PEMDAS?
PEMDAS is an mnemonic device used to remind students of the order of operations in the calculation of a mathematical problem.
The initials also o along with phrase used by many students and teachers, Please Excuse My Dear Aunt Sally.
P = Parenthesis (brackets)
E = Exponents
M = Multiply
D = Divide
A = Addition
S = Subtraction
Solve inside Parenthesis, then do Exponents, Multiply and Divide before you Add and Subtract.
A sample problem may look like this.
Following the order of operations
Multiply and Divide now
Solve by Adding and Subtracting