Assignment: 03-Order of Operations
There are many different ways to remember the order of operations. One is simply the mnemonic PEMDAS. Parenthesis, Exponents, Multiplication, Division, Adiition, and Subtration. You could also use fun little phrases like Please Excuse My Dear Aunt Sally. Remembering the order is important, but we also need to remember that multiplication and division are on the same level, as well as addition and subtraction. This means we do them at the same time from left to right. This will make a difference in some expressions.
Click this link to view a PEMDAS Music Video made by one of my previous years’ students.
Here is a step by step example showing proper use of order of operations: