What are the order of operations and how do you use them?

1. S
Order of Operations
PEMDAS

2. What Do You Start With?
S When you are given an equation like this:
7 + (6 × 52 + 3)
What do we try to calculate first?

3. PEMDAS
S The order goes as follows:
S Parenthesis
S Exponents (Powers, Square Roots)
S Multiplication/Division
S Addition/Subtraction
S With multiplication/division, you do it left to right
S With addition/subtraction, you do it left to right

4. What’s the Answer?
S If we have this:
7 + (6 × 52 + 3)
S 7 + (6 × 25 + 3) Start inside Parentheses, and then use Exponents
First
S 7 + (150 + 3) Then Multiply
S 7 + (153) Then Add
S 7 + 153 Parentheses completed, last operation is an Add
S 160 DONE !

5. PEMDAS
S Some sayings to help you remember the order of
operations:
S Please Excuse My Dear Aunt Sally
S Pudgy Elves May Demand A Snack
S Popcorn Every Monday Donuts Always Sunday
S Please Eat Mom's Delicious Apple Strudels
S People Everywhere Made Decisions About Sums
S Be creative and make up your own saying!