Title: Order of Operations
1Order of Operations
43
?
( )
-
X
2The Order of Operations tells us how to do a math
problem with more than one operation, in the
correct order.
3Please Excuse My Dear Aunt Sally
This will help to you to remember the order of
operations.
4Please Excuse My Dear Aunt Sally
P
Parentheses ( )
E
Exponents 43
M D
Multiply x Divide ?
A S
Add Subtract -
5Please Excuse My Dear Aunt Sally
Parentheses ( )
Always do parentheses 1st.
6Please Excuse My Dear Aunt Sally
Exponents 43
Always do Exponents 2nd.
7Please Excuse My Dear Aunt Sally
Multiply x Divide ?
Do multiplication and division 3rd, from left to
right.
8Please Excuse My Dear Aunt Sally
Add Subtract -
Do addition and subtraction 4th, from left to
right.
9- Lets Try Some ? Problems!
10PEMDAS
1072-2 x 5
10492 x 5
1049- 10
59 - 10
49
11PEMDAS
64 ? (9 x 3-19)
64?(27 19)
64 ? 8
8
12PEMDAS
323- (91)
323- 10
38-10
11-10
1
13PEMDAS
3 (91) 62
3(10)62
3(10)36
3036
66
14PEMDAS
45 x (6-2)
45 x 4
420
24
15PEMDAS
4 10 x 23 -16
410 x 8 -16
4 80 -16
84-16
68
16PEMDAS
21 102 ? 10
21100?10
21 10
31
17- Have fun doing the Order of ? Operations!