Order of Operations
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Transcript of Order of Operations
Order of Order of OperationsOperations( ) +
X-
43
The Order of Operations tells us how to do a math problem with more than
one operation, in the correct order.
Please Excuse My
Dear Aunt Sally
This will help to you to remember the order of operations.
Add +
Subtract -
Multiply x
Divide
Please Excuse My Dear Aunt Sally
PEMDAS
Parentheses ( ) Exponents 43
Please Excuse My Dear Aunt Sally
Parentheses ( )
Always do parentheses
1st.
Please Excuse My Dear Aunt Sally
Exponents 43
Always do Exponents
2nd.
Multiply x
Divide
Please Excuse My Dear Aunt Sally
Do multiplication
and division 3rd, from left to
right.
Add +
Subtract -
Please Excuse My Dear Aunt Sally
Do addition and subtraction 4th,
from left to right.
Let’s Try Let’s Try Some Some Problems!Problems!
PEMDAS3+23 _ (9+1)
3+23-103+8-1011-10
1
PEMDAS3 (9+1)+62
3(10)+62 3(10)+3630+3
6 66
PEMDAS4+5 x (6-2)4+5 x 4
4+2024
PEMDAS4+ 10 x 23 -164+10 x 8 -16
4+ 80 -16
84-1668
PEMDAS
21 + 102 1021+10010
21 + 10 31
PEMDAS10+72-2 x 5 10+49–2 x 5
10+49- 10 59 - 10
49
PEMDAS
64 (9 x 3-19)64(27 –19)
64 8
8
Have fun Have fun doing the doing the Order of Order of Operations! Operations!