1.3 order of operations ( ) + x - 4343 . the order of operations tells us how to do a math problem...
DESCRIPTION
P lease E xcuse M y D ear A unt S ally This will help to you to remember the order of operations.TRANSCRIPT
1.3 1.3 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 SallyPEMDAS
Parentheses ( ) Exponents 43
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Parentheses ( )
Always do parentheses
1st.
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Exponents 43Always do Exponents
2nd.
Multiply x Divide
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Do multiplication
and division 3rd, from left to
right.
Add + Subtract -
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Do addition and subtraction 4th,
from left to right.
LetLet’’s Try s Try Some Some Problems!Problems!
PEMDAS3+23– (9+1)3+23– 10
3+8-1011-101
PEMDAS3 (9+1) + 623(10)+62
3(10)+3630+3
6 66
PEMDAS 4+5 (6-2) 4+5 (4)
4+2024
PEMDAS4+ 10 ( 23 )-164+10(8) -164+ 80 -
1684-1668
PEMDAS 21 + 102 1021+10010
21 + 10 31
PEMDAS10+72-2 (5) 10+49–2(5)
10+49- 10 59 -
1049
PEMDAS64 [9(3)–19]
64(27 –19) 64 8
8