3d. order of operations
16
Order of Operations Order of Operations ( ) + X - 43 Created by Richard Bull
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Transcript of 3d. order of operations
Order of OperationsOrder of Operations
( ) +X
-43
Created by Richard Bull
The Order of Operations tells us how to do a math problem with more than one operation, in the correct order.
BIDMASThis will help to you to remember the order of operations.
Add + Subtract -
Divide Multiply x
BIDMASBIDMAS
Brackets ( ) Indicies 43
BIDMAS
Brackets ( )
Always do brackets
1st.
Please Excuse My Dear Aunt Sally
Indices 43Always do
Indices 2nd.
Divide Multiply x
Please Excuse My Dear Aunt Sally
Do division and multiplication
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+8-1011-101
PEMDAS3 (9+1) + 623(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 -164+ 80 -
1684-1668
PEMDAS 21 + 102 1021+10010
21 + 10
31
PEMDAS10+72-2 x 5 10+49–2 x 5 10+49-
10 59 - 104
9
PEMDAS64 (9 x 3-19)64(27 –19)
64 88
Created by Richard Bull
Created by Richard Bull
