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