BODMAS B rackets first 3 x ( 9 – 2 ) = 3 x 7 = 21 M rder or Of 2 x 3² = 2 x 9 = 18 O ivision 12...
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Transcript of BODMAS B rackets first 3 x ( 9 – 2 ) = 3 x 7 = 21 M rder or Of 2 x 3² = 2 x 9 = 18 O ivision 12...
BODMAS
B rackets first 3 x ( 9 – 2 ) = 3 x 7 = 21
M
rder or Of 2 x 3² = 2 x 9 = 18 10812916 4
3 9 ofO
ivision 12 – 8 ÷ 2 = 12 – 4 = 8
D
ultiplication
30 – 4 x 6 = 30 – 24 = 6
A
S
ddition 12 + 3 – 2 = 15 - 2 = 13
ubtraction 23 – 8 – 5 = 15 – 5 = 10
Division or Multiplication …… whichever comes first
Addition or Subtraction …… whichever comes first
20
3 + 4 x 5
3 + 4 x 5
B
O
D
M
A
S
No Order, Of , Other
No Brackets
No Division
Yes
= 3 +
=23
27 12
3 x 9 – 3 x 4
3 3 x 4
B
O
D
M
A
S
No Order, Of , Other
No Brackets
No Division
Yes
=
=15
9 -
-
x
9
12 – 3 + 5
12
- 3 + 5
B
O
D
M
A
S
No Order, Of , Other
No Brackets
No Division
No Multiplication
= 5+
=14
Yes ….. BUT there is a subtraction before thisYes ….. AS whichever comes first from Left to Right
20
10 x 2 ÷ 4
10 x 2 ÷ 4
B
O
D
M
A
S
No Order, Of , Other
No Brackets
Yes but there is a multiplication before this
Do 1st to make sum easier. BODMAS could be BOMDAS
= 4÷
=5
BODMAS Practice
7 + 9 x 8 79
9 x 3 + 6 33
9 + 4 x 2 17
6 x 9 - 34 20
7 + 2 - 6 3
9 x 3 + 9 x 2 45
8 x 4 - 3 x 4
24 ÷ 4 - 5 1
20
BODMAS Answer
BODMAS Questions
10
( 3 + 7 ) x 2
) x 2
B
O
D
M
A
S
Yes
=
=20
+3( 7
x 2
79
( 4 + 5 ) x ( 9 – 2 )
) x
B
O
D
M
A
S
Yes
=
=63
+4( 5 ( 9 - )2
x
8
5 x ( 6 + 4 x 2 ) ÷ 7
+ 4
B
O
D
M
A
S
Work out this sum first
=
(x5 6 x 2 ) 7÷
Multiplication
+(x5 6 ) 7÷
14 8
5 x ( 6 + 4 x 2 ) ÷ 7
+ 4
B
O
D
M
A
S
Use BODMAS with each line
=
(x5 6 x 2 ) 7÷
Add then remove brackets
+(x5 6 ) 7÷
x5 7÷=
214
8
5 x ( 6 + 4 x 2 ) ÷ 7
+ 4
B O D M A S
=
(x5 6 x 2 ) 7÷
+(x5 6 ) 7÷
x5 7÷=
Division and Multiplication are of equal priority
Dividing first will make this sum easier
= x5 = 10
21
2
BODMAS : using of
of1
48 + 3 x 7
B O D M A S
O … of
=+ 3 x 7
=
Multiplication …..
+2 = 23
BODMAS Practice
( 4 + 5 ) x 3
( 7 + 7 ) x 6
5 x ( 6 + 4 )
( 6 - 4 ) x 3
( 7 - 5 ) x 4
( 6 + 2 ) x ( 3 + 5 )
¼ of 12 + 9
¼ of ( 21 - 9 )
BODMAS Answer
BODMAS Questions