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...

13
BODMAS B rackets first 3 x ( 9 – 2 ) = 3 x 7 = 21 M rder or Of 2 x 3² = 2 x 9 = 18 108 12 9 16 4 3 9 of O ivision 12 – 8 ÷ 2 = 12 – 4 = 8 D ultiplica tion 30 – 4 x 6 = 30 – 24 = 6 A S ddition 12 + 3 – 2 = 15 - 2 = 13 ubtractio n 23 – 8 – 5 = 15 – 5 = 10 Division or Multiplication …… whichever comes first Addition or Subtraction …… whichever comes first

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...

Page 1: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 2: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 3: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 4: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 5: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 6: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 7: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

10

( 3 + 7 ) x 2

) x 2

B

O

D

M

A

S

Yes

=

=20

+3( 7

x 2

Page 8: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

79

( 4 + 5 ) x ( 9 – 2 )

) x

B

O

D

M

A

S

Yes

=

=63

+4( 5 ( 9 - )2

x

Page 9: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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÷

Page 10: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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÷=

Page 11: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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

Page 12: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

21

2

BODMAS : using of

of1

48 + 3 x 7

B O D M A S

O … of

=+ 3 x 7

=

Multiplication …..

+2 = 23

Page 13: 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 – 8 ÷ 2 = 12 – 4 = 8 D ultiplication 30 – 4 x 6 = 30 –

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