1. ©2009 G Dear – Not to be sold/Free to use
Stage 4
Years 7 & 8
Directed
Numbers
Order of Operations
Press Ctrl-A
©2009 G Dear – Not to be sold/Free to use

2. B rackets f D ivision 4/2 Click on any letter. M ultiplication A
Order of Operations B
rackets { } ( ) [ ] f
10% of 12 D
ivision
4/2
Click on any
letter.
Quotient M
ultiplication
Product
MathScape Ex 7.7 A
ddition
Plus
Sum S
ubtraction
Difference
End of
Slide

3. ] ] ] B rackets f D ivision M ultiplication A ddition S ubtraction
Order of Operations B
rackets ]
Left to Right f D
ivision ]
Left to Right M
ultiplication
MathScape Ex 7.7 A
ddition ]
Left to Right S
ubtraction
End of
Slide

4. Order of Operations Right Wrong
Example
4 – 3 x 2
Left to Right
BO DM AS
4 – 3 x 2
 Click Either
4 – 3 x 2
= 1 x 2
= 4 – 6
MathScape Ex 7.7
= 2
= – 2
Right
Wrong
End of
Slide

5. Order of Operations Wrong Right
Example
16 ÷ 4 – 3 x 2
Left to Right
BO DM AS
16 ÷ 4 – 3 x 2
 Click Either
16 ÷ 4 – 3 x 2
= 4 -3 x 2
= 4
– 6
MathScape Ex 7.7
= 1 x2
= – 2
= 2
Wrong
Right
End of
Show