Order of Operations
always use Bodmas :
Brackets
Of (or others)
Divide
Multiply
Add
Subtract
examples
15 + 5 x 4
= 15 + 20
= 35
12 ÷ 3 x 4
= 4 x 4
= 16
15 + 15 ÷ 3
= 15 + 5
= 20
of 8 +
2 x 4
= 2 + 8
= 10
3 + ( 12 ÷ 3) x 4
= 3 + 4 x 4
= 3 + 16
= 19
( 12 ÷ 3) x 4
= 4 x 4
= 16
12 ÷ (3 x 4)
= 12 ÷ 12
= 1