Question

How to do BODMAS

Answer 1

Solution:

BODMAS is a useful acronym that lets you know which order to solve mathematical problems (or sums). It's important that you follow the rules of BODMAS as without it your answers can be wrong.

The BODMAS acronym is for:

• Brackets (parts of a calculation inside brackets always come first).
• Orders (numbers involving powers or square roots).
• Division.
• Multiplication.
• Addition.
• Subtraction.

Brackets

Start with anything inside brackets, going from left to right.

Orders

Do anything involving a power or a square root next (these are also known as orders), again working from left to right if there is more than one.

Division and Multiplication

Once you have done any parts of the sum involving brackets or powers the next step is division and multiplication.

Multiplication and division rank equally, so you go from left to right in the sum, doing each operation in the order in which it appears.

Addition and Subtraction

The final step is to calculate any addition or subtraction. Again, subtraction and addition rank equally, and you simply move from left to right.

Lets take an example to understand it better.

For example :-
84 × 3 - (3 ÷ 3) + 8 × 56 ÷ 7

According to BODMAS rule , in this question we should solve the the bracket first then division, multiplication, addition and then subtraction as;
84 × 3 - 1 + 8 × 56 ÷ 7
84 × 3 - 1 + 8 × 8
252 - 1 + 64
252 - 65
187
(Answer)