BODMAS - Orchids The International School
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Order Of Operations

BODMAS

BODMAS is a rule which is used to simplify mathematical expressions. It makes complex calculation much easier.

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Each alphabet in BODMAS indicates the steps to simply any mathematical expression.

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BODMAS rules involves the operations addition, multiplication, division, subtraction etc in a particular order.

Example 1:

Simplify the mathematical expression.

(90 – 36) + 338

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Example 2:

Simplify the mathematical expression.

100 ÷ 25 × 4

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So, from the image in any expression,

Step 1:So, 1st we solve the operations written in brackets.

Step 2:Then, we simplify if any ‘of’ is present in the expression.

Step 3: After that, we do the division and then multiplication respectively.

Step 4: At the end we do the addition and then subtraction respectively.

Then we get the final result.

Example 1:

Simplify the expression using BODMAS Rule.

390 – 2 of (46+74) ÷ 30 × 45=?

Answer:

Here we use the BODMAS rule.

The operations that are used in the mathematical expression is

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By BODMAS rule we use the operation as,

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Step 1: 1st we do the work on the bracket.

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Step 2: 2nd we use the operation ‘of’.

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Step 3: 3rd we use the operation ÷.

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Step 4: 4th we use the operation ×

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Step 5: 5th we use the operation −.

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So, the final answer is 30.

When to use the BODMAS rule:

  • In a mathematical expression when more than one operation is present then we use the BODMAS rule.
  • In BODMAS rule, we follow the sequence of certain rules that need to be followed to simplify the expression.
  • This gives a proper structure to produce a unique answer for every mathematical expression.
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