Sainik School Notes
AISSEE Mathematics Notes class 6

Operations and Simplification

Sainik School class 6 Maths Operations on Numbers and Simplification Chapter 4 Explain

Are you finding Maths difficult while preparing for the Sainik School entrance exam? There is no need to worry. Sainik School class 6 Maths Operations on Numbers and Simplification becomes easier when you learn simple rules and practise examples.

However, you can make Sainik School preparation easy, by practising with notes, important questions, model papers, and PYQs. In this guide, you will understand basic number operations, the BODMAS rule, and easy simplification methods.

Operations and Simplification PDF

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What Are Operations on Numbers and Simplification?

Sainik School class 6 Maths Operations on Numbers and Simplification covers basic Maths operations. These include addition, subtraction, multiplication, and division. Simplification means solving a Maths expression by following the correct order of operations.

For example:
12 + 4 × 3

First, multiply 4 by 3. Then, add 12.

12 + 12 = 24

Therefore, the correct answer is 24, not 48. This is why learning the right rules is important.

Also Check: Sainik School Admission Eligibility 2027-28 Class 6 and 9 Guide
What Is the BODMAS Rule?
The BODMAS rule helps students solve expressions in the correct order. First, solve the brackets. Next, solve powers or roots. Then, perform division and multiplication from left to right. Finally, complete addition and subtraction from left to right.
The BODMAS stands for:

B – Brackets
O – Orders (powers and roots)
D – Division
M – Multiplication
A – Addition
S – Subtraction

For example:
18 ÷ 3 + 2 × 4

Step 1: 18 ÷ 3 = 6
Step 2: 2 × 4 = 8
Step 3: 6 + 8 = 14

Thus, the answer is 14.

Also Check: Sainik School Class 6 Syllabus 2027 Complete Subject-Wise Syllabus and Exam Pattern
How to Prepare for AISSEE class 6 Operations on Numbers?
To understand AISSEE class 6 Operations on Numbers, follow these easy steps:

Firstly, you should start with understanding the four basic operations.
Then, understand the BODMAS rule, which makes calculation more easy.
Solve regular practice questions with brackets.
Try to solve expressions with fractions and decimals related questions.
Before writing your final answers, check each step carefully.

Also Check: Subject Wise Sainik School Class 6 Notes for Entrance Exam Preparation 2027
Operations on Numbers and Simplification Practice Questions with Answers
To make a strong Sainik School class 6 Maths Operations on Numbers and Simplification chapter solve practice questions. Therefore, try to solve questions of Sainik School class 6 Maths Simplification and Operations on Numbers without taking the help of answer key. Moreover, here are some practice questions of Sainik School class 6 Maths Operations on Numbers and Simplification, which helps to understand the concepts.

Question 1 : Simplify: 30 – [ 12 – { 8 – ( 6 – 4 ) } ]

Answer:

Step 1: Solve the innermost brackets first.
6 – 4 = 2

Step 2: Solve the curly brackets.
8 – 6 = 2

Step 3: Solve the square brackets.
12 – 6 = 6

Step 4: Subtract from 30.
30 – 6 = 24

The final answer is 24.
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Operations and Simplification Study Materials