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NCERT Solutions For Class 6 Maths Chapter 3 Number Play Exercise 3.9 - 2025-26

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Class 6 Maths Chapter 3 Questions and Answers - Free PDF Download

In NCERT Solutions Class 6 Maths Chapter 3 Exercise 3 9, you’ll explore the fun world of number patterns. This part of your Maths book helps you notice, predict, and work with patterns using odd and even numbers, prime and composite numbers, factors and multiples, and divisibility rules. If you’ve found patterns confusing or want to get quicker with numbers, this exercise makes things much easier to understand.

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Our step-by-step Vedantu NCERT Solutions are explained in a very simple way, so you can learn at your own pace and feel confident for your exams. You can also download the free PDF for quick revision and practice, even when you’re offline. Looking for the bigger picture? Check out the full Class 6 Maths syllabus to know what else you’ll be learning this year.


Practising with these NCERT Solutions will build your number sense and problem-solving skills. If you want a handy collection of all solutions from this subject, you can find it here: Class 6 Maths NCERT Solutions.


Access NCERT Solutions for Class 6 Maths Chapter 3 Number Play

Exercise 3.9

1. Find the next three numbers in the sequence: 2, 4, 8, 16, __, __, __.

Answer: 32, 64, 128.
(Rule: Each number is multiplied by 2.)


2. Complete the number pattern: 5, 10, 20, 40, __, __, __. What is the rule governing this sequence?

Answer: 80, 160, 320.
(Rule: Each number is multiplied by 2.)


3. Identify the rule and fill in the blanks: 7, 14, 28, 56, __, __, __.

Answer: 112, 224, 448.
(Rule: Each number is multiplied by 2.)


4. Create your own number pattern using the rule “multiply by 2 and subtract 1,” starting with the number 3. Write the first five terms.

Answer: 3, 5, 9, 17, 33.
(Rule: Multiply by 2, then subtract 1.)


5. Given the sequence: 1, 3, 6, 10, 15, __, __, __. Find the next three numbers and explain the pattern.

Answer: 21, 28, 36.
(Rule: Add consecutive integers: +2, +3, +4, +5, +6, +7.)


6. Find the missing number in the following pattern: 50, 45, 40, __, 30, 25.

Answer: 35.
(Rule: Subtract 5 each time.)


7. Fill in the missing terms for the sequence: 9, 27, __, 243, __. What pattern do you observe?

Answer: 81, 729.
(Rule: Multiply by 3.)  


Benefits of NCERT Solutions for Class 6 Maths Ex 3.9

  • Enhances problem-solving abilities through pattern recognition.

  • Develops an understanding of fundamental mathematical concepts like prime numbers, factors, and multiples.

  • Strengthens arithmetic and number sense, crucial for advanced mathematics.

  • Aids in understanding the practical applications of divisibility rules and number patterns.

  • Encourages logical thinking and reasoning, which are important for competitive exams.

  • Lays the groundwork for understanding more complex mathematical operations and concepts.


Class 6 Maths Chapter 3: Exercises Breakdown

Exercise

Topic

Exercise 3.1

Numbers Can Tell Us Things

Exercise 3.2

Supercells

Exercise 3.3

Patterns of Numbers on the Number Line

Exercise 3.4

Playing with Digits

Exercise 3.5

Pretty Palindromic Patterns

Exercise 3.6

The Magic Number of Kaprekar

Exercise 3.7

Clock and Calendar Numbers

Exercise 3.8

Mental Math

Exercise 3.10

An Unsolved Mystery — the Collatz Conjecture!

Exercise 3.11

Simple Estimation

Exercise 3.12

Games and Winning Strategies



Important Study Material Links for Maths Chapter 3 Class 6

S.No.

Important Study Material Links for Chapter 3

1.

Class 6 Number Play Important Questions

2.

Class 6 Number Play Notes



Conclusion

Chapter 3 Number Play in NCERT Class 6 Maths is an essential building block for students to explore number patterns and operations. Exercise 3.9 in particular, provides ample opportunities to practice number pattern recognition, thereby enhancing their problem-solving skills. This chapter equips students with the foundational knowledge needed for higher-level math. Understanding prime numbers, factors, and divisibility rules becomes effortless with regular practice. Vedantu’s NCERT Solutions help make these concepts clear and easy to grasp, ensuring success in exams and beyond.


Chapter-wise NCERT Solutions Class 6 Maths

After familiarising yourself with the Class 6 Maths  Chapters Question Answers, you can access comprehensive NCERT Solutions from all Class 6 Maths textbook chapters.




Related Important Links for Class 6  Maths 

Along with this, students can also download additional study materials provided by Vedantu for Maths  Class 6-


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FAQs on NCERT Solutions For Class 6 Maths Chapter 3 Number Play Exercise 3.9 - 2025-26

1. What is the focus of NCERT Class 6 Maths, Chapter 3: Number Play?

The chapter focuses on understanding number patterns, prime and composite numbers, factors, multiples, and divisibility rules.

2. What is a prime number as discussed in Chapter 3: Number Play?

A prime number is a number that has only two factors – 1 and the number itself, like 2, 3, 5, etc.

3. What is the difference between a prime and a composite number as per Chapter 3: Number Play?

Prime numbers have only two factors (1 and the number itself), while composite numbers have more than two factors.

4. What are factors and multiples in the context of Chapter 3: Number Play?

A factor divides a number exactly, while a multiple is the product of a number with another number.

5. How do divisibility rules help in solving problems in Chapter 3: Number Play?

Divisibility rules help determine if one number can be divided by another without performing actual division, making calculations quicker and easier.

6. What is the greatest common divisor (GCD) according to Chapter 3: Number Play?

GCD is the largest number that can exactly divide two or more numbers.

7. How does Exercise 3.9 help in identifying number patterns in Chapter 3: Number Play?

Exercise 3.9 provides problems where students recognise, predict, and apply different number patterns.

8. What is a sequence in terms of number patterns in Chapter 3: Number Play?

A sequence is an ordered list of numbers that follow a specific pattern or rule.

9. Why are multiples important in Chapter 3: Number Play?

Multiples help in understanding concepts such as least common multiple (LCM), which is essential in problem-solving.

10. How do Vedantu’s NCERT Solutions help with Chapter 3: Number Play?

Vedantu’s solutions simplify complex concepts, provide clear explanations of number patterns, and offer practice questions to ensure thorough understanding.