What are patterns in mathematics?

Patterns are recurring features that can be observed in various aspects of mathematics. They are predictable arrangements that follow specific rules.

Where can I find NCERT Solutions for Class 6 Maths Chapter 1?

Many educational websites offer free NCERT solutions like ALLEN Online.

What are the key features of NCERT Solutions for Class 6 Maths Chapter 1?

Introduction to patterns, identifying and extending patterns, types of patterns and real-world applications are the key features of NCERT Solutions for Class 6 Maths chapter 1.

NCERT Solutions

Class 6

Maths

Chapter 1 Patterns in Mathematics

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NCERT Solutions Class 6 Maths Chapter 1 Patterns in Mathematics

The chapter Patterns in Mathematics introduces students to number and shape patterns. It explores sequences like odd, even, triangular, and square numbers and explains how mathematical patterns help identify relationships and structures. NCERT Solutions for Class 6 Maths Chapter 1: Patterns in Mathematics serve as a beneficial resource for students to deepen their understanding of patterns, improve their problem-solving abilities, and establish a solid foundation in mathematics.

1.0Download NCERT Solutions for Class 6 Maths Chapter 1 Patterns in Mathematics PDF

These NCERT solutions are crafted by expert faculties of ALLEN, and they offer detailed explanations for each problem, making it easier for students to understand the underlying concepts of patterns. The solutions feature a diverse range of practice problems with varying difficulty levels, allowing students to enhance their problem-solving skills.

Students can download the Class 6 Maths NCERT Solutions Chapter 1—Patterns in Mathematics PDF to study offline and practise regularly. The PDF includes detailed solutions to all exercises from the NCERT textbook, prepared by subject experts of ALLEN to ensure conceptual clarity.

2.0Key Concepts of Class 6 Maths Chapter 1: Patterns in Mathematics

This chapter in Class 6 Maths introduces the fundamental concept of patterns and explains how they form the basis of many mathematical ideas. It helps students recognise repetitive sequences, understand relationships between numbers, and observe patterns in shapes and figures. Through these concepts, learners develop logical thinking and problem-solving skills. Some of the key concepts covered in this chapter include:

What is a pattern?

A pattern is a repeated design or sequence. It's a predictable arrangement that follows a specific rule.
Patterns can be found in nature, art, music, and even numbers.

Types of Patterns

Geometric Patterns: These involve shapes and their arrangements. Examples include tessellations, fractals, and symmetrical designs.
Number Patterns: These deal with sequences of numbers that follow specific rules. Examples include arithmetic sequences, geometric sequences, and Fibonacci sequences.

Identifying and Extending Patterns

By observing the elements of a pattern and the relationships between them, you can identify the rule that governs the pattern.
Once you understand the rule, you can extend the pattern to predict future elements.

3.0Exercise-wise NCERT Class 6 Maths Chapter 1: Patterns in Mathematics Solutions

Below, you will find exercise-wise NCERT Solutions for Class 6 Maths Chapter 1, where each question from the chapter is explained step by step for better understanding

Exercise Number	Number of Questions
Class 6 Maths Patterns in Mathematics Exercise 1.1	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.2	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.3	6 questions
Class 6 Maths Patterns in Mathematics Exercise 1.4	10 questions
Class 6 Maths Patterns in Mathematics Exercise 1.5	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.6	5 questions

Exercise 1.1 – What is Mathematics?

This exercise introduces students to the importance of mathematics in daily life and various fields such as science, engineering, and technology. Through discussion-based questions, students explore how mathematics helps in solving practical problems and supporting activities like planning, construction, and research. It helps develop an early understanding of the usefulness of mathematics.

Key Concepts Covered:

Everyday applications of maths
Role of maths in science and engineering
Mathematics in the economy and democracy

Exercise 1.2 – Patterns in Numbers

This exercise focuses on recognising patterns in number sequences, such as counting odd and even numbers, triangular numbers, squares, cubes, and powers. Students learn to identify the rule that generates each sequence. Practising these questions and solutions helps improve logical thinking and builds a strong foundation for understanding mathematical patterns.

Key Concepts Covered:

Recognising number sequences
Writing next three terms
Understanding formation rules
Triangular, square, cube numbers
Powers and recursive sequences

Exercise 1.3 – Visualising Number Sequences

In this exercise, students learn how number sequences can be represented visually using dots and geometric arrangements. Diagrams illustrate patterns such as triangular numbers, square numbers, and cubes. These given resources help students better understand how numbers grow in a sequence and strengthen their ability to interpret mathematical patterns.

Key Concepts Covered:

Pictorial representation of sequences
Triangular vs square vs cube numbers
Hexagonal numbers
Visual reasoning in maths

Exercise 1.4 – Relations Among Number Sequences

Exercise 1.4 explores the relationships between different number sequences. Students learn how adding counting numbers forms triangular numbers and how combining certain sequences produces square numbers. By analysing these connections, students gain a deeper understanding of how different mathematical patterns are related and how sequences can be derived from one another.

Key Concepts Covered:

Square numbers from symmetric addition
Triangular numbers from counting numbers
Consecutive triangular numbers → squares
Hexagonal numbers → cubes
Pattern relationships

Exercise 1.5 – Patterns in Shapes

This exercise focuses on identifying patterns in geometric shapes such as polygons, stacked squares, stacked triangles, and fractal patterns like the Koch snowflake. Students observe how shapes grow or change according to a rule. Understanding these patterns helps students develop spatial reasoning and recognise mathematical structures in shapes.

Key Concepts Covered:

Increasing sides in polygons
Complete graphs (K2, K3, K4…)
Layered square and triangle patterns
Koch snowflake fractal pattern
Rule-based shape growth

Exercise 1.6 - Relation to Number Sequences

This exercise connects geometric patterns with numerical sequences by analysing properties such as sides, edges, and segments in shapes. Students learn how counting these elements leads to sequences like square numbers or triangular numbers. This helps them understand how geometry and number patterns are closely related in mathematics.

Key Concepts Covered:

Counting sides and corners
Complete graph edge pattern
Square number sequence (1,4,9,16…)
Koch snowflake (3,12,48…)
Linking geometry to number sequences

4.0NCERT Questions with Solutions Class 6 Maths Chapter 1 - Detailed Solutions

1.1 What is Mathematics?

Can you think of other examples where mathematics helps us in our everyday lives? Sol. Examples where mathematics helps in everyday life: Personal finance Sports and games Transport and travel
How has mathematics helped propel humanity forward? (You might think of examples involving: carrying out scientific experiments; running our economy and democracy; building bridges, houses or other complex structures; making TVs, mobile phones, computers, bicycles, trains, cars, planes, calendars, clocks, etc.) Sol. Scientific experiments: Find mathematical relationships between the things they were observing. Economy and democracy: To test theories, perform research, or understand trends and predictions for elections, counting votes and economic planning. Building bridges, houses, or complex structures: Engineers use mathematics to ensure structural stability while building bridges or complex structures.

1.2 Patterns in Numbers

Can you recognize the pattern in each of the sequences given below? $1, 1, 1, 1, 1, 1, 1, \dots .$ . $1, 2, 3, 4, 5, 6, 7, \dots .$ . 1, 3, 5, 7, 9, 11, 13, ..... $2, 4, 6, 8, 10, 12, 14, \dots .$ . $1, 3, 6, 10, 15, 21, 28, \dots .$ . $1, 4, 9, 16, 25, 36, 49, ...$ . $1, 8, 27, 64, 125, 216, \dots .$ . $1, 2, 3, 5, 8, 13, 21, \dots .$ . $1, 2, 4, 8, 16, 32, 64, \dots .$ . $1, 3, 9, 27, 81, 243, 729, \dots$ Sol. Examples of number sequences

$1, 1, 1, 1, 1, 1, 1, \dots$	(All 1's)
$1, 2, 3, 4, 5, 6, 7$ ,	(Counting numbers)
$1, 3, 5, 7, 9, 11, 13, \dots$	(Odd numbers)
$2, 4, 6, 8, 10, 12, 14, \dots$	(Even numbers)
$1, 3, 6, 10, 15, 21, 28, \dots$	(Triangular numbers)
$1, 4, 9, 16, 25, 36, 49, \dots$	(Squares)
$1, 8, 27, 64, 125, 216, \dots$	(Cubes)
$1, 2, 3, 5, 8, 13, 21, \dots$	(Virahānka numbers)
$1, 2, 4, 8, 16, 32, 64, \dots$	(Powers of 2)
$1, 3, 9, 27, 81, 243, 729, \dots$	(Powers of 3 )

Rewrite each sequence of table (given below) in your notebook, along with the next three numbers in each sequence! After each sequence, write in your own words what is the rule for forming the numbers in the sequence.

$1, 1, 1, 1, 1, 1, 1, \dots$	(All 1's)
$1, 2, 3, 4, 5, 6, 7$ ,	(Counting numbers)
$1, 3, 5, 7, 9, 11, 13, \dots$	(Odd numbers)
$2, 4, 6, 8, 10, 12, 14, \dots$	(Even numbers)
$1, 3, 6, 10, 15, 21, 28, \dots$	(Triangular numbers)
$1, 4, 9, 16, 25, 36, 49, \dots$	(Squares)
$1, 8, 27, 64, 125, 216, \dots$	(Cubes)
$1, 2, 3, 5, 8, 13, 21, \dots$	(Virahānka numbers)
$1, 2, 4, 8, 16, 32, 64, \dots$	(Powers of 2)
$1, 3, 9, 27, 81, 243, 729, \dots$	(Powers of 3)

Sol. Next three numbers in each sequence: All 1's: 1, 1, 1 In the sequence, Sequence of all 1 's. Counting numbers: $1, 2, 3, 4, 5, 6, 7, 8, 9, 10$ In the sequence, A sequence of consecutive counting numbers starting from 1, adding 1 to the previous term to get the next term, as $1, 1 + 1 = 2, 2 + 1 = 3, 3 + 1 = 4 \dots\dots$ Odd numbers: $1, 3, 5, 7, 9, 11, 13, 15, 17, 19$ In the sequence, A sequence of consecutive odd numbers starting from 1 , adding 2 to the previous term to get the next term, as $1, 1 + 2 = 3, 3 + 2 = 5, 5 + 2 = 7, 7 + 2 = 9 \dots$ Even numbers: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 In the sequence, A sequence of consecutive even numbers starting from 2, adding 2 to the previous term to get the next term, as $2, 2 + 2 = 4, 4 + 2 = 6, 6 + 2 = 8, 8 + 2 = 10 \dots$ Triangular numbers: $1, 3, 6, 10, 15, 21, 28, 36, 45, 55$ In the sequence, each term is the sum of first $n$ consecutive counting numbers, as $1 = 1$ , $1 + 2 = 3, 1 + 2 + 3 = 6, 1 + 2 + 3 + 4 = 10, 1 + 2 + 3 + 4 + 5 = 15, 1 + 2 + 3 + 4 + 5 + 6 = 21$ . Squares: $1, 4, 9, 16, 25, 36, 49, 64, 81, 100$ In the sequence, each term is the product of counting number by itself starting from 1 , as $1 \times 1 = 1, 2 \times 2 = 4, 3 \times 3 = 9, 4 \times 4 = 16, 5 \times 5 = 25 \dots$ Cubes: $1, 8, 27, 64, 125, 216, 343, 512, 729$ In the sequence, each term is the product of counting number by itself thrice starting from 1 , as $1 \times 1 \times 1 = 1, 2 \times 2 \times 2 = 8, 3 \times 3 \times 3 = 27, 4 \times 4 \times 4 = 64, 5 \times 5 \times 5 = 125$ , $6 \times 6 \times 6 = 216 \dots$ . Virahānka numbers : $1, 2, 3, 5, 8, 13, 21, 34, 55, 89$ In the sequence, each term (starting from third term) is the sum of previous two terms. Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 In the sequence, next term is the double of previous term, as $1, 1 \times 2 = 2, 2 \times 2 = 4$ , $4 \times 2 = 8, 8 \times 2 = 16, 16 \times 2 = 32$ Powers of 3: $1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683$ In the sequence, next term is the thrice of previous term, as $1, 1 \times 3 = 3, 3 \times 3 = 9, 9 \times 3 = 27$ , $27 \times 3 = 81, 81 \times 3 = 243, 243 \times 3 = 729$ .

1.3 VISUALISING NUMBER SEQUENCES

Copy the pictorial representations of the number sequences in the table (given below) in your notebook, and draw the next picture for each sequence.

Pictorial Representation of Number Sequence

Sol.

Pictorial Representation of Number Sequence Answer

Why are $1, 3, 6, 10, 15$ , called triangular numbers? Why are $1, 4, 9, 16, 25, \dots$ called square numbers or squares? Why are $1, 8, 27, 64, 125$ called cubes? Sol. Triangular numbers: Each term is the sum of first $n$ consecutive counting numbers, $(1, 3, 6, 10, 15 \dots)$ . These numbers can form equilateral triangles when arranged in dots. $1, 4, 9, 16$ are square numbers called so because they can form geometrical shape squares when arranged in dots. Cubes ( $1, 8, 27, 64..$ . $) a rec a ll e d c u b es b ec a u se t h ey f or m t h e g eo m e t r i c a l s ha p ec u b e$ (shape having same length, breadth and height) when these number of unit cubes are arranged in a particular way.
You will have noticed that 36 is both a triangular number and a square number! That is, 36 dots can be arranged perfectly both in a triangle and in a square. Make pictures in your notebook illustrating this! This shows that the same number can be represented differently, and play different roles, depending on the context. Try representing some other numbers pictorially in different ways! Sol.

Some other same numbers that can be represented differently and play different roles that is 1225 . ( $35 \times 35$ ). As it is both triangular as well as square number.
What would you call the following sequence of numbers?

That's right, they are called hexagonal numbers, Draw these in your notebook. What is the next number in the sequence? Sol.

1st number $= 1$ $2^{nd}$ number $= 1 + 6 = 7$ ( $2^{nd}$ number $= 1^{st}$ number $+ 6 \times 1$ ) $3^{rd}$ number $= 7 + 12 = 19$ ( $3^{rd}$ number $= 2^{nd}$ number $+ 6 \times 2$ ) $4^{th}$ number $= 19 + 18 = 37$ ( $4^{th}$ number $= 3^{rd}$ number $+ 6 \times 3$ ) $5^{th}$ number $= 37 + 24 = 61$ ( $5^{th}$ number $= 4^{th}$ number $+ 6 \times 4$ ) Hence, the next number in the sequence is 61 .
Can you think of pictorial ways to visualise the sequence of Powers of 2? Powers of 3? Here is one possible way of thinking about Powers of 2:

Sol.

1.4 RELATIONS AMONG NUMBER SEQUENCES

Can you find a similar pictorial explanation for why adding counting numbers up and down, i.e., $1, 1 + 2 + 1, 1 + 2 + 3 + 2 + 1, \dots$ , gives square numbers? Sol. When you add counting numbers up and down, like $1, 1 + 2 + 1, 1 + 2 + 3 + 2 + 1$ etc., you are essentially forming symmetrical shapes that resemble squares. For example:

(1 square dot) $1 + 2 + 1 = 4$ (forms a $2 \times 2$ square) $1 + 2 + 3 + 2 + 1 = 9$ (forms a $3 \times 3$ square) Each time, the numbers symmetrically increase and then decrease, giving a perfect square pattern.
By imagining a large version of your picture, or drawing it partially, as needed, can you see what will be the value of $1 + 2 + 3 + \dots + 99 + 100 + 99 + \dots + 3 + 2 + 1$ ? Sol. 1=1 $1 + 2 + 1 = 4$ $1 + 2 + 3 + 2 + 1 = 9$ $1 + 2 + 3 + 4 + 3 + 2 + 1 = 16$ $1 + 2 + 3 + 4 + 5 + 4 + 3 + 2 + 1 = 25$ $1 + 2 + 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1 = 36$ $1 + 2 + 3 + \dots . + 99 + 100 + 99 + \dots + 3 + 2 + 1 = 10000$
Which sequence do you get when you start to add the All 1's sequence up? What sequence do you get when you add the All 1's sequence up and down? Sol. When we add all 1's sequence up we get the counting numbers, as $1 = 1$ , $1 + 1 = 2$ , $1 + 1 + 1 = 3$ , $1 + 1 + 1 + 1 = 4$ , When we add all 1's sequence up and down, we get counting numbers depend upon number of times 1 occurs.

Which sequence do you get when you start to add the Counting numbers up? Can you give a smaller pictorial explanation? Sol. If you add the counting numbers ( $1, 2, 3, 4, \dots$ ), you get triangular numbers: $1 = 1$ $1 + 2 = 3$ $1 + 2 + 3 = 6$ $1 + 2 + 3 + 4 = 10$ This forms the triangular number sequence. Pictorial representation:

What happens when you add up pairs of consecutive triangular numbers? That is, take $1 + 3, 3 + 6, 6 + 10, 10 + 15 \dots$ ? Which sequence do you get? Why? Can you explain it with a picture? Sol.
When we add up pairs of consecutive triangular numbers i.e, $1 + 3, 3 + 6, 6 + 10, 10 + 15$ we get square number sequence i.e., $1 + 3 = 4 = 2 \times 2$ $3 + 6 = 9 = 3 \times 3$ $6 + 10 = 16 = 4 \times 4 \dots\dots$ .
What happens when you start to add up powers of 2 starting with 1 , i.e., take $1, 1 + 2, 1 + 2 + 4$ , $1 + 2 + 4 + 8, \dots$ . Now add 1 to each of these numbers -what numbers do you get? Why does this happen? Sol. When we start to add powers of 2: 1 $1 + 2 = 3$ $1 + 2 + 4 = 7$ $1 + 2 + 4 + 8 = 15$ When we add 1 to each of these numbers: $1 + 1 = 2$ $3 + 1 = 4$ $7 + 1 = 8$ $15 + 1 = 16$ We get a number sequence of powers of 2 again: $2, 4, 8, 16, \dots$
What happens when you multiply the triangular numbers by 6 and add 1 ? Which sequence do you get? Can you explain it with a picture? Sol. Multiplying the triangular numbers by 6 and adding 1 gives: $1 \times 6 + 1 = 7$ $3 \times 6 + 1 = 19$ $6 \times 6 + 1 = 37$ $10 \times 6 + 1 = 61$ This forms the hexagonal number sequence: $7, 19, 37, 61$ ... Pictorial representation:

What happens when you start to add up hexagonal numbers, i.e., take $1, 1 + 7, 1 + 7 + 19$ , $1 + 7 + 19 + 37, \dots$ . Which sequence do you get? Can you explain it using a picture of a cube?

Picture of Hexagonal Numbers Using a Pictures of a Cube

Sol. When we start to add up hexagonal numbers, $1 = 1 \times 1 \times 1 = 1^{3}$ $1 + 7 = 8 = 2 \times 2 \times 2 = 2^{3}$ $1 + 7 + 19 = 27 = 3 \times 3 \times 3 = 3^{3}$ $1 + 7 + 19 + 37 = 64 = 4 \times 4 \times 4 = 4^{3}$ We get the cube of consecutive numbers. i.e., $1^{3}, 2^{3}, 3^{3}, 4^{3}$ ,

Find your patterns or relations in and among the sequences in Table 1. Can you explain why they happen with a picture or otherwise? Sol. 3, 6, 9, 12, 15, 18......... (consecutive multiples of 3 ). $10, 15, 20, 25$ ......... (first number is 10 . Then increase of 5 in each term)

1.5 PATTERNS IN SHAPES

Can you recognize the pattern in each of the sequences in the table given below?

Recognising the Pattern in each Sequence

Sol. Regular Polygons: Triangle, quadrilateral, pentagon, hexagon, heptagon, etc. Pattern: The number of sides increases by 1 each time, forming a polygon with an additional side. Complete Graphs: K2, K3, K4, K5, etc. Pattern: The number of vertices increases by 1, and the lines connecting every vertex form a complete graph. The number of edges increases accordingly. Stacked Squares: Squares are stacked upon each other, with additional layers of smaller squares. Pattern: More squares are added as layers, increasing the total number of smaller squares. Stacked Triangles: Triangles stacked upon each other, increasing the number of small triangles in the structure. Pattern: As new layers are added, the number of smaller triangles increases. Koch Snowflake : As fractal pattern where each line segment is replaced by smaller "bumps" in the shape of an equilateral triangle. Pattern: Each iteration adds more bumps along the edges, increasing the complexity and the number of line segments.
Try and redraw each sequence in the table given in question 1, in your notebook. Can you draw the next shape in each sequence? Why or why not? After each sequence, describe in your own words what is the rule or pattern for forming the shapes in the sequence. Sol. Regular Polygon: The next shape after the Decagon (10 sides) is the Hendecagon (11 sides). Rule: Increase the number of sides by 1

Complete graphs: After K6 (6 vertices), the next complete graph is K7 Rule: Add one more vertex and connect every vertex to all others,

Stacked Squares: The next shape will have an additional layer of squares stacked below or around the existing structure Rule: Add another layer with additional small squares, expanding the structure.

Stacked Triangles: The next shape will have one more layer of triangles at the base, increasing the total number of triangles. Rule: Add another row of triangles to form a larger slacked structure.

Koch Snowflake: The next shape will have more intricate and smaller triangular "bumps" added to each side of the snowflake. Rule: Each line segment is replaced with 4 smaller segments (one segment for the bump), increasing the total number of segments exponentially.

1.6 RELATION TO NUMBER SEQUENCES

Count the number of sides in each shape in the sequence of Regular Polygons. Which number sequence do you get? What about the number of corners in each shape in the sequence of Regular Polygons? Do you get the same number sequence? Can you explain why this happens? Sol. Sides and Corners Sequence: The number of sides and corners in each shape of the regular polygon sequence increases by 1 . Triangle: 3 sides, 3 corners Quadrilateral: 4 sides, 4 corners Pentagon: 5 sides, 5 corners Hexagon: 6 sides, 6 corners Heptagon: 7 sides, 7 corners Number Sequence: 3, 4, 5, 6, 7... The number of sides and corners is the same because each corner corresponds to a side in regular polygons.
Count the number of lines in each shape in the sequence of Complete Graphs. Which number sequence do you get? Can you explain why? Sol. Number of Lines in Complete Graphs Sequence : The number of lines in a complete graph $(Kn)$ increases based on how many vertices are connected. K2: 1 line K3: 3 lines K4: 6 lines K5: 10 lines
How many little squares are there in each shape of the sequence of Stacked Squares? Which number sequence does this give? Can you explain why? Sol. Number of Squares Sequence : As squares are stacked, the number of little squares increases: $1^{st}$ shape: 1 square $2^{nd}$ shape: 4 squares $3^{rd}$ shape: 9 squares $4^{th}$ shape: 16 squares Number Sequence: 1, 4, 9, 16... The number of squares follows the sequence of square numbers, as each shape forms a perfect square grid.
How many little triangles are there in each shape of the sequence of Stacked Triangles? Which number sequence does this give? Can you explain why? (Hint: In each shape in the sequence, how many triangles are there in each row?) Sol. Number of little triangles sequence of Stacked Triangles $= 1, 4, 9, 16, 25$
To get from one shape to the next shape in the Koch Snowflake sequence, one replaces each line segment '-'by a 'speed bump'. As one does this more and more times, the changes become tinier and tinier with very very small line segments. How many total line segments are there in each shape of the Koch Snowflake? What is the corresponding number sequence? (The answer is $3, 12, 48$ , ..., i.e. 3 times Powers of 4). Sol. Koch Snowflake Line Segments Sequence: $1^{st}$ shape: 3 line segments $2^{nd}$ shape: 12 line segments $3^{rd}$ shape: 48 line segments Number Sequence: 3, 12, 48, ... The number of line segments increases by multiplying the previous number by 4 , forming a sequence of 3 times powers of 4.

5.0Key Features of Class 6 Maths Solutions for Chapter 1: Patterns in Mathematics

Introduction to Patterns: The chapter begins by defining what patterns are and how they are prevalent in various aspects of our lives, including mathematics, art, and nature.
Types of Patterns: It explores different types of patterns, such as geometric and Number Patterns.
Identifying and Extending Patterns: Students learn how to observe patterns, identify the rules that govern them, and use these rules to predict future elements in the sequence.
Real-World Applications: The chapter highlights how patterns are used in various real-world contexts, such as:

Art and Design: Creating decorative patterns, mosaics, and other artistic expressions.
Architecture: Designing buildings with repeating patterns and symmetrical structures.
Nature: Observing patterns in natural phenomena like seashells, snowflakes, and plant growth.

Frequently Asked Questions

Join ALLEN!

(Session 2026 - 27)

Name

Mobile Number

Class

Choose class

Goal

Choose your goal

Preferred Programs

Preferred Mode

State

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I agree to

I authorise ALLEN Career Institute Pvt Ltd to send me regular updates via Phone calls, Whatsapp, SMS, Robocalls (Automated Calls), Emails, or on postal address.

NCERT Solutions Class 6 Maths Chapter 1 Patterns in Mathematics

The chapter Patterns in Mathematics introduces students to number and shape patterns. It explores sequences like odd, even, triangular, and square numbers and explains how mathematical patterns help identify relationships and structures. NCERT Solutions for Class 6 Maths Chapter 1: Patterns in Mathematics serve as a beneficial resource for students to deepen their understanding of patterns, improve their problem-solving abilities, and establish a solid foundation in mathematics.

1.0Download NCERT Solutions for Class 6 Maths Chapter 1 Patterns in Mathematics PDF

These NCERT solutions are crafted by expert faculties of ALLEN, and they offer detailed explanations for each problem, making it easier for students to understand the underlying concepts of patterns. The solutions feature a diverse range of practice problems with varying difficulty levels, allowing students to enhance their problem-solving skills.

Students can download the Class 6 Maths NCERT Solutions Chapter 1—Patterns in Mathematics PDF to study offline and practise regularly. The PDF includes detailed solutions to all exercises from the NCERT textbook, prepared by subject experts of ALLEN to ensure conceptual clarity.

2.0Key Concepts of Class 6 Maths Chapter 1: Patterns in Mathematics

This chapter in Class 6 Maths introduces the fundamental concept of patterns and explains how they form the basis of many mathematical ideas. It helps students recognise repetitive sequences, understand relationships between numbers, and observe patterns in shapes and figures. Through these concepts, learners develop logical thinking and problem-solving skills. Some of the key concepts covered in this chapter include:

What is a pattern?

A pattern is a repeated design or sequence. It's a predictable arrangement that follows a specific rule.
Patterns can be found in nature, art, music, and even numbers.

Types of Patterns

Geometric Patterns: These involve shapes and their arrangements. Examples include tessellations, fractals, and symmetrical designs.
Number Patterns: These deal with sequences of numbers that follow specific rules. Examples include arithmetic sequences, geometric sequences, and Fibonacci sequences.

Identifying and Extending Patterns

By observing the elements of a pattern and the relationships between them, you can identify the rule that governs the pattern.
Once you understand the rule, you can extend the pattern to predict future elements.

3.0Exercise-wise NCERT Class 6 Maths Chapter 1: Patterns in Mathematics Solutions

Below, you will find exercise-wise NCERT Solutions for Class 6 Maths Chapter 1, where each question from the chapter is explained step by step for better understanding

Exercise Number	Number of Questions
Class 6 Maths Patterns in Mathematics Exercise 1.1	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.2	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.3	6 questions
Class 6 Maths Patterns in Mathematics Exercise 1.4	10 questions
Class 6 Maths Patterns in Mathematics Exercise 1.5	2 questions
Class 6 Maths Patterns in Mathematics Exercise 1.6	5 questions

Exercise 1.1 – What is Mathematics?

This exercise introduces students to the importance of mathematics in daily life and various fields such as science, engineering, and technology. Through discussion-based questions, students explore how mathematics helps in solving practical problems and supporting activities like planning, construction, and research. It helps develop an early understanding of the usefulness of mathematics.

Key Concepts Covered:

Everyday applications of maths
Role of maths in science and engineering
Mathematics in the economy and democracy

Exercise 1.2 – Patterns in Numbers

This exercise focuses on recognising patterns in number sequences, such as counting odd and even numbers, triangular numbers, squares, cubes, and powers. Students learn to identify the rule that generates each sequence. Practising these questions and solutions helps improve logical thinking and builds a strong foundation for understanding mathematical patterns.

Key Concepts Covered:

Recognising number sequences
Writing next three terms
Understanding formation rules
Triangular, square, cube numbers
Powers and recursive sequences

Exercise 1.3 – Visualising Number Sequences

In this exercise, students learn how number sequences can be represented visually using dots and geometric arrangements. Diagrams illustrate patterns such as triangular numbers, square numbers, and cubes. These given resources help students better understand how numbers grow in a sequence and strengthen their ability to interpret mathematical patterns.

Key Concepts Covered:

Pictorial representation of sequences
Triangular vs square vs cube numbers
Hexagonal numbers
Visual reasoning in maths

Exercise 1.4 – Relations Among Number Sequences

Exercise 1.4 explores the relationships between different number sequences. Students learn how adding counting numbers forms triangular numbers and how combining certain sequences produces square numbers. By analysing these connections, students gain a deeper understanding of how different mathematical patterns are related and how sequences can be derived from one another.

Key Concepts Covered:

Square numbers from symmetric addition
Triangular numbers from counting numbers
Consecutive triangular numbers → squares
Hexagonal numbers → cubes
Pattern relationships

Exercise 1.5 – Patterns in Shapes

This exercise focuses on identifying patterns in geometric shapes such as polygons, stacked squares, stacked triangles, and fractal patterns like the Koch snowflake. Students observe how shapes grow or change according to a rule. Understanding these patterns helps students develop spatial reasoning and recognise mathematical structures in shapes.

Key Concepts Covered:

Increasing sides in polygons
Complete graphs (K2, K3, K4…)
Layered square and triangle patterns
Koch snowflake fractal pattern
Rule-based shape growth

Exercise 1.6 - Relation to Number Sequences

This exercise connects geometric patterns with numerical sequences by analysing properties such as sides, edges, and segments in shapes. Students learn how counting these elements leads to sequences like square numbers or triangular numbers. This helps them understand how geometry and number patterns are closely related in mathematics.

Key Concepts Covered:

Counting sides and corners
Complete graph edge pattern
Square number sequence (1,4,9,16…)
Koch snowflake (3,12,48…)
Linking geometry to number sequences

4.0NCERT Questions with Solutions Class 6 Maths Chapter 1 - Detailed Solutions

1.1 What is Mathematics?

Can you think of other examples where mathematics helps us in our everyday lives? Sol. Examples where mathematics helps in everyday life: Personal finance Sports and games Transport and travel
How has mathematics helped propel humanity forward? (You might think of examples involving: carrying out scientific experiments; running our economy and democracy; building bridges, houses or other complex structures; making TVs, mobile phones, computers, bicycles, trains, cars, planes, calendars, clocks, etc.) Sol. Scientific experiments: Find mathematical relationships between the things they were observing. Economy and democracy: To test theories, perform research, or understand trends and predictions for elections, counting votes and economic planning. Building bridges, houses, or complex structures: Engineers use mathematics to ensure structural stability while building bridges or complex structures.

1.2 Patterns in Numbers

Can you recognize the pattern in each of the sequences given below? $1, 1, 1, 1, 1, 1, 1, \dots .$ . $1, 2, 3, 4, 5, 6, 7, \dots .$ . 1, 3, 5, 7, 9, 11, 13, ..... $2, 4, 6, 8, 10, 12, 14, \dots .$ . $1, 3, 6, 10, 15, 21, 28, \dots .$ . $1, 4, 9, 16, 25, 36, 49, ...$ . $1, 8, 27, 64, 125, 216, \dots .$ . $1, 2, 3, 5, 8, 13, 21, \dots .$ . $1, 2, 4, 8, 16, 32, 64, \dots .$ . $1, 3, 9, 27, 81, 243, 729, \dots$ Sol. Examples of number sequences

$1, 1, 1, 1, 1, 1, 1, \dots$	(All 1's)
$1, 2, 3, 4, 5, 6, 7$ ,	(Counting numbers)
$1, 3, 5, 7, 9, 11, 13, \dots$	(Odd numbers)
$2, 4, 6, 8, 10, 12, 14, \dots$	(Even numbers)
$1, 3, 6, 10, 15, 21, 28, \dots$	(Triangular numbers)
$1, 4, 9, 16, 25, 36, 49, \dots$	(Squares)
$1, 8, 27, 64, 125, 216, \dots$	(Cubes)
$1, 2, 3, 5, 8, 13, 21, \dots$	(Virahānka numbers)
$1, 2, 4, 8, 16, 32, 64, \dots$	(Powers of 2)
$1, 3, 9, 27, 81, 243, 729, \dots$	(Powers of 3 )

Rewrite each sequence of table (given below) in your notebook, along with the next three numbers in each sequence! After each sequence, write in your own words what is the rule for forming the numbers in the sequence.

$1, 1, 1, 1, 1, 1, 1, \dots$	(All 1's)
$1, 2, 3, 4, 5, 6, 7$ ,	(Counting numbers)
$1, 3, 5, 7, 9, 11, 13, \dots$	(Odd numbers)
$2, 4, 6, 8, 10, 12, 14, \dots$	(Even numbers)
$1, 3, 6, 10, 15, 21, 28, \dots$	(Triangular numbers)
$1, 4, 9, 16, 25, 36, 49, \dots$	(Squares)
$1, 8, 27, 64, 125, 216, \dots$	(Cubes)
$1, 2, 3, 5, 8, 13, 21, \dots$	(Virahānka numbers)
$1, 2, 4, 8, 16, 32, 64, \dots$	(Powers of 2)
$1, 3, 9, 27, 81, 243, 729, \dots$	(Powers of 3)

Sol. Next three numbers in each sequence: All 1's: 1, 1, 1 In the sequence, Sequence of all 1 's. Counting numbers: $1, 2, 3, 4, 5, 6, 7, 8, 9, 10$ In the sequence, A sequence of consecutive counting numbers starting from 1, adding 1 to the previous term to get the next term, as $1, 1 + 1 = 2, 2 + 1 = 3, 3 + 1 = 4 \dots\dots$ Odd numbers: $1, 3, 5, 7, 9, 11, 13, 15, 17, 19$ In the sequence, A sequence of consecutive odd numbers starting from 1 , adding 2 to the previous term to get the next term, as $1, 1 + 2 = 3, 3 + 2 = 5, 5 + 2 = 7, 7 + 2 = 9 \dots$ Even numbers: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 In the sequence, A sequence of consecutive even numbers starting from 2, adding 2 to the previous term to get the next term, as $2, 2 + 2 = 4, 4 + 2 = 6, 6 + 2 = 8, 8 + 2 = 10 \dots$ Triangular numbers: $1, 3, 6, 10, 15, 21, 28, 36, 45, 55$ In the sequence, each term is the sum of first $n$ consecutive counting numbers, as $1 = 1$ , $1 + 2 = 3, 1 + 2 + 3 = 6, 1 + 2 + 3 + 4 = 10, 1 + 2 + 3 + 4 + 5 = 15, 1 + 2 + 3 + 4 + 5 + 6 = 21$ . Squares: $1, 4, 9, 16, 25, 36, 49, 64, 81, 100$ In the sequence, each term is the product of counting number by itself starting from 1 , as $1 \times 1 = 1, 2 \times 2 = 4, 3 \times 3 = 9, 4 \times 4 = 16, 5 \times 5 = 25 \dots$ Cubes: $1, 8, 27, 64, 125, 216, 343, 512, 729$ In the sequence, each term is the product of counting number by itself thrice starting from 1 , as $1 \times 1 \times 1 = 1, 2 \times 2 \times 2 = 8, 3 \times 3 \times 3 = 27, 4 \times 4 \times 4 = 64, 5 \times 5 \times 5 = 125$ , $6 \times 6 \times 6 = 216 \dots$ . Virahānka numbers : $1, 2, 3, 5, 8, 13, 21, 34, 55, 89$ In the sequence, each term (starting from third term) is the sum of previous two terms. Powers of 2: 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 In the sequence, next term is the double of previous term, as $1, 1 \times 2 = 2, 2 \times 2 = 4$ , $4 \times 2 = 8, 8 \times 2 = 16, 16 \times 2 = 32$ Powers of 3: $1, 3, 9, 27, 81, 243, 729, 2187, 6561, 19683$ In the sequence, next term is the thrice of previous term, as $1, 1 \times 3 = 3, 3 \times 3 = 9, 9 \times 3 = 27$ , $27 \times 3 = 81, 81 \times 3 = 243, 243 \times 3 = 729$ .

1.3 VISUALISING NUMBER SEQUENCES

Copy the pictorial representations of the number sequences in the table (given below) in your notebook, and draw the next picture for each sequence.

Sol.

Why are $1, 3, 6, 10, 15$ , called triangular numbers? Why are $1, 4, 9, 16, 25, \dots$ called square numbers or squares? Why are $1, 8, 27, 64, 125$ called cubes? Sol. Triangular numbers: Each term is the sum of first $n$ consecutive counting numbers, $(1, 3, 6, 10, 15 \dots)$ . These numbers can form equilateral triangles when arranged in dots. $1, 4, 9, 16$ are square numbers called so because they can form geometrical shape squares when arranged in dots. Cubes ( $1, 8, 27, 64..$ . $) a rec a ll e d c u b es b ec a u se t h ey f or m t h e g eo m e t r i c a l s ha p ec u b e$ (shape having same length, breadth and height) when these number of unit cubes are arranged in a particular way.
You will have noticed that 36 is both a triangular number and a square number! That is, 36 dots can be arranged perfectly both in a triangle and in a square. Make pictures in your notebook illustrating this! This shows that the same number can be represented differently, and play different roles, depending on the context. Try representing some other numbers pictorially in different ways! Sol.

Some other same numbers that can be represented differently and play different roles that is 1225 . ( $35 \times 35$ ). As it is both triangular as well as square number.
What would you call the following sequence of numbers?

That's right, they are called hexagonal numbers, Draw these in your notebook. What is the next number in the sequence? Sol.

1st number $= 1$ $2^{nd}$ number $= 1 + 6 = 7$ ( $2^{nd}$ number $= 1^{st}$ number $+ 6 \times 1$ ) $3^{rd}$ number $= 7 + 12 = 19$ ( $3^{rd}$ number $= 2^{nd}$ number $+ 6 \times 2$ ) $4^{th}$ number $= 19 + 18 = 37$ ( $4^{th}$ number $= 3^{rd}$ number $+ 6 \times 3$ ) $5^{th}$ number $= 37 + 24 = 61$ ( $5^{th}$ number $= 4^{th}$ number $+ 6 \times 4$ ) Hence, the next number in the sequence is 61 .
Can you think of pictorial ways to visualise the sequence of Powers of 2? Powers of 3? Here is one possible way of thinking about Powers of 2:

Sol.

1.4 RELATIONS AMONG NUMBER SEQUENCES

Can you find a similar pictorial explanation for why adding counting numbers up and down, i.e., $1, 1 + 2 + 1, 1 + 2 + 3 + 2 + 1, \dots$ , gives square numbers? Sol. When you add counting numbers up and down, like $1, 1 + 2 + 1, 1 + 2 + 3 + 2 + 1$ etc., you are essentially forming symmetrical shapes that resemble squares. For example:

(1 square dot) $1 + 2 + 1 = 4$ (forms a $2 \times 2$ square) $1 + 2 + 3 + 2 + 1 = 9$ (forms a $3 \times 3$ square) Each time, the numbers symmetrically increase and then decrease, giving a perfect square pattern.
By imagining a large version of your picture, or drawing it partially, as needed, can you see what will be the value of $1 + 2 + 3 + \dots + 99 + 100 + 99 + \dots + 3 + 2 + 1$ ? Sol. 1=1 $1 + 2 + 1 = 4$ $1 + 2 + 3 + 2 + 1 = 9$ $1 + 2 + 3 + 4 + 3 + 2 + 1 = 16$ $1 + 2 + 3 + 4 + 5 + 4 + 3 + 2 + 1 = 25$ $1 + 2 + 3 + 4 + 5 + 6 + 5 + 4 + 3 + 2 + 1 = 36$ $1 + 2 + 3 + \dots . + 99 + 100 + 99 + \dots + 3 + 2 + 1 = 10000$
Which sequence do you get when you start to add the All 1's sequence up? What sequence do you get when you add the All 1's sequence up and down? Sol. When we add all 1's sequence up we get the counting numbers, as $1 = 1$ , $1 + 1 = 2$ , $1 + 1 + 1 = 3$ , $1 + 1 + 1 + 1 = 4$ , When we add all 1's sequence up and down, we get counting numbers depend upon number of times 1 occurs.

Which sequence do you get when you start to add the Counting numbers up? Can you give a smaller pictorial explanation? Sol. If you add the counting numbers ( $1, 2, 3, 4, \dots$ ), you get triangular numbers: $1 = 1$ $1 + 2 = 3$ $1 + 2 + 3 = 6$ $1 + 2 + 3 + 4 = 10$ This forms the triangular number sequence. Pictorial representation:

What happens when you add up pairs of consecutive triangular numbers? That is, take $1 + 3, 3 + 6, 6 + 10, 10 + 15 \dots$ ? Which sequence do you get? Why? Can you explain it with a picture? Sol.
When we add up pairs of consecutive triangular numbers i.e, $1 + 3, 3 + 6, 6 + 10, 10 + 15$ we get square number sequence i.e., $1 + 3 = 4 = 2 \times 2$ $3 + 6 = 9 = 3 \times 3$ $6 + 10 = 16 = 4 \times 4 \dots\dots$ .
What happens when you start to add up powers of 2 starting with 1 , i.e., take $1, 1 + 2, 1 + 2 + 4$ , $1 + 2 + 4 + 8, \dots$ . Now add 1 to each of these numbers -what numbers do you get? Why does this happen? Sol. When we start to add powers of 2: 1 $1 + 2 = 3$ $1 + 2 + 4 = 7$ $1 + 2 + 4 + 8 = 15$ When we add 1 to each of these numbers: $1 + 1 = 2$ $3 + 1 = 4$ $7 + 1 = 8$ $15 + 1 = 16$ We get a number sequence of powers of 2 again: $2, 4, 8, 16, \dots$
What happens when you multiply the triangular numbers by 6 and add 1 ? Which sequence do you get? Can you explain it with a picture? Sol. Multiplying the triangular numbers by 6 and adding 1 gives: $1 \times 6 + 1 = 7$ $3 \times 6 + 1 = 19$ $6 \times 6 + 1 = 37$ $10 \times 6 + 1 = 61$ This forms the hexagonal number sequence: $7, 19, 37, 61$ ... Pictorial representation:

What happens when you start to add up hexagonal numbers, i.e., take $1, 1 + 7, 1 + 7 + 19$ , $1 + 7 + 19 + 37, \dots$ . Which sequence do you get? Can you explain it using a picture of a cube?

Sol. When we start to add up hexagonal numbers, $1 = 1 \times 1 \times 1 = 1^{3}$ $1 + 7 = 8 = 2 \times 2 \times 2 = 2^{3}$ $1 + 7 + 19 = 27 = 3 \times 3 \times 3 = 3^{3}$ $1 + 7 + 19 + 37 = 64 = 4 \times 4 \times 4 = 4^{3}$ We get the cube of consecutive numbers. i.e., $1^{3}, 2^{3}, 3^{3}, 4^{3}$ ,

Find your patterns or relations in and among the sequences in Table 1. Can you explain why they happen with a picture or otherwise? Sol. 3, 6, 9, 12, 15, 18......... (consecutive multiples of 3 ). $10, 15, 20, 25$ ......... (first number is 10 . Then increase of 5 in each term)

1.5 PATTERNS IN SHAPES

Can you recognize the pattern in each of the sequences in the table given below?

Sol. Regular Polygons: Triangle, quadrilateral, pentagon, hexagon, heptagon, etc. Pattern: The number of sides increases by 1 each time, forming a polygon with an additional side. Complete Graphs: K2, K3, K4, K5, etc. Pattern: The number of vertices increases by 1, and the lines connecting every vertex form a complete graph. The number of edges increases accordingly. Stacked Squares: Squares are stacked upon each other, with additional layers of smaller squares. Pattern: More squares are added as layers, increasing the total number of smaller squares. Stacked Triangles: Triangles stacked upon each other, increasing the number of small triangles in the structure. Pattern: As new layers are added, the number of smaller triangles increases. Koch Snowflake : As fractal pattern where each line segment is replaced by smaller "bumps" in the shape of an equilateral triangle. Pattern: Each iteration adds more bumps along the edges, increasing the complexity and the number of line segments.
Try and redraw each sequence in the table given in question 1, in your notebook. Can you draw the next shape in each sequence? Why or why not? After each sequence, describe in your own words what is the rule or pattern for forming the shapes in the sequence. Sol. Regular Polygon: The next shape after the Decagon (10 sides) is the Hendecagon (11 sides). Rule: Increase the number of sides by 1

Complete graphs: After K6 (6 vertices), the next complete graph is K7 Rule: Add one more vertex and connect every vertex to all others,

Stacked Squares: The next shape will have an additional layer of squares stacked below or around the existing structure Rule: Add another layer with additional small squares, expanding the structure.

Stacked Triangles: The next shape will have one more layer of triangles at the base, increasing the total number of triangles. Rule: Add another row of triangles to form a larger slacked structure.

Koch Snowflake: The next shape will have more intricate and smaller triangular "bumps" added to each side of the snowflake. Rule: Each line segment is replaced with 4 smaller segments (one segment for the bump), increasing the total number of segments exponentially.

1.6 RELATION TO NUMBER SEQUENCES

Count the number of sides in each shape in the sequence of Regular Polygons. Which number sequence do you get? What about the number of corners in each shape in the sequence of Regular Polygons? Do you get the same number sequence? Can you explain why this happens? Sol. Sides and Corners Sequence: The number of sides and corners in each shape of the regular polygon sequence increases by 1 . Triangle: 3 sides, 3 corners Quadrilateral: 4 sides, 4 corners Pentagon: 5 sides, 5 corners Hexagon: 6 sides, 6 corners Heptagon: 7 sides, 7 corners Number Sequence: 3, 4, 5, 6, 7... The number of sides and corners is the same because each corner corresponds to a side in regular polygons.
Count the number of lines in each shape in the sequence of Complete Graphs. Which number sequence do you get? Can you explain why? Sol. Number of Lines in Complete Graphs Sequence : The number of lines in a complete graph $(Kn)$ increases based on how many vertices are connected. K2: 1 line K3: 3 lines K4: 6 lines K5: 10 lines
How many little squares are there in each shape of the sequence of Stacked Squares? Which number sequence does this give? Can you explain why? Sol. Number of Squares Sequence : As squares are stacked, the number of little squares increases: $1^{st}$ shape: 1 square $2^{nd}$ shape: 4 squares $3^{rd}$ shape: 9 squares $4^{th}$ shape: 16 squares Number Sequence: 1, 4, 9, 16... The number of squares follows the sequence of square numbers, as each shape forms a perfect square grid.
How many little triangles are there in each shape of the sequence of Stacked Triangles? Which number sequence does this give? Can you explain why? (Hint: In each shape in the sequence, how many triangles are there in each row?) Sol. Number of little triangles sequence of Stacked Triangles $= 1, 4, 9, 16, 25$
To get from one shape to the next shape in the Koch Snowflake sequence, one replaces each line segment '-'by a 'speed bump'. As one does this more and more times, the changes become tinier and tinier with very very small line segments. How many total line segments are there in each shape of the Koch Snowflake? What is the corresponding number sequence? (The answer is $3, 12, 48$ , ..., i.e. 3 times Powers of 4). Sol. Koch Snowflake Line Segments Sequence: $1^{st}$ shape: 3 line segments $2^{nd}$ shape: 12 line segments $3^{rd}$ shape: 48 line segments Number Sequence: 3, 12, 48, ... The number of line segments increases by multiplying the previous number by 4 , forming a sequence of 3 times powers of 4.

5.0Key Features of Class 6 Maths Solutions for Chapter 1: Patterns in Mathematics

Introduction to Patterns: The chapter begins by defining what patterns are and how they are prevalent in various aspects of our lives, including mathematics, art, and nature.
Types of Patterns: It explores different types of patterns, such as geometric and Number Patterns.
Identifying and Extending Patterns: Students learn how to observe patterns, identify the rules that govern them, and use these rules to predict future elements in the sequence.
Real-World Applications: The chapter highlights how patterns are used in various real-world contexts, such as:

Art and Design: Creating decorative patterns, mosaics, and other artistic expressions.
Architecture: Designing buildings with repeating patterns and symmetrical structures.
Nature: Observing patterns in natural phenomena like seashells, snowflakes, and plant growth.

NCERT Solutions for Class 6 Maths Other Chapters:-

Chapter 1: Patterns in Mathematics

Chapter 2: Lines and Angles

Chapter 3: Number Play

Chapter 4: Data Handling and Presentation

Chapter 5: Prime Time

Chapter 6: Perimeter and Area

Chapter 7: Fractions

Chapter 8: Playing With Construction

Chapter 9: Symmetry

Chapter 10: The Other Side of Zero

CBSE Notes for Class 6 Maths - All Chapters:-