# Class 9 Maths Solutions | SwaVid

Browse NCERT maths solutions for Class 9, chapter by chapter.

Canonical: https://www.swavid.com/maths/class/9

Source: https://swavid.com/maths/class/9

# Chapters, NCERT solutions, and practice

## Orienting Yourself: The Use of Coordinates

## Orienting Yourself: The Use of Coordinates

## Introduction to Linear Polynomials

## Introduction to Linear Polynomials

## The World of Numbers

## The World of Numbers

## Exploring Algebraic Identities

## Exploring Algebraic Identities

## I’m Up and Down, and Round and Round

## I’m Up and Down, and Round and Round

## Measuring Space: Perimeter and Area

## Measuring Space: Perimeter and Area

## The Mathematics of Maybe: Introduction to Probability

## The Mathematics of Maybe: Introduction to Probability

## Predicting What Comes Next: Exploring Sequences and Progressions

## Predicting What Comes Next: Exploring Sequences and Progressions

## If a chapter feels harder than it should, find the missing idea first.

Class 9 Maths

Pick a chapter for concepts, practice questions, and worked NCERT answers.

8 chapters to explore

One route. Three useful ways in.

Chapter 1

The Need for a Coordinate System · The Cartesian Plane: Axes and Origin · Quadrants +5

Chapter 1

Chapter 2

Polynomials: Definition and Terminology · Classification of Polynomials · Zeroes of a Polynomial +4

Chapter 2

Chapter 3

Rational Numbers and their Decimal Expansions · Irrational Numbers · Real Numbers and their Representation on the Number Line +3

Chapter 3

Chapter 4

Understanding Algebraic Identities · Identities for Squares and Binomial Products · Expanding Trinomial Squares +4

Chapter 4

Chapter 5

Circle definitions and basic elements · Symmetry and circles through points · Chords and angles at the centre +2

Chapter 5

Chapter 6

Perimeter and Area of Basic 2D Shapes · Area of a Circle, Sector, and Segment · Surface Area of 3D Shapes +3

Chapter 6

Chapter 7

Introduction to Uncertainty and Chance · Experiment, Trial, and Event · Experimental Probability Formula +4

Chapter 7

Chapter 8

Introduction to Sequences · Arithmetic Progression (AP) · Nth Term of an Arithmetic Progression +5

Chapter 8

A better first move

SwaVid's Learning Debt Identifier helps map the prerequisite before practice turns into guessing.

## Key Links

- [NCERT Maths](https://swavid.com/maths)
- [Start the first chapter](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Check a prerequisite](https://swavid.com/learning-debt-identifier)
- [Start the first chapter](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Check a prerequisite](https://swavid.com/learning-debt-identifier)
- [Orienting Yourself: The Use of Coordinates](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Concepts](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Practice](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates/ncert-solutions)
- [Orienting Yourself: The Use of Coordinates](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/orienting-yourself-the-use-of-coordinates)
- [Introduction to Linear Polynomials](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials)
- [Concepts](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials)
- [Practice](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials/ncert-solutions)
- [Introduction to Linear Polynomials](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/introduction-to-linear-polynomials)
- [The World of Numbers](https://swavid.com/maths/class/9/chapter/the-world-of-numbers)
- [Concepts](https://swavid.com/maths/class/9/chapter/the-world-of-numbers)
- [Practice](https://swavid.com/maths/class/9/chapter/the-world-of-numbers/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/the-world-of-numbers/ncert-solutions)
- [The World of Numbers](https://swavid.com/maths/class/9/chapter/the-world-of-numbers)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/the-world-of-numbers)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/the-world-of-numbers/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/the-world-of-numbers/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/the-world-of-numbers)
- [Exploring Algebraic Identities](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities)
- [Concepts](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities)
- [Practice](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities/ncert-solutions)
- [Exploring Algebraic Identities](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/exploring-algebraic-identities)
- [I’m Up and Down, and Round and Round](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round)
- [Concepts](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round)
- [Practice](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round/ncert-solutions)
- [I’m Up and Down, and Round and Round](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/i-m-up-and-down-and-round-and-round)
- [Measuring Space: Perimeter and Area](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area)
- [Concepts](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area)
- [Practice](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area/ncert-solutions)
- [Measuring Space: Perimeter and Area](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/measuring-space-perimeter-and-area)
- [The Mathematics of Maybe: Introduction to Probability](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability)
- [Concepts](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability)
- [Practice](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability/ncert-solutions)
- [The Mathematics of Maybe: Introduction to Probability](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/the-mathematics-of-maybe-introduction-to-probability)
- [Predicting What Comes Next: Exploring Sequences and Progressions](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions)
- [Concepts](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions)
- [Practice](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions/practice-questions)
- [Solutions](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions/ncert-solutions)
- [Predicting What Comes Next: Exploring Sequences and Progressions](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions)
- [Concept cards Concepts](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions)
- [Practice set Practice](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions/practice-questions)
- [NCERT solutions Solutions](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions/ncert-solutions)
- [Begin with the idea](https://swavid.com/maths/class/9/chapter/predicting-what-comes-next-exploring-sequences-and-progressions)
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