CBSE Class 10 Maths Notes 2025-26

Class 10 is one of the most important years in a student’s academic life. The marks scored in this year’s board exams often shape future study plans and career paths. Among all subjects, Mathematics plays a very special role. It is not only a scoring subject but also a foundation for higher studies in science, commerce, and technical fields. To prepare well for the CBSE Class 10 Maths exam, students need proper guidance, regular practice, and most importantly, well-organized revision notes.

The CBSE Class 10 Maths Notes 2025–26 are designed to help students understand and revise key topics easily. These notes follow the latest CBSE Class 10 Syllabus and cover every chapter in a simple, easy-to-understand format. Whether it's Algebra, Geometry, Trigonometry, or Statistics, each topic is explained in a clear and organized way. Important formulas, definitions, theorems, and shortcut methods are included to help students revise quickly before exams.

Many students often find Maths challenging, especially when they try to learn everything at once. That’s why using Class 10 Maths revision notes is so helpful. These notes break down each topic into bite-sized information, making it easier to study and remember. Difficult topics like Quadratic Equations, Surface Areas and Volumes, or Trigonometric Identities become much simpler when explained step-by-step. This builds confidence and reduces exam stress.

Another big advantage is that these notes are available in PDF format. Students can easily do a Maths Class 10 Notes PDF download and study on their phone, tablet, or laptop anytime. Whether you're travelling, revising just before a test, or doing last-minute preparation on exam day, having your notes ready in PDF form makes your learning flexible and efficient.

The CBSE Notes Class 10 not only help in board exams but also improve problem-solving skills and speed. Each chapter has been explained in line with NCERT textbook concepts, making sure students don’t miss anything important.

In short, these CBSE Class 10 Maths Revision Notes are like a trusted study partner. They save time, improve understanding, and help students score better. So if you want to boost your preparation and feel confident about your Maths exam, these notes are exactly what you need. Start using them today and take one step closer to success.

Chapter-wise CBSE Class 10 Maths Notes 2025-26

The Maths Class 10 Notes are structured chapter-wise in accordance with the latest CBSE curriculum. Below is a table listing each chapter and the availability of its Revision Notes Class 10 Maths:

Each of these chapters includes conceptual explanations, solved examples, formulas, and shortcut methods for quick learning.

Do Check: CBSE Class 10 Notes Subject Wise 2025-26

Key Concepts Covered in Class 10 Maths Notes

Let’s take a quick chapter-wise summary of what you can expect in your CBSE Class 10 Maths Notes PDF:

Class 10 Notes for Chapter 1: Real Numbers

Euclid’s Division Lemma

This lemma states that for any two positive integers a and b, there exist unique integers q and r such that:

a = bq + r, where 0 ≤ r < b
It is used to compute the Highest Common Factor (HCF) of two numbers through the Euclidean algorithm.

Fundamental Theorem of Arithmetic

This theorem states:

Every composite number can be expressed (factorised) uniquely as a product of prime numbers.
For example: 60 = 2² × 3 × 5

This is critical for solving LCM, HCF, and number system questions.

Irrational Numbers

Numbers that cannot be expressed as p/q, where p and q are integers and q ≠ 0. Examples: √2, √3, π.

Proofs that certain square roots are irrational are commonly tested.

Class 10 Notes for Chapter 2: Polynomials

Zeros of Polynomials

For a given polynomial f(x), zeros are the values of x for which f(x) = 0.
For example, for f(x) = x² – 4, zeros are x = 2 and x = -2.

Relationship Between Zeros and Coefficients

For quadratic polynomials:

If α and β are the roots of ax² + bx + c,
Then:
α + β = –b/a
αβ = c/a

This relationship helps reconstruct polynomials and solve inverse problems.

Class 10 Notes for Chapter 3: Pair of Linear Equations in Two Variables

Graphical and Algebraic Methods

• Graphical Method: Two equations are plotted as lines. Intersection gives the solution.
• Algebraic Methods:
  • Substitution Method
  • Elimination Method
  • Cross Multiplication Method

Substitution and Elimination

• Substitution: Solve one equation for one variable, substitute in the other.
• Elimination: Add or subtract equations to eliminate one variable and solve.

Class 10 Notes for Chapter 4: Quadratic Equations

Nature of Roots

Use the discriminant D = b² – 4ac to find the nature of roots:

• D > 0: Two distinct real roots
• D = 0: Two equal real roots
• D < 0: No real roots (complex)

Solving by Factorization and Quadratic Formula

• Factorization: Split middle term.
• Quadratic Formula:

x = (–b ± √D)/2a
Where D is the discriminant.

Class 10 Notes for Chapter 5: Arithmetic Progressions (AP)

nth Term of AP

Given the first term a and common difference d,

nth term: an = a + (n – 1)d

Sum of First n Terms

Sn = n/2 [2a + (n – 1)d]
Or
Sn = n/2 (a + l) (where l is the last term)

These formulas are crucial for solving AP-based numerical problems.

Also Check: CBSE Class 10 English Notes

Class 10 Notes for Chapter 6: Triangles

Basic Proportionality Theorem (Thales Theorem)

If a line is drawn parallel to one side of a triangle intersecting the other two sides, then it divides those sides in the same ratio.
This forms the basis of similarity proofs.

Pythagoras Theorem

In a right-angled triangle:

(Hypotenuse)² = (Base)² + (Height)²
Used in coordinate geometry, trigonometry, and real-world distance problems.

Class 10 Notes for Chapter 7: Coordinate Geometry

Distance Formula

For two points (x₁, y₁) and (x₂, y₂):

Distance = √[(x₂ – x₁)² + (y₂ – y₁)²]

Section Formula

Dividing a line segment internally in the ratio m:n:

(mx₂ + nx₁)/(m+n), (my₂ + ny₁)/(m+n)
Useful for midpoint, centroid calculations.

Class 10 Notes for Chapter 8 & 9: Introduction to Trigonometry and Applications

Trigonometric Ratios and Identities

Defines ratios like:

• sin θ = Opposite/Hypotenuse
• cos θ = Adjacent/Hypotenuse
• tan θ = Opposite/Adjacent

Important identity:

sin²θ + cos²θ = 1

Heights and Distances

Application of trigonometric ratios to solve real-life problems using angles of elevation and depression.
Questions involve diagrams, right triangles, and use of basic identities.

Class 10 Notes for Chapter 10 & 11: Circles and Areas Related to Circles

Tangent Properties

• A tangent to a circle is perpendicular to the radius at the point of contact.
• Two tangents from an external point are equal in length.

Area and Perimeter Related Problems

Includes:

• Area of sector = (θ/360) × πr²
• Length of arc = (θ/360) × 2πr
  Used for mixed figures and practical geometry.

Class 10 Notes for Chapter 12: Surface Areas and Volumes

Cones, Spheres, Cylinders

Formulas include:

• Surface Area of Sphere = 4πr²
• Volume of Cone = (1/3)πr²h
• Volume of Cylinder = πr²h

Frustum Volumes

A frustum is formed by cutting a cone parallel to its base.
Volume formula:

V = (1/3)πh(r₁² + r₂² + r₁r₂)
where r₁ and r₂ are radii of the two circular ends.

Class 10 Notes for Chapter 13: Statistics

Mean, Median, Mode of Grouped Data

• Mean: Σ(f×x)/Σf
• Median and Mode calculated using class intervals and cumulative frequency.

Ogives and Cumulative Frequency

Graphical representation of data using Less Than and More Than Ogives, used to determine median visually.

Class 10 Notes for Chapter 14: Probability

Simple and Complementary Events

• Probability (P) of an event = Favorable outcomes / Total outcomes
• Complementary Event:

P(E) + P(E′) = 1

Questions are generally based on dice, cards, coins, etc.

How to Use Class 10 Maths Revision Notes Effectively?

To make the most of your Class 10 Maths Notes, follow these steps:

1. Start with the Basics

Before diving into practice, use the notes to brush up on fundamental concepts and definitions.

2. Highlight Important Formulas

In every chapter, there are 5–10 formulas that are must-know. Highlight and revise them daily using the CBSE Class 10 Maths Notes PDF.

3. Use for Last-Minute Revisions

As exams approach, avoid reading bulky textbooks. Instead, rely on Revision Notes Class 10 Maths to skim through critical points quickly.

4. Pair Notes with Practice Papers

After reviewing a chapter’s notes, solve 5-10 questions from that topic. Use Maths Notes Class 10 PDF Download as a reference for doubts.

5. Create a Separate Mistake Tracker

Whenever you make a mistake while solving, jot it down beside the related concept in your PDF notes. This improves retention and helps avoid repeating errors.

Why Are CBSE Class 10 Maths Notes Important?

Class 10 is a milestone year in a student's academic journey, and Mathematics is one of the most scoring subjects if studied properly. CBSE Class 10 Maths Revision Notes help you consolidate important formulas, concepts, theorems, and shortcuts. These notes act as a bridge between learning and revising, making them indispensable tools for exam preparation.

Here’s why these notes matter:

CBSE Class 10 Maths 2025-26 Syllabus Weightage

Understanding chapter weightage helps prioritize your efforts. Here's the official breakdown as per the latest CBSE guidelines:

With Algebra and Geometry carrying the maximum weightage, ensure that your Maths Notes Class 10 PDF Download includes deeper focus on these units.

Advantages of Using CBSE Class 10 Maths Notes

These CBSE Notes Class 10 are designed for smart revision and not just rote learning. You can highlight, annotate, or even print them out.

Tips for Effective Exam Preparation

Incorporate the following tips into your study plan using Maths Class 10 Notes:

• Create a revision timetable that includes at least one chapter of Maths per day.
• Use the PDFs for Class 10 Maths Notes daily for quick reference.
• Form a study group and test each other on formulas and theorems.
• Don’t skip chapters with low weightage—they may contain easy scoring questions.
• Use the CBSE Class 10 Maths Revision Notes to maintain a formula journal.

The CBSE Class 10 Maths Notes 2025-26 are a goldmine for students preparing for board exams. With chapter-wise summaries, key concept breakdowns, and formula banks, these notes simplify your study process and save you valuable time. Whether you're doing a full revision or a quick brush-up before the exam, Maths Notes Class 10 PDF Download resources are your best companions.