Bihar Board Class 10 Maths Syllabus 2025-26 PDF Download

Bihar Board Class 10 Maths Syllabus 2025-26: The Bihar School Examination Board releases the syllabus for the academic year to help students build a solid base in mathematics. It covers important topics like Real Numbers, Algebra, Geometry, Trigonometry, Mensuration, Statistics, and Probability.

Each topic is given a specific weightage in the exam, with a focus on understanding concepts and applying them in day-to-day situations. The syllabus aims to improve problem-solving and logical thinking skills which are useful not just for board exams but also for future studies. 

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Bihar Board Class 10 Maths Syllabus 2025-26

Bihar Board Class 10 Maths syllabus 2025-26 includes important topics such as Real Numbers, Area of Circle, Geometry, Trigonometry, Mensuration, and Statistics. Here is the overview of the syllabus for Mathematics:

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Steps to Download Bihar Board Class 10 Maths Syllabus 2025-26

Here are the steps to download the Bihar Board Class 10 Maths syllabus 2025-26:

1. Visit the official website of the Bihar School Examination Board: http://biharboardonline.bihar.gov.in

2. On the homepage, navigate to the “Syllabus” section.

3. Select “Class 10” from the options.

4. Choose the subject “Mathematics” from the list.

5. Click on the download link to save the syllabus PDF to your device.

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Bihar Board Class 10 Maths Syllabus 2025-26 PDF

A structured syllabus helps students plan their study time effectively. You must begin your preparation by having a thorough understanding of the syllabus.

According to the Bihar Board Class 10th syllabus, prioritize important and high weightage topics. As mathematics requires consistent practice and problem solving skills, you must give 1-2 hours daily to the subject. Here is the Bihar Board Class 10 Maths syllabus 2025-26 PDF: 

Bihar Board Class 10 Maths Syllabus 2025-26 Marking Scheme

Bihar Board Class 10 Maths syllabus 2025-26 marking scheme gives students a clear idea of the weightage assigned to each unit. This helps in effective planning and focused preparation for the board exam. 

Algebra, Trigonometry, and Geometry carry the highest weightage i.e., 20 marks each, making them important for scoring well in the exam. Topics like Number System, Coordinate Geometry, Mensuration, and Statistics are also important, each contributing 10 marks.

By knowing how marks are split across topics, students can plan a more balanced and effective preparation strategy. It also helps in setting revision priorities, ensuring that no important chapter is left out. Below is the Bihar Board Class 10 Maths syllabus 2025-26 marking scheme:

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Bihar Board Class 10 Maths Syllabus 2025-26 Detailed

Bihar Board Class 10 Maths Syllabus 2025-26 is given here in the detailed format which includes sub-topics and topics as well: 

1. Number System

• 1.1 Real Numbers

• 1.2 Euclid's Division Lemma

• 1.3 Fundamental Theorem of Arithmetic

• 1.4 Reprove Irrational Numbers

• 1.5 Reprove Rational Numbers and their Decimal Expansion

2. Algebra

Polynomials

• 2.1 Introduction

• 2.2 Zeros of a Polynomial

• 2.3 Relation Between Zeros and Coefficients of a Polynomial

• 2.4 Division Algorithm for Polynomials

Linear Equations in Two Variables

• 3.1 Introduction

• 3.2 Pair of Equations in Two Variables

• 3.3 Pair of Linear Equations Solved Graphically

• 3.4 Algebraic Method for Solving a Pair of Linear Equations

• 3.4.1 Substitution Method

• 3.4.2 Elimination Method

• 3.4.3 Cross Multiplication Method

• 3.5 Equations Reducible to a Pair of Linear Equations

Quadratic Equations

• 4.1 Introduction

• 4.2 Quadratic Equations

• 4.3 Solving Quadratic Equations by Factorization

• 4.4 Solving Quadratic Equations by Completing the Square

• 4.5 Nature of Roots

Arithmetic Progression

• 5.1 Introduction

• 5.2 Arithmetic Progressions

• 5.3 nth Term of an AP

• 5.4 Sum of First n Terms of an AP

3. Trigonometry

Introduction to Trigonometry

• 8.1 Introduction

• 8.2 Trigonometric Ratios

• 8.3 Trigonometric Ratios of Some Special Angles

• 8.4 Trigonometric Ratios of Complementary Angles

• 8.5 Trigonometric Identities

• sin⁡2A+cos⁡2A=1\sin^2 A + \cos^2 A = 1sin2A+cos2A=1

• 1+tan⁡2A=sec⁡2A1 + \tan^2 A = \sec^2 A1+tan2A=sec2A

• 1+cot⁡2A=csc⁡2A1 + \cot^2 A = \csc^2 A1+cot2A=csc2A

4. Geometry

Coordinate Geometry

• 7.1 Introduction

• 7.2 Distance Formula

• 7.3 Section Formula

• 7.4 Area of a Triangle

Triangles

• 6.1 Introduction

• 6.2 Isotropic Shapes

• 6.3 Similarity of Triangles (Exercise 6.2)

• 6.4 Criteria for Similarity of Triangles

• AAA Criterion

• SSS Criterion

• SAS Criterion

• 6.5 Areas of Similar Triangles

• 6.6 Pythagoras Theorem

Constructions

• 11.1 Introduction

• 11.2 Division of a Line Segment in a Given Ratio

• 11.3 Construction of a Triangle Similar to a Given Triangle with a Given Scale Factor

• 11.4 Construction of Tangents to a Circle from a Point Outside It

Circles

• 10.1 Introduction

• 10.2 Tangent to a Circle

• 10.3 Number of Tangents from a Point to a Circle

5. Applications of Trigonometry

• 9.1 Introduction

• 9.2 Heights and Distances

6. Mensuration

Areas Related to Circles

• 12.1 Introduction: Perimeter and Area of a Circle – A Review

• 12.2 Area of a Segment of a Circle

• 12.3 Area of Combinations of Plane Figures

Surface Areas and Volumes

• 13.1 Introduction

• 13.2 Surface Area of Combination of Solids

• 13.3 Volume of Combination of Solids

• 13.4 Conversion of Solids from One Shape to Another

• 13.5 Frustum of a Cone
  
  

7. Statistics and Probability

Statistics

• 14.1 Introduction

• 14.2 Mean of Grouped Data

• 14.3 Mode of Grouped Data

• 14.4 Median of Grouped Data

• 14.5 Graphical Representation of Cumulative Frequency

Probability

• 15.1 Introduction

• 15.2 Probability – A Theoretical Approach

Bihar Board Class 10 Maths Syllabus 2025-26 Benefits

Here are the key benefits of studying the Bihar Board Class 10 Syllabus for Maths 2025-26:

1. Clear Understanding of Topics: It outlines all important chapters and concepts, helping students focus on what truly matters.

2. Better Exam Preparation: Knowing the syllabus aids in planning a study schedule and preparing systematically.

3. Improved Time Management: Helps allocate time effectively to each unit based on marks weightage.

4. Boosts Confidence: Familiarity with the syllabus reduces exam stress and builds confidence.

5. Foundation for Higher Studies: Covers fundamental concepts useful for Class 11 and competitive exams.

Bihar Board Class 10 Maths Syllabus 2025-26 Preparation Tips

Here are some effective Preparation Tips for Bihar Board Class 10 Maths Syllabus 2025-26:

1. Start by understanding all the units and chapters in the syllabus i.e., Algebra, Geometry, Trigonometry, Statistics, etc.

2. Practice Bihar Board's class 10 previous years question papers to understand the pattern and frequently asked questions.

3. Maths needs regular practice. Dedicate at least 1–2 hours daily to solving problems.

4. Write down all important formulas, identities, and theorems in one place for quick revision.

5. The Bihar Board follows the NCERT. Solve all examples and exercises from the NCERT Class 10 Maths textbook.