Bihar Board Class 10 Math Weightage 2026 Unit and Chapter-Wise Mark Distribution
Bihar Board Class 10 Math Weightage 2026 Unit and Chapter-Wise Mark Distribution comprises 7 units, where Algebra, Trigonometry, and Geometry will carry the highest weightage at 20 marks each.
Bihar Board Class 10 Math Weightage 2026 provides information about the marks distribution, which will help you to pick the important or high-weightage topics first. TheBihar Board Class 10 Math Syllabus 2025-26consists of 7 units, where Algebra, Trigonometry, and Geometry hold the highest weightage at 20 marks each. The units like Number Systems, Coordinate Geometry, Mensuration, and Statistics and Probability are the second highest weightage, contributing about 10 marks each. The Bihar Board Class 10 Math will be held for 100 marks, divided into objective (MCQs) and subjective (short/long answers) sections with internal choices. InPolynomials (Algebra),Zeros and the division algorithm will carry 4-6 marks. InQuadratic Equations (Algebra),Factorization, the nature of roots, inPair of Linear Equations,Graphical solutions, elimination, Triangles (Geometry),Similarity criteria, Pythagoras, and inCircles (Geometry),Tangents, and theorems are important.
In BSEB 10th Math paper 2026, Section A includes 100 MCQs (attempt 50 for 50 marks), Section B has 30 short-answer questions (attempt 15 for 30 marks), and Section C has 8 long-answer questions (attempt 4 for 20 marks). Students need at least 33% to pass. The BSEB 10th Math exam will be held for 3 hours and 15 minutes total time. Prioritize high-weightage units like Algebra (Polynomials, Linear Equations), Geometry (Triangles, Circles), and Trigonometry for maximum scores. Continue reading the article to know more on Bihar Board Class 10 Math Weightage 2026 Unit and Chapter-Wise Mark Distribution.
Also CheckBihar Board Class 10 Math Model Question Paper 2026
Bihar Board Class 10 Math Weightage 2026 Theory Exam
The Bihar Board 10th Math exam pattern 2026 includes 50% objective (MCQs) and 50% subjective (short/long answers). Refer to the table below to get an insight into the unit and chapter-wise.| Chapters | Topics | Marks Allotted |
| Real Numbers | Fundamental Theorem of Arithmetic | 10 |
| Euclid’s Division Lemma and Algorithm | ||
| Rational and Irrational Numbers | ||
| Polynomials | Division Algorithm For Polynomials | 20 |
| Zeroes and Coefficients | ||
| Geometric Meaning of The Zeroes | ||
| Pair of Linear Equations in 2 Variables | Graphical Solution to Linear Equations | |
| Substitution Method, Elimination Method | ||
| Cross Multiplication Method | ||
| Equations Reducible to Linear Form | ||
| Quadratic Equations | Introduction to Quadratic Equations | |
| Procedure of Completing The Square | ||
| Nature of Roots | ||
| Equations Reducible to Quadratic Form | ||
| Arithmetic Progression | Introduction to Arithmetic Progression | |
| nth Term of A.P. | ||
| The sum of n Terms of A.P. | ||
| Word Problems of A.P. | ||
| Coordinate Geometry | Distance Formula | 10 |
| Section Formula | ||
| Area of Triangles | ||
| Introduction to Trigonometry | Trigonometric Ratios, Trigonometric Tables | 20 |
| Trigonometric Ratios of Complementary Angles | ||
| Introduction to Trigonometric Identities | ||
| Applications of Trigonometric Identities | ||
| Some Applications of Trigonometry | Introduction to Heights and Distances | |
| Applications of Heights and Distances | ||
| Triangles | Basic Proportionality Theorem | 30 |
| Converse of BPT | ||
| Criteria For Similar Triangles | ||
| Problems with Similar Triangles | ||
| Areas of Similar Triangles | ||
| Pythagoras Theorem | ||
| Problems on Pythagoras Theorem | ||
| Circles | Tangents to a Circle | |
| Properties of Tangents | ||
| Construction | Construction of Similar Triangles | |
| Construction of Tangents | ||
| Areas Related to Circles | Areas and Circumference of a Circle | |
| Areas of Sectors and Segments | ||
| Areas of Combination of Figures | ||
| Surface Areas and Volumes | Surface Area: Combination of Solids | |
| Volume: Combination of Solids | ||
| Conversion of Solids | ||
| Frustum of A Cone | ||
| Statistics | Arithmetic Means of Grouped Data | 10 |
| Mode of Grouped Data | ||
| Median of Grouped Data | ||
| Relation Between Central Tendencies | ||
| Cumulative Frequency Curve | ||
| Probability | A Classical Approach to Probability | |
| Applications of Probability |
Read more:Bihar Board Class 10 Math Exam Pattern 2025-26
Bihar Board Class 10 Math Question Paper Blueprint 2026
Bihar Board Class 10 Math question paper blueprint 2026 comprises 100 marks. There will be 138 questions in total and the exam will be held for 3 hours 15 minutes, split evenly between objective and subjective sections. Here is the Bihar Board Class 10 Math Question Paper Blueprint 2026 in the table below:| Question Type | Total Questions | Attempt | Marks per Question | Total Marks |
|---|---|---|---|---|
| Objective (MCQs) | 100 | 50 | 1 | 50 |
| Short Answer | 30 | 15 | 2 | 30 |
| Long Answer | 8 | 4 | 5 | 20 |
| Total | 138 | 69 | - | 100 |
Read more:
As per the research, Algebra, Trigonometry, and Geometry dominate the Bihar Board Class 10 Maths 2026 weightage with 20 marks each, totaling 60 marks. Try to focus more on these topics and chapters that are already mentioned above. For better preparation, you must solve as manyBihar Board Class 10th Math Previous Year Question Papersas possible.