The Central Board of Secondary Education (CBSE) will start the Class 10 board exams on February 17, 2026 . The Mathematics paper is known to be a challenging but high-scoring subject for students. To do well, students should focus on revising key topics.
Important Math Topics for Class 10
Experts suggest students pay extra attention to chapters that carry more marks and are asked frequently in exams. Here are some important topics for the CBSE Class 10 Mathematics exam:
Real Numbers
- Euclid’s Division Lemma
- Fundamental Theorem of Arithmetic
- Problems on Highest Common Factor (HCF) and Least Common Multiple (LCM)
Polynomials
- Understanding zeros of a polynomial
- The link between zeros and coefficients
- How to represent polynomials on a graph
Pair of Linear Equations in Two Variables
- Solving using graphs
- Solving using algebraic methods
- Word problems involving linear equations
Quadratic Equations
- Solving by factorization
- Solving by completing the square
- Understanding the nature of roots
Arithmetic Progressions (AP)
- Finding the nth term
- Calculating the sum of the first n terms
- Real-life problems related to AP
Triangles
- Similarity of triangles
- Pythagoras theorem
- Important proofs related to triangles
Coordinate Geometry
- Distance formula
- Section formula
- Formula for the area of a triangle
Trigonometry
- Trigonometric identities
- Values of trigonometric ratios
- Problems on heights and distances
Circles
- Tangents to a circle
- Number of tangents from a point to a circle
Frequently Asked Questions in Maths
Students can prepare by looking at questions that have appeared in previous exams. Some examples of frequently asked questions include:
- A story problem about a thief and a policeman running at different speeds.
- Probability questions involving a deck of cards after some cards are removed.
- Problems using angles of depression to find distances between ships and a lighthouse.
- Calculating the volume of a solid made of a cone and a hemisphere.
- Solving pair of linear equations graphically and finding the area of a triangle formed by the lines.
Exam Schedule and Practical Exams
The CBSE Class 10 board exams start on February 17, 2026 . Practical exams are being conducted between January 1 and February 14, 2026 . Students are advised to check the official CBSE website for the exact date sheet and any updates.
What to Carry for the Exam
On exam day, students must carry their Admit Card and a School ID card . It is also advisable to carry pens, pencils, an eraser, and a ruler. Check school rules for carrying a water bottle. Students should wear their school uniform and arrive at the exam center at least 30 minutes before the start time.