CBSE Class 10 Syllabus For Maths 202021: Maths is an essential subject in the CBSE 10th Board Exam. A depth concept of Class 10 Mathematics will help you to shape your career and crack the various competitive and entrance exam in the future.
HRD Minister Ramesh Nishank announced a major CBSE syllabus reduction with 30% of the syllabus slashed for the year 202021 on July 7 which was soon followed by an official notification by CBSE on the same.
If you want to know the latest CBSE Class 10 Syllabus for Maths, then you should read this article. Here you will get the latest syllabus PDF for CBSE Class 10 Maths, Which in term Helps in the preparation the CBSE Class 10 Board Examination correctly. Without the latest Class 10 Syllabus, as prescribed by CBSE, you will miss the various important chapters and topics.
Revised CBSE Class 10 Syllabus For Maths 202021
If you want to study in the Science stream, you should have a thorough concept on the subject. It will help you to secure a better mark in the CBSE Class 10 Maths Board Exam. Here you will get the detailed CBSE Class 10 Syllabus For Maths along with sectionwise marks distribution.
Before starting the complete guide on CBSE Class 10 Syllabus for Maths, you should have a look at the units included in CBSE Mathematics Syllabus along with the marks distribution:
Unit No 
Unit Name 
Marks 
1 
Number Systems 
06 
2 
Algebra 
20 
3 
Coordinate Geometry 
06 
4 
Geometry 
15 
5 
Trigonometry 
12 
6 
Mensuration 
10 
7 
Statistics & Probability 
11 
Total 
80 marks 
The CBSE Board examination 202021 will be conducted for 80 marks. The remaining 20 marks are allotted for Internal Assessment. Let us now look at the detailed CBSE Class 10 Syllabus for Mathematics – chapters and concepts under each unit.
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UNIT I: NUMBER SYSTEMS
 REAL NUMBER

 Fundamental Theorem of Arithmetic – statements after reviewing work done earlier and after illustrating and motivating through examples, Proofs of irrationality of Decimal representation of rational numbers interms of terminating/nonterminating recurring decimals.
UNIT II: ALGEBRA
 POLYNOMIALS (4) Periods

 Zeros of a polynomial. Relationship between zeros and coefficients of quadratic polynomials.
 PAIR OF LINEAR EQUATIONS IN TWO VARIABLES (11) Periods

 Pair of linear equations in two variables and graphical method of their solution, consistency/inconsistency.
 Algebraic conditions for number of solutions. Solution of a pair of linear equations in two variables algebraically – by substitution, by elimination. Simple situational problems. Simple problems on equations reducible to linear equations.
 QUADRATIC EQUATIONS (10) Periods

 Standard form of a quadratic equation ax^{2} + bx + c = 0, (a ≠ 0). Solutions of quadratic equations (only real roots) by factorization, and by using quadratic formula. Relationship between discriminant and nature of roots.
 ARITHMETIC PROGRESSIONS (4) Periods

 Motivation for studying Arithmetic Progression Derivation of the n^{th} term and sum of the first n terms of A.P.
UNIT III: COORDINATE GEOMETRY
 LINES (In twodimensions) (10) Periods

 Review: Concepts of coordinate geometry, graphs of linear equations. Distance formula. Section formula (internal division).
UNIT IV: GEOMETRY
 TRIANGLES (10) Periods
 Definitions, examples, counter examples of similar triangles.

 (Prove) If a line is drawn parallel to one side of a triangle to intersect the other two sides in distinct points, the other two sides are divided in the same
 (Motivate) If a line divides two sides of a triangle in the same ratio, the line is parallel to the third
 (Motivate) If in two triangles, the corresponding angles are equal, their corresponding sides are proportional and the triangles are
 (Motivate) If the corresponding sides of two triangles are proportional, their corresponding angles are equal and the two triangles are
 (Motivate) If one angle of a triangle is equal to one angle of another triangle and the sides including these angles are proportional, the two triangles are
 (Motivate) If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse, the triangles on each side of the perpendicular are similar to the whole triangle and to each
 (Prove) In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two
 CIRCLES (8) Periods
 Tangent to a circle at, point of contact

 (Prove) The tangent at any point of a circle is perpendicular to the radius through the point of
 (Prove) The lengths of tangents drawn from an external point to a circle are
 CONSTRUCTIONS (4) Periods
 Division of a line segment in a given ratio (internally).
 Tangents to a circle from a point outside
UNIT V: TRIGONOMETRY
 INTRODUCTION TO TRIGONOMETRY (8) Periods

 Trigonometric ratios of an acute angle of a rightangled triangle. Proof of their existence (well defined). Values of the trigonometric ratios of 30^{0}, 45^{0} and 60^{0}. Relationships between the ratios.
 TRIGONOMETRIC IDENTITIES (10) Periods
 Proof and applications of the identity sin^{2}A + cos^{2}A = 1. Only simple identities to be given.
 HEIGHTS AND DISTANCES: Angle of elevation, Angle of Depression. (8) Periods
 Simple problems on heights and distances. Problems should not involve more than two right triangles. Angles of elevation / depression should be only 30°, 45°, 60°.
UNIT VI: MENSURATION
 AREAS RELATED TO CIRCLES (10) Periods

 Motivate the area of a circle; area of sectors and segments of a circle. Problems based on areas and perimeter / circumference of the above said plane figures. (In calculating area of segment of a circle, problems should be restricted to central angle of 60°and 90° only. Plane figures involving triangles, simple quadrilaterals and circle should be taken.)
 SURFACE AREAS AND VOLUMES (8) Periods
 Surface areas and volumes of combinations of any two of the following: cubes, cuboids, spheres, hemispheres and right circular cylinders/cones.
 Problems involving converting one type of metallic solid into another and other mixed problems. (Problems with combination of not more than two different solids be taken).
UNIT VII: STATISTICS AND PROBABILITY
 STATISTICS (10) Periods

 Mean, median and mode of grouped data (bimodal situation and step deviation method for finding the mean to be avoided).
 PROBABILITY (10) Periods

 Classical definition of probability. Simple problems on finding the probability of an event.
CBSE Class 10 Syllabus For Maths 2020 – Internal Assessment
The Internal Assessment carries 20 marks:
CBSE Class 10 Syllabus For Maths: Internal Assessment 

Regular Class Test / Periodical Test 
10 Marks 
Assignments and Activity 
5 Marks 
NoteBook Submission 
5 Marks 
Deleted CBSE Class 10 Maths Syllabus 

Chapter 
Topics removed 
UNIT INUMBER SYSTEMS 

REAL NUMBERS 
Euclid’s division lemma 
UNIT IIALGEBRA 

POLYNOMIALS 
Statement and simple problems on division algorithm for polynomials with real coefficients. 
PAIR OF LINEAR EQUATIONS IN TWO VARIABLES 
cross multiplication method 
QUADRATIC EQUATIONS 
Situational problems based on equations reducible to quadratic equation 
ARITHMETIC PROGRESSIONS 
Application in solving daily life problems based on sum to n terms 
UNIT IIICOORDINATE GEOMETRY 

COORDINATE GEOMETRY 
Area of a triangle. 
UNIT IVGEOMETRY 

TRIANGLES 
Proof of the following theorems are deleted

CIRCLES 
No deletion 
CONSTRUCTIONS 
Construction of a triangle similar to a given triangle. 
UNIT V TRIGONOMETRY 

INTRODUCTION TO TRIGONOMETRY 
motivate the ratios whichever are defined at 0^{o} and 90^{o} 
TRIGONOMETRIC IDENTITIES 
Trigonometric ratios of complementary angles 
HEIGHTS AND DISTANCES 
No deletion 
UNIT VIMENSURATION 

AREAS RELATED TO CIRCLES 
Problems on central angle of 120° 
SURFACE AREAS AND VOLUMES 
Frustum of a cone. 
UNIT VISTATISTICS & PROBABILITY 

STATISTICS 
Step deviation Method for finding the mean Cumulative Frequency graph 
PROBABILITY 
No deletion 
Download ChapterWise NCERT Textbooks For CBSE Class 10 Maths 2020
Here you can easily download the ChapterWise Class 10 NCERT Textbooks PDF. You can find the NCERT Class 10 Maths Textbooks in Hindi and English With solutions.
Class 10 Maths Books For English Medium
Here you can download CBSE Class 10 Maths Books in English PDF for free.
 CBSE Class 10 Maths Chapter 1: Real Numbers
 CBSE Class 10 Maths Chapter 2: Polynomials
 CBSE Class 10 Maths Chapter 3: Pair of Linear Equations in Two Variables
 CBSE Class 10 Maths Chapter 4: Quadratic Equations
 CBSE Class 10 Maths Chapter 5: Arithmetic Progression
 CBSE Class 10 Maths Chapter 6: Triangles
 CBSE Class 10 Maths Chapter 7: Coordinate Geometry
 CBSE Class 10 Maths Chapter 8: Introduction to Trigonometry
 CBSE Class 10 Maths Chapter 9: Some Applications of Trigonometry
 CBSE Class 10 Maths Chapter 10: Circles
 CBSE Class 10 Maths Chapter 11: Constructions
 CBSE Class 10 Maths Chapter 12: Area Related to Circles
 CBSE Class 10 Maths Chapter 13: Surface Areas and Volumes
 CBSE Class 10 Maths Chapter 14: Statistics
 CBSE Class 10 Maths Chapter 15: Probability
 Download CBSE Class 10 Maths Answers PDF
Class 10 Maths Books For Hindi Medium – कक्षा 10 गणित की किताबें
Here you can download CBSE Class 10 Maths Books in Hindi PDF for free.
 कक्षा 10 गणित पाठ 1: वास्तविक संख्याएँ
 कक्षा 10 गणित पाठ 2: बहुपद
 कक्षा 10 गणित पाठ 3: दो चर वाले रैखिक समीकरण युग्म
 कक्षा 10 गणित पाठ 4: द्विघात समीकरण
 कक्षा 10 गणित पाठ 5: समांतर श्रेढियाँ
 कक्षा 10 गणित पाठ 6: त्रिभुज
 कक्षा 10 गणित पाठ 7: निर्देशांक ज्यामिति
 कक्षा 10 गणित पाठ 8: त्रिकोणमिति का परिचय
 कक्षा 10 गणित पाठ 9: त्रिकोणमिति के कुछ अनुप्रयोग
 कक्षा 10 गणित पाठ 10: वृत
 कक्षा 10 गणित पाठ 11: रचनाएँ
 कक्षा 10 गणित पाठ 12: वृत्तों से संबंधित क्षेत्रफल
 कक्षा 10 गणित पाठ 13: पृष्ठीय क्षेत्रफल और आयतन
 कक्षा 10 गणित पाठ 14: सांख्यिकी
 कक्षा 10 गणित पाठ 15: प्रायिकता
 कक्षा 10 गणित उत्तर
Along with above study materials, you can also download NCERT Solutions for Class 10 Maths.
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