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CBSE deleted syllabus of 10th class 2020-21 for Mathematics- Check for the latest updated syllabus from CBSE

CBSE deleted syllabus of 10th class 2020-21 for Mathematics

CBSE deleted syllabus of 10th class 2020-21 for Mathematics

As per the latest announcement by Central Board of Secondary Education regarding reducing the syllabus by 30%, subject wise declaration has been made too. Students have been eager to be intimated about the deletion of topics considering half of the financial year has gone by. This article caters to the CBSE deleted syllabus 10th class subject that would not be addressed in the Board examination.

Central Board of Secondary Education took this step considering the pandemic and the loss of studies it caused to the students for not attending schools. The current mode of learning for school students since March 2020 to till date has been a virtual classroom (the online mode). This mode has caused for students to miss out on a lot of their topics. This led CBSE to reduce a major chink of syllabus from the usual.

In this article, you will be provided with the CBSE deleted syllabus of 10th class for Mathematics.

CHAPTERTOPICS deleted from the syllabus
UNIT I- NUMBER SYSTEMReal NumbersEuclid’s division lemma



PolynomialsStatement & simple problems on division algorithm for polynomials with real coefficients
Pair of linear equations in two variablesCross-multiplication method
Quadratic equationsSituational problems based on equations reducible to quadratic equations
Arithmetic ProgressionsApplication in solving daily life problems based on sum to n terms
UNIT III- COORDINATE GEOMETRYCoordinate GeometryArea of Triangle




TrianglesProof of below theorems-

1.The ratio of area of two similar triangles is equal to the ratio of the squares of their corresponding sides.

2.In a triangle, if the square on one side is equal to the sum of square on the other two side, the angle opposite to the first side is a right angle.

CirclesNothing deleted
ConstructionConstruction of a triangle similar to a given triangle




Introduction of TrigonometryMotivate the ratios whichever are defined at 0 degree and 90 degree
Trigonometric IdentitiesTrigonometric ratios of complementary angles
Heights and DistancesNothing deleted
Areas related to CircleProblems on central angle of 120degree
Surface areas and volumesFrustum of a cone
UNIT VI- STATISTICS & PROBABILITYStatistics1.Step deviation method for finding mean

2.Cumulative frequency graph

ProbabilityNothing deleted


Class 10th students are advised to refer to the NCERT books for topics and preparation.

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Khushboo Chauhan

Hi, I am Khushboo. Engineer by profession and writer by heart. I love drafting words creatively. I write research based articles on academics, current news. I hold a special inclination towards poetry.