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# 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.

 CHAPTER TOPICS deleted from the syllabus UNIT I- NUMBER SYSTEM Real Numbers Euclid’s division lemma UNIT II- ALGEBRA Polynomials Statement & 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 equations Arithmetic Progressions Application in solving daily life problems based on sum to n terms UNIT III- COORDINATE GEOMETRY Coordinate Geometry Area of Triangle UNIT IV- GEOMETRY Triangles Proof 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. Circles Nothing deleted Construction Construction of a triangle similar to a given triangle UNIT V- TRIGONOMETRY Introduction of Trigonometry Motivate the ratios whichever are defined at 0 degree and 90 degree Trigonometric Identities Trigonometric ratios of complementary angles Heights and Distances Nothing deleted Areas related to Circle Problems on central angle of 120degree Surface areas and volumes Frustum of a cone UNIT VI- STATISTICS & PROBABILITY Statistics 1.Step deviation method for finding mean 2.Cumulative frequency graph Probability Nothing deleted

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

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Read Also :   CBSE deleted syllabus of Science-10th Class,2020 : Get detailed list of deleted topics of Social Science for 2020-21

### 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.