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# Important Topics for CBSE Class 10 Mathematics

Here we list some important topics based on their weightage in the examination.

The table below shows the unit-wise weightage for mathematics.

 Units Marks II ALGEBRA (Contd.) 23 III GEOMETRY (Contd.) 17 IV TRIGONOMETRY (Contd.) 08 V PROBABILITY 08 VI COORDINATE GEOMETRY 11 VII MENSURATION 23 TOTAL 90

Chapter wise Important Concepts:

Arithmetic progression:

- Problems involving nth term of an A.P. and sum of ‘n’ terms of an A.P.

- Finding roots of a quadratic equation by different methods.

- Problems involving elation between discriminant and nature of roots.

Coordinate Geometry:

- Distance formula, section formula and area of a triangle formula.

Areas related to circles:

- Finding area of sectors and segments of a circle.

Surface areas and Volumes:

- Problems involving surface areas and volumes of cubes, cuboids, spheres, cylinders or cones.

- Problems involving melting and converting one type of solid to another.

Probability:

- Probability problems involving cards, dices, tossing of coins etc.

- Finding total number of outcomes and favourable number of outcomes for different events.

Circles:

- Proof of theorems on property of tangent and length of tangent drawn from an external point to a circle.

- Problems involving tangents, chords and radii of a circle

Constructions:

- Construction of tangent to a circle from a point outside it.

- Construction of similar triangles.

Heights and Distances:

- Problems on angle of elevation and angle of depression.

Related post:

Exam preparation tips for CBSE Class 10 Mathematics

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