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## CBSE Class 10 Maths Syllabus – Units and its Weightage Marks

Units | Unit Name | Marks |

I | NUMBER SYSTEMS | 06 Marks |

II | ALGEBRA | 20 Marks |

III | COORDINATE GEOMETRY | 06 Marks |

IV | GEOMETRY | 15 Marks |

V | TRIGONOMETRY | 12 Marks |

VI | MENSURATION | 10 Marks |

VII | STATISTICS & PROBABILTY | 11 Marks |

| Total | 80 Marks |

### CBSE Class X 2019 Maths Syllabus

CBSE Class 10 Maths Syllabus:

**UNIT I : NUMBER SYSTEMS**

**Real Numbers (15 Periods)**

Euclid’s division lemma, Fundamental Theorem of Arithmetic – statements after reviewing work done earlier and after illustrating and motivating through examples, Proofs of the irrationality of Decimal representation of rational numbers in terms of terminating/non-terminating recurring decimals.

**UNIT II: ALGEBRA**

**Polynomials (7 Periods)**

Zeros of a polynomial. Relationship between zeros and coefficients of quadratic polynomials. Statement and simple problems on division algorithm for polynomials with real coefficients.

**Pair of Linear Equations in Two Variables (15 Periods)**

Pair of linear equations in two variables and graphical method of their solution, consistency/inconsistency.

Algebraic conditions for a number of solutions. The solution of a pair of linear equations in two variables algebraically – by substitution, by elimination and by cross multiplication method. Simple situational problems. Simple problems on equations reducible to linear equations.

**Quadratic Equations (15 Periods)**

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

Situational problems based on quadratic equations related to day to day activities to be incorporated.

**Arithmetic Progressions (8 Periods)**

The motivation for studying Arithmetic Progression Derivation of the n^{th} term and sum of the first n terms of an A.P. and their application in solving daily life problems.

**UNIT III: COORDINATE GEOMETRY**

**Lines (In two-dimensions) (14 Periods)**

Review: Concepts of coordinate geometry, graphs of linear equations. Distance formula. Section formula (internal division). Area of a triangle.

**UNIT IV: GEOMETRY**

**Triangles (15 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 ratio.
- (Motivate) If a line divides two sides of a triangle in the same ratio, the line is parallel to the third side.
- (Motivate) If in two triangles, the corresponding angles are equal, their corresponding sides are proportional and the triangles are similar.
- (Motivate) If the corresponding sides of two triangles are proportional, their corresponding angles are equal and the two triangles are similar.
- (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 similar.
- (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 other.
- (Prove) The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides.
- (Prove) In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides.
- (Prove) In a triangle, if the square on one side is equal to the sum of the squares on the other two sides, the angles opposite to the first side is a right angle.

**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 contact.
- (Prove) The lengths of tangents drawn from an external point to a circle are equal.

**Constructions (8 Periods)**

- Division of a line segment in a given ratio (internally).
- Tangents to a circle from a point outside it.
- Construction of a triangle similar to a given triangle.

**UNIT V: TRIGONOMETRY**

**Introduction to Trigonometry (10 Periods)**

Trigonometric ratios of an acute angle of a right-angled triangle. Proof of their existence (well defined); motivate the ratios whichever are defined at 0^{o} and 90^{o}. Values (with proofs) of the trigonometric ratios of 30^{o}, 45^{o} and 60^{o}. Relationships between the ratios.

**Trigonometric Identities (15 Periods)**

Proof and applications of the identity sin^{2}A + cos^{2}A = 1. Only simple identities to be given. Trigonometric ratios of complementary angles.

**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^{o}, 45^{o}, 60^{o}.

**UNIT VI: MENSURATION**

**Areas Related to Circles (12 Periods)**

CBSE Class 10 Maths Syllabus: 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 the area of segment of a circle, problems should be restricted to a central angle of 60°, 90°, and 120° only. Plane figures involving triangles, simple quadrilaterals and circle should be taken.)

**Surface Areas and Volumes (12 Periods)**

- Surface areas and volumes of combinations of any two of the following: cubes, cuboids, spheres, hemispheres and right circular cylinders/cones. Frustum of a cone.
- 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 (18 Periods)**

Mean, median and mode of grouped data (bimodal situation to be avoided). Cumulative frequency graph.

**Probability (10 Periods)**

The classical definition of probability. Simple problems on single events (not using set notation).

## Class 10 CBSE Maths Syllabus Internal Assessment

Internal Assessment | 20 marks |

Periodic Test | 10 marks |

Lab Practical | 05 marks |

Notebook Submission | 05 marks |

### Recommended Books for CBSE Maths Syllabus Class 10 – 2019

- Mathematics – Textbook for class X – NCERT Publication
- Laboratory Manual – Mathematics, secondary stage – NCERT Publication
- Mathematics exemplar problems for class X, NCERT publication.
- Guidelines for Mathematics Laboratory in Schools, class X – CBSE Publication

## Question Paper Design for 2019 of Maths CBSE Syllabus of 10th Class

Typology of Questions | Number of questions of different types | Total Marks |

Remembering (Knowledge-based-Simple recall questions, to know specific facts, terms, concepts, principles or theories; Identity, define, or recite information) | VSA – 2 | 20 Marks |

SA (I) – 2 | ||

SA (II) – 2 | ||

LA – 2 | ||

Understanding (Comprehension- to be familiar with the meaning and to understand conceptually, interpret, compare, contrast, explain, paraphrase, or interpret information) | VSA – 2 | 23 Marks |

SA (I) – 1 | ||

SA (II) – 1 | ||

LA – 4 | ||

Application (Use abstract information in a concrete situation, to apply knowledge to the new situation; Use given content interpret a situation, provide an example, or solve a problem) | VSA – 2 | 19 Marks |

SA (I) – 2 | ||

SA (II) – 3 | ||

LA – 1 | ||

Higher Order Thinking Skills(Analysis & Synthesis-Classify, compare, contrast, or differentiate between different pieces of information; Organize and /or integrate unique pieces of information from a variety of sources) | VSA – None | 14 Marks |

SA (I) – 1 | ||

SA (II) – 4 | ||

LA – None | ||

Evaluation ( Judge, and/or justifythe value or worth of a decision or the outcome, or to predict outcomes based on values) | VSA – None | 4 Marks |

SA (I) – None | ||

SA (II) – None | ||

LA -1 | ||

Total | | 80 Marks |

Download PDF Link for CBSE Class 10 Maths Syllabus 2018 – 2019 | Click Here |

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