**Updated CBSE CLASS X Mathematics Syllabus: 2018-19

Hi friends, today we are going to discuss you the latest Syllabus of Class 10 Mathematics Syllabus (SST). As you know very well that Central Board of Secondary Education (CBSE) has its own curriculum and they hold the supreme authority to change it further for the benefit of students.

Updated CBSE CLASS X Mathematics Syllabus 2018-19, CBSE Class 10th Mathematics Syllabus, CBSE Class 10th Mathematics Syllabus 2018, Xth Class Mathematics Theory Syllabus, Xth Class Mathematics Practical Syllabus, Syllabus of Class X Mathematics Syllabus

Updated CBSE CLASS X Mathematics Syllabus 2018-19

So it’s always a wise decision to keep an eye on what happening around with the subject you are going to learn. This year CBSE made little bit changes in class X Mathematics syllabus. Let us have a look at the updated CBSE class 10 Mathematics Syllabus for the academic year 2017-18

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CBSE class 10 Mathematics Syllabus (2018-19 Session)


                             COURSE STRUCTURE CLASS -X

Units Unit Name Marks
I NUMBER SYSTEMS 06
II ALGEBRA 20
III COORDINATE GEOMETRY 06
IV GEOMETRY 15
V TRIGONOMETRY 12
VI MENSURATION 10
VII STATISTICS & PROBABILITY 11
Total 80

UNIT I: NUMBER SYSTEMS

1. 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 2, 3, 5 Decimal representation of rational numbers in terms of terminating/non-terminating recurring decimals.

    UNIT II: ALGEBRA

1. POLYNOMIALS (7 Periods)
Zeros of a polynomial. The relationship between zeros and coefficients of quadratic polynomials. Statement and simple problems on division algorithm for polynomials with real coefficients.

2. 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. A 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.

3. QUADRATIC EQUATIONS (15 Periods)
Standard form of a quadratic equation ax2 + bx + c = 0, (a ≠ 0). Solutions of quadratic equations (only real roots) by factorization, by completing the square and by using the quadratic formula. The relationship between discriminant and nature of roots.
Situational problems based on quadratic equations related to day to day activities to be incorporated.

4. ARITHMETIC PROGRESSIONS (8 Periods)
The motivation for studying Arithmetic Progression Derivation of the nth term and some of the first n terms of A.P. and their application in solving daily life problems.

UNIT III: COORDINATE GEOMETRY

1. 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

1. TRIANGLES (15 Periods)
Definitions, examples, counter examples of similar triangles.
1. (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.
2. (Motivate) If a line divides two sides of a triangle in the same ratio, the line is parallel to the third side.
3. (Motivate) If in two triangles, the corresponding angles are equal, their
corresponding sides are proportional and the triangles are similar.
4. (Motivate) If the corresponding sides of two triangles are proportional, their corresponding angles are equal and the two triangles are similar.
5. (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.
6. (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.
7. (Prove) The ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides.
8. (Prove) In a right triangle, the square on the hypotenuse is equal to the sum of the squares on the other two sides.
9. (Prove) In a triangle, if the square on one side is equal to some of the squares on the other two sides, the angles opposite to the first side is a right angle.

2. CIRCLES (8) Periods
Tangent to a circle at, a point of contact
1. (Prove) The tangent at any point of a circle is perpendicular to the radius through the point of contact.
2. (Prove) The lengths of tangents drawn from an external point to a circle are equal.

3. CONSTRUCTIONS   (8) Periods
1. Division of a line segment in a given ratio (internally).
2. Tangents to a circle from a point outside it.
3. Construction of a triangle similar to a given triangle.

  UNIT V: TRIGONOMETRY

1. 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 0O and 90O. Values (with proofs) of the trigonometric ratios of 30O, 45O and 60O. Relationships between the ratios.

2. TRIGONOMETRIC IDENTITIES  (15) Periods
Proof and applications of the identity sin2A + cos2A = 1. Only simple identities to be given. Trigonometric ratios of complementary angles.

3. HEIGHTS AND DISTANCES: Angle of elevation, Angle of Depression.
                                                          (8) Periods
Simple problems with heights and distances. Problems should not involve more than two right triangles. Angles of elevation/depression should be only 30O, 45O, 60O.

 UNIT VI: MENSURATION

1. AREAS RELATED TO CIRCLES (12) 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 the area of a 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.)
2. SURFACE AREAS AND VOLUMES (12) Periods
1. 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.
2. Problems involving converting one type of metallic solid into another and other mixed problems. (Problems with a combination of not more than two different solids be taken).

UNIT VII: STATISTICS AND PROBABILITY

1. STATISTICS (18 Periods)
Mean, median and mode of grouped data (the bimodal situation to be avoided). Cumulative frequency graph.

2. PROBABILITY (10 Periods)
The classical definition of probability. Simple problems on single events (not using set notation).

         QUESTIONS PAPER DESIGN 2017–18
       CLASS–X

S. No. Typology of Questions Very Short Answer (VSA) (1 Mark) Short Answer -I (SA) (2 Marks) Short Answer -II (SA) (3 Marks) Long Answer (LA) (4 Marks) Total Marks % Weightage (approx.)
1 Remembering (Knowledge-based- Simple recall questions, to know specific facts, terms, concepts, principles or theories; Identity, define, or recipe information) 2 2 2 2 20 25%
2 Understanding (Comprehension to be familiar with the meaning and to understand conceptually, interpret, compare, contrast, explain, paraphrase, or interpret information) 2 1 1 4 23 29%
3 Application (Use the abstract information in a concrete situation, to apply knowledge to a new situation; Use given content to interpret a situation, provide an example, or solve a problem) 2 2 3 1 19 24%
4 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 ) 1 4 14 17%
5 Evaluation ( Judge, and/or justify the value or worth of a decision or outcome, or to predict outcomes based on values) 1 4 5%
Total 6×1=6 6×2 =12 10×3 =30 8×4 =32 80 100%

Note: One of the LA will be to assess the values inherent in the texts.

INTERNAL ASSESSMENT                                               20 Marks

  • Periodical Test                                                     10 Marks
  • NoteBook Submission                                       05 Marks
  •  Lab Practical (Lab activities to be done from the prescribed books)  (05 Marks)

PRESCRIBED BOOKS:
1. Mathematics – Textbook for class IX – NCERT Publication
2. Mathematics – Textbook for class X – NCERT Publication
3. Guidelines for Mathematics Laboratory in Schools, class IX – CBSE Publication
4. Guidelines for Mathematics Laboratory in Schools, class X – CBSE Publication
5. Laboratory Manual – Mathematics, secondary stage – NCERT Publication
6. Mathematics exemplar problems for class IX, NCERT publication.
7. Mathematics exemplar problems for class X, NCERT publication.

Note: NCERT Books Download for Free

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