# ISC Class 11 Mathematics Syllabus 2024-25

CISCE has released the Latest Updated Syllabus of the New Academic Session 2024-25, for class 11. It is available under the ‘‘Regulations and Syllabuses’ page of ISC 2026 on www.cisce.org.

Class 11th Syllabus has been released by CISCE. It’s very important for both Teachers and Students to understand the changes and strictly follow the topics covered in each subject under each stream for Class 11th.

We have also updated Oswal Gurukul Books as per the Latest Paper Pattern prescribed by CISCE Board for each Subject Curriculum.

Students can directly access the ISC Mathematics Syllabus for Class 11 of the academic year 2024-25 by clicking on the link below.

## ISC Mathematics Class 11 Latest Syllabus 2024-25

There will be two papers in the subject:

Paper I: Theory - 3 hours ... 80 marks

Paper II: Practical - 3 hours ... 20 marks

## Distribution Of Marks For The Theory Paper

 S.No. UNIT TOTAL WEIGHTAGE SECTION A: 65 Marks 1. Sets and Functions 20 Marks 2. Algebra 24 Marks 3. Coordinate Geometry 8 Marks 4. Calculus 6 Marks 5. Statistics & Probability 7 Marks SECTION B: 15 marks 6. Conic Section 7 Marks 7. Introduction to Three-Dimensional Geometry 5 Marks 8. Mathematical Reasoning 3 Marks OR SECTION C: 15 Marks 9. Statistics 5 Marks 10. Correlation Analysis 4 Marks 11. Index Numbers & Moving Averages 6 Marks TOTAL 80 Marks

SECTION A

1. Sets and Functions

(i) Sets

Sets and their representations. Empty set. Finite and Infinite sets. Equal sets. Subsets. Subsets of a set of real numbers especially intervals (with notations). Power set. Universal set. Venn diagrams. Union and Intersection of sets. Difference of sets. Complement of a set. Properties of Complement of Sets.

(ii) Relations & Functions

Ordered pairs, Cartesian product of sets. Number of elements in the cartesian product of two finite sets. Cartesian product of the set of reals with itself (upto R x R x R). Definition of relation, pictorial diagrams, domain, co-domain and range of a relation. Function as a special type of relation. Function as a type of mapping, domain, codomain and range of a function. Real valued functions, domain and range of these functions, constant, identity, polynomial, rational, modulus, signum, exponential, logarithmic and greatest integer functions. Sum, difference, product and quotient of functions.

• Sets: Self-explanatory.
• Basic concepts of Relations and Functions

- Ordered pairs, sets of ordered pairs.

- Cartesian Product (Cross) of two sets, cardinal number of a cross product. Relations as:

- an association between two sets.

- a subset of a Cross Product.

- Domain, Range and Co-domain of a Relation.

- Functions:

- As special relations, concept of writing “y is a function of x” as y = f(x).

- Domain and range of a function.

(iii) Trigonometry

Positive and negative angles. Measuring angles in radians and in degrees and conversion from one measure to another. Definition of trigonometric functions with the help of unit circle. Truth of the identity sin2x+cos2x=1, for all x. Signs of trigonometric functions. Domain and range of trignometric functions and their graphs. Expressing sin (x±y) and cos (x±y) in terms of sinx, siny, cosx & cosy and their simple applications. Deducing the identities like the following:

$$\text{tan}(x\pm y) = \frac{\text{tan x}\pm\text{tan y}}{1\mp\text{tan x tan y}},\\\text{cot}(x\pm y) = \frac{\text{cot x cot y}\mp1}{\text{cot y}\pm \text{cot x}}\\\text{sin}\alpha\pm\text{sin}\beta\\ = 2\text{sin}\frac{1}{2}(\alpha\pm\beta)\text{cos}\frac{1}{2}(\alpha\mp\beta)\\\text{cos}\alpha + \text{cos}\beta=\\ 2\text{cos}\frac{1}{2}(\alpha + \beta)\text{cos}\frac{1}{2}(\alpha - \beta)\\\text{cos}\alpha - \text{cos}\beta = -2\text{sin}\frac{1}{2}(\alpha + \beta)\\\text{sin}\frac{1}{2}(\alpha - \beta)$$

Identities related to sin 2x, cos2x, tan 2x, sin3x, cos3x and tan3x.

• Angles and Arc lengths

- Angles: Convention of sign of angles.

- Magnitude of an angle: Measures of Angles; Circular measure.

- The relation S = rθ where θ is in radians. Relation between radians and degree.

- Definition of trigonometric functions with the help of unit circle.

- Truth of the identity sin2x+cos2x=1

NOTE: Questions on the area of a sector of a circle are required to be covered.

• Trigonometric Functions

-Relationship between trigonometric functions.

- Proving simple identities.

- Signs of trigonometric functions.

- Domain and range of the trigonometric functions.

- Trigonometric functions of all angles.

- Periods of trigonometric functions.

- Graphs of simple trigonometric functions (only sketches).

NOTE: Graphs of sin x, cos x, tan x, sec x, cosec x and cot x are to be included.

• Compound and multiple angles

$$\text{sin}(A\pm B);\space \text{cos}(A\pm B);\\\text{tan}(A\pm B);\\\text{tan}(A + B + C)\space\text{etc}.$$

Double angle, triple angle, half angle and one third angle formula as special cases.

- Sum and differences as products

$$\text{sin}\text{C} + \text{sin}\text{D}\\=\text{2 sin}\bigg(\frac{\text{C + D}}{2}\bigg)\text{cos}\bigg(\frac{\text{C - D}}{2}\bigg),\\etc.$$

- Product to sum or difference i.e. 2sinAcosB = sin (A + B) + sin (A – B) etc.

2. Algebra

(i) Complex Numbers

Introduction of complex numbers and their representation, Algebraic properties of complex numbers. Argand plane and polar representation of complex numbers. Square root of a complex number. Cube root of unity.

- Conjugate, modulus and argument of complex numbers and their properties.

- Sum, difference, product and quotient of two complex numbers additive and multiplicative inverse of a complex number.

- Square root of a complex number.

- Cube roots of unity and their properties.

Statement of Fundamental Theorem of Algebra, solution of quadratic equations (with real coefficients).

• Use of the formula:

$$x =\frac{-b\pm\sqrt{b^{2} - 4ac}}{2a}$$

• Equations reducible to quadratic form.
• Nature of roots

− Product and sum of roots.

− Roots are rational, irrational, equal, reciprocal, one square of the other.

− Complex roots.

− Framing quadratic equations with given roots.

NOTE: Questions on equations having common roots are to be covered.

Givenα, β as roots then find the equation whose roots are of the form α3 , β3 etc.

Case I: a > 0

• Real roots
• Complex roots
• Equal roots

Case II: a < 0

• Real roots
• Complex roots,
• Equal roots

Where ‘a’ is the coefficient of x2 in the equations of the form ax2 + bx + c = 0.

Sign when the roots are real and when they are complex.

• Inequalities

- Linear Inequalities

Algebraic solutions of linear inequalities in one variable and their representation on the number line.

Self-explanatory.

Using method of intervals for solving problems of the type:

A perfect square

e.g. x2- 6x + 9 ≥ 0

Inequalities involving rational expression of type

$$\frac{f(x)}{g(x)}\leq a. \text{etc}.\\\text{to be covered.}$$

(iii) Permutations and Combinations

Fundamental principle of counting. Factorial n. (n!) Permutations and combinations, derivation of formulae for nPr and nCr and their connections, simple application.

• Factorial notation n! , n! =n (n-1)!
• Fundamental principle of counting.
• Permutations

- nPr .

- Restricted permutation.

- Certain things always occur
together.

- Certain things never occur.

- Formation of numbers with digits.

- Word building - repeated letters - No letters repeated.

- Permutation of alike things.

- Permutation of Repeated things.

- Circular permutation – clockwise counterclockwise – Distinguishable / not distinguishable

• Combinations

$$- \space ^n\text{C}_{r}, \space ^n\text{C}_{n} = 1,\\ ^n\text{C}_0 = 1,\\ ^{n}\text{C}_{r} = \space ^{n}\text{C}_{n-r}$$

$$^nC_x = ^nC_y, then \space x + y = n \space or x = y, ^{n+1}C_r = ^n C_{r-1} + ^nC_r .$$

-  When all things are different.

-  When all things are not different.

-  Mixed problems on permutation and combinations.

(iv) Binomial Theorem

History, statement and proof of the binomial theorem for positive integral indices. Pascal's triangle, General and middle term in binomial expansion, simple applications.

• Significance of Pascal’s triangle.
• Binomial theorem (proof using induction) for positive integral powers,

i.e. (x + y)n = nC0xn + nC1xn-1y+....+ nCn yn

Questions based on the above.

(v) Sequence and Series

Sequence and Series. Arithmetic Progression (A.P.). Arithmetic Mean (A.M.) Geometric Progression (G.P.), general term of a G.P., sum of first n terms of a G.P., infinite G.P. and its sum, geometric mean (G.M.), relation between A.M. and G.M. Formulae for the following specialsums

$$\Sigma n,\Sigma n^{2},\Sigma n^{3}$$

• Arithmetic Progression (A.P.)

-  Tn = a + (n - 1)d

$$-\space\text{T}_{n} = a + (n-1)d\\-\space \text{S}_{n} =\frac{n}{2}\lbrace 2a + (n-1)d\rbrace$$

- Arithmetic mean: 2b = a + c

- Inserting two or more arithmetic means between any two numbers.

- Three terms in A.P. : a - d, a, a + d

- Four terms in A.P.: a - 3d, a - d, a + d, a + 3d

• Geometric Progression (G.P.)

$$\text{T}_{n} = ar^{n-1},\\\text{S}_{n} = \frac{a(r^{n}-1)}{\text{r-1}}\\-\space \text{S}_{\infty} =\frac{a}{1-r};|r|\lt1\\\text{Geometric Mean,}\space b =\sqrt{ac}$$

Inserting two or more Geometric Means between any two numbers.

- Three terms are in G.P. ar, a, ar-1

- Four terms are in GP ar3 , ar, ar-1, ar-3

• Special sums

$$\Sigma n, \Sigma n^{2}, \Sigma n^{3}$$

Using these summations to sum up other related expression.

3. Coordinate Geometry

(i) Straight Lines

Brief recall of two-dimensional geometry from earlier classes. Shifting of origin. Slope of a line and angle between two lines. Various forms of equations of a line: parallel to axis, point-slope form, slopeintercept form, two-point form, intercept form and normal form. General equation of a line. Equation of family of lines passing through the point of intersection of two lines. Distance of a point from a line.

• Basic concepts of Points and their coordinates.
• The straight line

- Slope or gradient of a line.

- Angle between two lines.

- Condition of perpendicularity and parallelism.

- Various forms of equation of lines.

- Slope intercept form.

- Two-point slope form.

- Intercept form.

- Perpendicular /normal form.

- General equation of a line.

- Distance of a point from a line.

- Distance between parallel lines.

- Equation of lines bisecting the angle between two lines.

- Equation of family of lines

- Definition of a locus.

- Equation of a locus.

(ii) Circles

• Equations of a circle in:

- Standard form.

- Diameter form.

- General form.

- Parametric form.

• Given the equation of a circle, to find the centre and the radius.
• Finding the equation of a circle.

- Given three non collinear points.

- Given other sufficient data for example centre is (h, k) and it lies on a line and two points on the circle are given, etc.

4. Calculus

Limits and Derivatives

Derivative introduced as rate of change both as that of distance function and geometrically.

Intuitive idea of limit. Limits of polynomials and rational functions trigonometric, exponential and
logarithmic functions. Definition of derivative relate it to scope of tangent of the curve, Derivative of sum, difference, product and quotient of functions. Derivatives of polynomial and trigonometric functions.

• Limits

- Notion and meaning of limits.

- Fundamental theorems on limits (statement only).

- Limits of algebraic and trigonometric functions.

NOTE: Indeterminate forms are to be introduced while calculating limits.

• Differentiation

- Meaning and geometrical interpretation of derivative.

- Derivatives of simple algebraic and trigonometric functions and their formulae.

- Differentiation using first principles.

- Derivatives of sum/difference.

- Derivatives of product of functions. Derivatives of quotients of functions.

5. Statistics and Probability

(i) Statistics

Measures of dispersion: range, mean deviation, variance and standard deviation of ungrouped/grouped data.

• Standard deviation - by direct method, short cut method and step deviation method.

NOTE: Mean, Median and Mode of grouped and ungrouped data are required to be covered.

(ii) Probability

Random experiments; outcomes, sample spaces (set representation). Events; occurrence of events, 'not', 'and' and 'or' events, exhaustive events, mutually exclusive events, Axiomatic (set theoretic) probability, connections with other theories studied in earlier classes. Probability of an event, probability of 'not', 'and' and 'or' events.

• Random experiments and their outcomes.
• Events: sure events, impossible events, mutually exclusive and exhaustive events.

- Definition of probability of an event

- Laws of probability addition theorem

Section B

6. Conic Section

Sections of a cone, ellipse, parabola, hyperbola, a point, a straight line and a pair of intersecting lines as a degenerated case of a conic section. Standard equations and simple properties of parabola, ellipse and hyperbola.

• Conics as a section of a cone.

- Definition of Foci, Directrix, Latus Rectum.

- PS = ePL where P is a point on the conics, S is the focus, PL is the perpendicular distance of the point from
the directrix.

(i) Parabola

e = 1, y2 = ± 4ax, x2 = 4ay, y2 = -4ax, x2 = -4ay.

- Rough sketch of the above.

- The latus rectum; quadrants they lie in; coordinates of focus and vertex; and equations of directrix and the
axis.

- Finding equation of Parabola when

Foci and directrix are given, etc.

- Application questions based on the above.

(ii) Ellipse

$$-\space \frac{x^{2}}{a^{2}} + \frac{y^{2}}{b^{2}}= 1\\e\lt 1, b^{2} = a^{2}(1 - e^{2})$$

- Cases when a > b and a < b.

- Rough sketch of the above.

- Major axis, minor axis; latus rectum; coordinates of vertices, focus and centre; and equations of directrices and the axes.

- Finding equation of ellipse when focus and directrix are given.

- Simple and direct questions based on the above.

- Focal property i.e. SP + SP′ = 2a.

(iii) Hyperbola

$$-\space \frac{x^{2}}{a^{2}}- \frac{y^{2}}{b^{2}} = 1,\\ e\gt1, b^{2} = a^{2}(e^{2}-1)$$

-Cases when coefficient y2 is negative and coefficient of x2 is negative.

- Rough sketch of the above.

- Focal property i.e. SP - S’P = 2a.

- Transverse and Conjugate axes; Latus rectum; coordinates of vertices, foci and centre; and equations of the directrices and the axes.

7. Introduction to three-dimensional Geometry

Coordinate axes and coordinate planes in three dimensions. Coordinates of a point. Distance between two points and section formula.

- As an extension of 2-D

- Distance formula.

- Section and midpoint form

8. Mathematical Reasoning

Mathematically acceptable statements. Connecting words/ phrases - consolidating the understanding of "if and only if (necessary and sufficient) condition", "implies", "and/or", "implied by", "and", "or", "there exists" and
their use through variety of examples related to the Mathematics and real life. Validating the statements involving the connecting words, Difference between contradiction, converse and contrapositive.

Self-explanatory

Section C

9. Statistics

• Combined mean and standard deviation.
• The Median, Quartiles and Mode of grouped and ungrouped data.

10. Correlation Analysis

• Definition and meaning of covariance
• Coefficient of Correlation by Karl Pearson.

$$\text{If}\space x-\bar{x}, y-\bar{y}$$

are small non fractional numbers we use

$$r =\\ \frac{\Sigma(x-\bar{x})(y-\bar{y})}{\sqrt{\Sigma(x-\bar{x})^{2}}\sqrt{\Sigma(y - \bar{y})^{2}}}$$

If x and y are small numbers, we use

Otherwise, we use assumed means A and B, where u = x-A, v = y-B

$$r = \\\frac{\Sigma uv - \frac{1}{n}(\Sigma u)(\Sigma v)}{\sqrt{\Sigma u^{2} -\frac{1}{N}(\Sigma u)^{2}}\sqrt{\Sigma v^{2} - \frac{1}{N}(\Sigma v)^{2}}}$$

11. Index Numbers and Moving Averages

(i) Index Numbers

- Price index or price relative.

- Simple aggregate method.

- Weighted aggregate method.

- Simple average of price relatives.

- Weighted average of price relatives (cost of living index, consumer price index).

(ii) Moving Averages

- Meaning and purpose of the moving averages.

- Calculation of moving averages with the given periodicity and plotting them on a graph.

- If the period is even, then the centered moving average is to be found out and plotted.

## Paper II - Project Work - 20 Marks

Candidates will be expected to have completed two projects, one from Section A and one from either Section B or Section C.

Mark allocation for each Project [10 marks]:

## Internal Assessment

 Description 10 Marks Overall format 1 mark Content 4 marks Findings 2 marks Viva-voce based on the Project 3 marks Total 10 marks

## 2023-24 Reduced Syllabus

(for reference purposes only)

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