# ICSE Class 10 Mathematics Syllabus PDF In English

### MATHEMATICS 2022-23 REVISED SYLLABUS

#### 1. Commercial Mathematics

(i) Goods and Services Tax (GST)

Computation of tax including problems involving discounts, list price, profit, loss, and basic/cost price including inverse cases.

Candidates are also expected to find price paid by the consumer after paying State Goods and Service Tax (SGST) and Central Goods and Service Tax (CGST) – the different rates as in vogue on different types of items will be provided. Problems based on corresponding inverse cases are also included.

(ii) Banking

Recurring Deposit Accounts: computation of interest and maturity value using the formula:

I = P x [n(n+1)/(2 x 12)] x r/100

MV = P x n + I

(iii) Shares and Dividends

(a) Face/Nominal Value, Market Value, Dividend, Rate of Dividend, Premium.

(b) Formulae

• Income = number of shares x rate of dividend x FV
• Return = (Income / Investment) x 100.

Note: Brokerage and fractional shares not included

#### 2. Algebra

(i) Linear Inequations

Linear Inequations in one unknown for x ε N, W, Z, R. Solving

• Algebraically and writing the solution in set notation form.
• Representation of solution on the number line.

(ii) Quadratic Equations in one variable

(a) Nature of roots

• Two distinct real roots if b2 – 4ac > 0
• Two equal real roots if b2 – 4ac = 0
• No real roots if b2 – 4ac < 0

• Factorisation
• Using Formula

(c) Solving simple quadratic equation problems.

(iii) Ratio and Proportion

(a) Proportion, Continued proportion, mean proportion.

(b) Componendo, dividendo, alternendo, invertendo properties and their combinations.

(c) Direct simple applications on proportions only.

(iv) Factorisation of Polynomials

(a) Factor Theorem.

(b) Remainder Theorem.

(c) Factorizing a polynomial completely after obtaining one factor by factor theorem.

Note: f(x) not to exceed degree 3.

(v) Matrices

(a) Order of a matrix. Row and column matrices.

(b) Compatibility for addition and multiplication.

(c) Null and Identity matrices.

(d) Addition and subtraction of 2 x 2 matrices.

(e) Multiplication of a 2 x 2 matrix by

• a non-zero rational number
• a matrix

(vi) Arithmetic and Geometric Progression

• Finding their General term.
• Finding Sum of their first n terms.
• Simple Applications.

(vii) Co-ordinate Geometry

(a) Reflection

1. Reflection of a point in a line: x = 0, y = 0, x = a, y = a, the origin.
2. Reflection of a point in the origin.
3. Invariant points.

(b) Co-ordinates expressed as (x, y), Section formula, Midpoint formula, Concept of slope, equation of a line, Various forms of straight lines.

(i) Section and Mid-point formula (Internal section only, coordinates of the centroid of a triangle included).

(ii) Equation of a line:

• Slope-intercept form y = mx + c
• Two-point form (y – y1) = m(x – x1)

Geometric understanding of ‘m’ as slope / gradient / tanθ where θ is the angle the line makes with the positive direction of the x axis.

Geometric understanding of ‘c’ as the y-intercept / the ordinate of the point where the line intercepts the y axis / the point on the line where x = 0.

Conditions for two lines to be parallel or perpendicular.

Simple applications of all of the above.

#### 3. Geometry

(a) Similarity

Similarity, conditions of similar triangles.

1. As a size transformation.
2. Comparison with congruency, keyword being proportionality.
3. Three conditions: SSS, SAS, AA. Simple applications (proof not included).
4. Applications of Basic Proportionality Theorem.
5. Areas of similar triangles are proportional to the squares of corresponding sides.
6. Direct applications based on the above including applications to maps and models.

(b) Loci

Loci: Definition, meaning, Theorems and constructions based on Loci.

1. The locus of a point at a fixed distance from a fixed point is a circle with the fixed point as the center and the fixed distance as the radius.
2. The locus of a point equidistant from two intersecting lines is the bisector of the angles between the lines.
3. The locus of a point equidistant from two given points is the perpendicular bisector of the line joining the points.

Proof is not required.

(c) Circles

(i) Angle Properties

• The angle that an arc of a circle subtends at the center is double that which it subtends at any point on the remaining part of the circle.
• Angles in the same segment of a circle are equal (without proof).
• Angle in a semi-circle is a right angle.

(ii) Cyclic Properties

• Opposite angles of a cyclic quadrilateral are supplementary.
• The exterior angle of a cyclic quadrilateral is equal to the opposite interior angle (without proof).

(iii) Tangent and Secant Properties

• The tangent at any point of a circle and the radius through the point are perpendicular to each other.
• If two circles touch, the point of contact lies on the straight line joining their centers.
• From any point outside a circle, two tangents can be drawn, and they are equal in length.
• If two chords intersect internally or externally then the product of the lengths of the segments are equal.
• If a chord and a tangent intersect externally, then the product of the lengths of segments of the chord is equal to the square of the length of the tangent from the point of contact to the point of intersection.
• If a line touches a circle and from the point of contact, a chord is drawn, the angles between the tangent and the chord are respectively equal to the angles in the corresponding alternate segments.

Note: Proofs of the theorems given above are to be taught unless specified otherwise.

(iv) Constructions

• (a) Construction of tangents to a circle from an external point.
• (b) Circumscribing and inscribing a circle on a triangle and a regular hexagon.

#### 4. Mensuration

Area and volume of solids – Cylinder, Cone, and Sphere.

Three-dimensional solids – right circular cylinder, right circular cone, and sphere: Area (total surface and curved surface) and Volume.

Direct application problems include cost, Inner and Outer volume, and melting and recasting methods to find the volume or surface area of a new solid. Combination of solids included.

Note: Problems on Frustum are not included.

#### 5. Trigonometry

(a) Using Identities to solve/prove simple algebraic trigonometric expressions

• sin2A + cos2A = 1
• 1 + tan2A = sec2A
• 1+cot2A = cosec2A; 0 ≤ A ≤ 90°

(b) Heights and distances: Solving 2-D problems involving angles of elevation and depression using trigonometric tables.

Note: Cases involving more than two right-angled triangles are excluded.

#### 6. Statistics

Statistics – basic concepts, Mean, Median, Mode. Histograms and Ogive.

(a) Computation of:

• Measures of Central Tendency: Mean, median, and mode for raw and arrayed data.
• Mean*, median class, and modal class for grouped data. (both continuous and discontinuous).

*Mean by all 3 methods included: Direct, Short-cut, and Step-deviation.

(b) Graphical Representation. Histograms and Less than Ogive.

• Finding the mode from the histogram, the upper quartile, lower Quartile, and median from the ogive.
• Calculation of interquartile range.

#### 7. Probability

• Random experiments
• Sample space
• Events
• Definition of probability
• Simple problems on single events

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