# CBSE Class 8 Maths Syllabus

The Syllabus in the subject of Mathematics has undergone changes from time to time in accordance with the growth of the subject and emerging needs of society. The present revised syllabus has been designed in accordance with the National Curriculum Framework and as per guidelines given in the Focus Group on Teaching of Mathematics which is to meet the emerging needs of all categories of students. For motivating the teacher to relate the topics to real-life problems and other subject areas, greater emphasis has been laid on applications of various concepts.

### 1. Rational Numbers

- Introduction to rational numbers.
- Properties of rational numbers.
- Consolidation of operations on rational numbers.
- Representation of rational numbers on the number line
- Rational numbers between two rational number

### 2. Linear Equations

- Introduction to linear equations
- Solving linear equations having variable on one side
- Application of linear equations
- Solving linear equations having variable on both sides
- Some more application of linear equations
- Reducing equations to simpler form
- Equations Reducible to the Linear Form

### 3. Understanding Quadrilaterals

- Polygons
- Sum of the measures of exterior angles of polygons
- Kinds of quadrilaterals
- Properties of parallelogram
- Some special parallelogram

### 4. Practical Geometry

- Constructing a quadrilateral:
- When the length of four side and diagonal are given
- When two diagonals and three sides are given
- When two adjacent sides and three angles are known
- When three side and two included angles are given

- Some special cases:
- Square
- Rhombus

### 5. Data Handling

- Looking for information
- Organizing data
- Grouping data
- Circle graph or pie charts
- Chance and probability

### 6. Square and Square roots

- Square of a number
- Finding Square root of a number by repeated subtraction
- Finding Square root of a number by prime factorization method
- Finding Square root of a number by long division method
- Square root of decimals
- Estimation of square root

### 7. Cube and Cube roots

- Cubes
- Cube roots

### 8. Comparing Quantities

- Recalling ratio and percentage
- Finding the increase or decrease percentage,
- Finding discount,
- Prices related to buying and selling,
- Sales tax/ value-added tax /Goods and Services Tax
- Compound Interest
- Deducing formula for compound interest,
- Rate Compounded Annually or Half Yearly (Semi Annually)
- Application of compound interest Formula

### 9. Algebraic Expressions and Identities

- What are expressions
- Terms, Factors and Coefficients
- Monomials, Binomials and Polynomials
- Like and Unlike Terms
- Addition and subtraction of algebraic expressions
- Multiplication of algebraic expressions:
- Multiplication of monomial with monomial and monomial with a polynomial
- Multiplication of polynomial with a polynomial

- What is Identity
- Standard identities

### 10. Visualising Solid Shapes

- Views of 3D shapes
- Mapping shapes around us
- Faces, Edges and vertices

### 11. Mensuration

- Area of trapezium
- Area of general quadrilateral
- Area of polygon
- Solid shapes
- Surface area of cube, cuboid and cylinder
- Volume of cube, cuboid and cylinder
- Volume and capacity

### 12. Exponents and Powers

- Powers with negative and positive exponents
- Law of exponents
- Use of exponents to express small numbers in Standard Form

### 13. Direct and Inverse Proportions

- Direct proportion
- Inverse Proportion

### 14. Factorisation

- What is Factorization
- Factorization by regrouping terms
- Factorisation using identities
- Division of algebraic expression

### 15. Introduction to Graphs

- Bar graphs, pie graph and line graph
- Linear graphs
- Applications of linear graphs

### 16. Playing with Numbers

- Numbers in general form, reversing the digits of number
- Letters for digits
- Test of divisibility by 2, 3, 5, 9, 10