Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus - Free PDF Download
Tamil Nadu Board of Secondary Education Syllabus 2025-26 Class 6: The Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus for the examination year 2025-26 has been released by the Tamil Nadu Board, Tamil Nadu Board of Secondary Education. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2025-26 Tamil Nadu Board of Secondary Education Class 6 Mathematics Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new Tamil Nadu Board of Secondary Education syllabus to prepare for their annual exam properly.
The detailed Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus for 2025-26 is below.
Academic year:
Tamil Nadu Board of Secondary Education Class 6 Mathematics Revised Syllabus
Tamil Nadu Board of Secondary Education Class 6 Mathematics and their Unit wise marks distribution
Tamil Nadu Board of Secondary Education Class 6 Mathematics Course Structure 2025-26 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| I | Term - 1 | |
| 1.1 | Numbers | |
| 1.2 | Introduction to Algebra | |
| 1.3 | Ratio and Proportion | |
| 1.4 | Geometry | |
| 1.5 | Statistics | |
| 1.6 | Information Processing | |
| II | Term - 2 | |
| 2.1 | Numbers | |
| 2.2 | Measurements | |
| 2.3 | Bill, Profit and Loss | |
| 2.4 | Geometry | |
| 2.5 | Information Processing | |
| III | Term - 3 | |
| 3.1 | Fractions | |
| 3.2 | Integers | |
| 3.3 | Perimeter and Area | |
| 3.4 | Symmetry | |
| 3.5 | Information Processing | |
| Total | - |
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Syllabus
Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus for Chapter 1: Term - 1
1.1 Numbers
- Introduction to Knowing Our Numbers
- Successor and Predecessor of Whole Number
- Introducing a 5 Digit Number - 10,000
- Introducing the Six Digit Number - 1,00,000
- Introduction
- Reading and Writing six-digit numbers
- Introducing seven-digit numbers
- Introduction
- Reading and writing seven-digit numbers
- Concept of Place Value
- Introduction
- Place value System
- Using Commas in Indian and International Number System
- Crores
- Introducing crores
- A standard form of large numbers
- Comparing Numbers
- Compare Numbers in Ascending and Descending Order
- Compare Numbers by Shifting Digits
- BODMAS - Rules for Simplifying an Expression
- Round off and Estimation of Numbers
- To Estimate Sum Or Difference
- Estimating Products of Numbers
- Concept for Whole Numbers
- Définition
- Characteristics of Whole Numbers
- Properties of Whole Numbers
- Commutativity Property of Whole Number
- Associativity Property of Whole Numbers
- Distributivity Property of Whole Numbers
- Identity of Addition and Multiplication of Whole Numbers
1.2 Introduction to Algebra
1.3 Ratio and Proportion
1.4 Geometry
- Introduction to Basic Concepts in Geometry
- Concept of Line
- Introduction
- Fundamental Properties and Representation of a Line
- Concept of Line Segment
- Definition
- Properties and Measurement of a Line Segment
- Measuring Line Segments
- Concept of Ray
- Definition
- Properties and Representation of a Ray
- Concept of Angle
- Definition
- Properties of angle
- Measuring Angles
- Angles of Special Measures - 30°, 45°, 60°, 90°, and 120°
- Types of Angles
- Related Angles
- Complementary Angles
- Supplementary Angles
- Points and Lines
1.5 Statistics
- Concept of Data Handling
- Data Handling
- Data
- Types of Data
- Collection of Data
- Organisation of Data
- Ungrouped Data
- Grouped Data
- Concept of Pictograph
- Interpretation of a Pictograph
- Drawing a Pictograph
- Concept of Bar Graph
- Interpretation of Bar Graphs
- Drawing a Bar Graph
1.6 Information Processing
- Systematic Listing
- Systematic Completion of Lists
- Sudoku
- Magic triangle
- More figures in a figure
Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus for Chapter 2: Term - 2
2.1 Numbers
- Concept of Even and Odd Number
- Factors and Multiples
- Factors
- Multiples
- Concept of Prime Numbers
- Definition
- Classification of Numbers Based on Their Factors
- Concept of Composite Number
- Definition
- Classification of Numbers Based on Their Factors
- Eratosthenes’ method of finding prime numbers
- Concept of Twin Prime Numbers
- Tests for Divisibility of Numbers
- Divisibility by 2
- Divisibility by 3
- Divisibility by 5
- Divisibility by 4
- Divisibility by 6
- Divisibility by 8
- Divisibility by 9
- Divisibility by 10
- Divisibility by 11
- Prime Factorisation
- Common Factor
- Highest Common Factor
- Common Multiples
- Lowest Common Multiple
- Relationship between the Numbers and their HCF and LCM
2.2 Measurements
- Conversion of Units
- Fundamental Operations on Quantities with Different Units
- Measures of Time
- Conversion of Time
- Ordinary Time or the 12-Hour Format
- Railway Time or the 24-Hour Format
- Conversion of Time Formats
- Duration between the two given time instances
- Year
2.3 Bill, Profit and Loss
- Bill
- Bill
- Verification of Bill
- Preparation of a Bill
- Basic Concepts of Profit and Loss
2.4 Geometry
- Concept of Triangles
- Classification of Triangles (On the Basis of Sides, and of Angles)
- Classification of Triangles based on Sides- Equilateral, Isosceles, Scalene
- Classification of Triangles based on Angles: Acute-Angled, Right-Angled, Obtuse-Angled
- Properties of a Triangle
- Triangle Inequality
- Drawing a Perpendicular to a Line at a Point on the Line
- Using a set square
- Using a protractor
- Using a compass
- Drawing a perpendicular to a line from a point outside the line
- By folding the paper
- Using a set square
- Using a compass and ruler
- Construction of an Angle
- Construction of Parallel Lines
2.5 Information Processing
- Tree Diagram
- Conversion of Tree Diagrams into Numerical Expressions
- Conversion of Algebraic Expressions into Tree Diagrams
Tamil Nadu Board of Secondary Education Class 6 Mathematics Syllabus for Chapter 3: Term - 3
3.1 Fractions
- Concept of Fractions
- Fraction and its Types
- Concept of Equivalent Fractions
- Introduction
- Obtaining equivalent fractions
- Improper Fraction and Mixed Fraction
- Introduction
- Interconversion between Improper and Mixed
- Concept of Equivalent Fractions
- Comparing Fractions
- Introduction
- Methods of Comparing Fraction
- Addition of Fraction
- Subtraction of Fraction
- Multiplication of Fraction
- Division of Fractions
3.2 Integers
- Concept of Integers
- Définition
- Introduction to Integers and Their Representation
- Representation of Integers on the Number Line
- Additive Inverse
- Concept for Ordering of Integers
3.3 Perimeter and Area
- Concept of Perimeter
- Introduction
- Perimeter of a Closed Figure
- Perimeter of a Rectangle
- Perimeter of Squares
- Perimeter of Triangles
- Concept of Area
- Introduction
- Convention for Measuring Area
- Area of Rectangle
- Area of Square
- Area of a Triangle
- Perimeter and Area of Combined Shapes
- Impact on Removing / Adding a portion from / to a given shape
- Estimate the Area of Irregular Shape Using a Graph Paper
3.4 Symmetry
- Concept of Lines Symmetry
- Figures with one Line of Symmetry
- Figures with two Line of Symmetry
- Figures with more Line of Symmetry
- Lines of Symmetry for Regular Polygons
- Concept of Reflection Symmetry
- Concept of Rotational Symmetry
- Translational Symmetry
3.5 Information Processing
- Iterative Processes
- Iterative Process in Numbers
- Fibonacci numbers in nature
- Euclid’s Game
- Euclid’s Division Algorithm
- Arranging Things and Putting Them in Order
