Tamil Nadu Board of Secondary Education Class 5 Mathematics Syllabus - Free PDF Download
Tamil Nadu Board of Secondary Education Syllabus 2026-27 Class 5: The Tamil Nadu Board of Secondary Education Class 5 Mathematics Syllabus for the examination year 2026-27 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 2026-27 Tamil Nadu Board of Secondary Education Class 5 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 5 Mathematics Syllabus for 2026-27 is below.
Tamil Nadu Board of Secondary Education Class 5 Mathematics Revised Syllabus
Tamil Nadu Board of Secondary Education Class 5 Mathematics Course Structure 2026-27 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 1 | Term - 1 | |
| 1.1 | Geometry | |
| 1.2 | Numbers | |
| 1.3 | Patterns | |
| 1.4 | Measurements | |
| 1.5 | Time | |
| 1.6 | Information Processing | |
| 2 | Term - 2 | |
| 2.1 | Geometry | |
| 2.2 | Numbers | |
| 2.3 | Patterns | |
| 2.4 | Measurements | |
| 2.5 | Interconcept | |
| 2.6 | Information Processing | |
| 3 | Term - 3 | |
| 3.1 | Geometry | |
| 3.2 | Numbers | |
| 3.3 | Measurements | |
| 3.4 | Algebra | |
| 3.5 | Money | |
| 3.6 | Fractions | |
| 3.7 | Information Processing | |
| Total | - |
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Syllabus
1: Term - 1
Tamil Nadu Board of Secondary Education Class 5 Mathematics Syllabus
- 2dimensional Perspective of 3dimensional Objects
- Draw 3D shapes from 2D Shapes
- Cube
- Cuboid
- Cylinder
- Sphere
- Cone
- Concept of Rotational Symmetry
- Reflection Symmetry (Mirror Symmetry)
- Definition: Reflectional Symmetry
- Axis of Symmetry
- Examples
- Concept of Symmetry
- Introduction
- Definition: Symmetry
- Definition: Line of Symmetry
- Activity 1
- Activity 2
- Key Points Summary
- Lines of Symmetry for Regular Polygons
- Nets of 3D Figures
- Definition: Net
- Example
- Key Points Summary
- Types of Angles
- Introduction
- Types of Angles
- Activity: Exploring a Straight Angle Using Paper Folding
- Key Rotational Benchmarks
- Concept of Angle
- Introduction
- Parts of an Angle
- Naming and Representation of an Angle
- Example
- Real-Life Examples
- 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
- Definition: Place Value
- Place Value of the Whole Number
- Place Value of a Decimal Number
- Real-Life Applications
- Key Points Summary
- Expansion Form of Numbers
- Use of Commas
- Comparing Numbers
- Introduction
- Rules for Comparing Any Two Numbers
- Comparing Numbers Using Charts
- Real-Life Application
- Key Points Summary
- Ascending and Descending Order of Numbers
- Number of Operation
- Addition
- Subtraction
- Multiplication
- Multiply the three-digit numbers by two-digit numbers
- Division Algorithm
- Division of 4 digit numbers by 2 digit numbers
- Mathematical Patterns
- Definition: Pattern
- Example
- Square Numbers and Their Formation
- Triangular Numbers and Their Formation
- Key Points Summary
- Some More Interesting Patterns of Square Number
- Length
- Able to apply the four operations in solving problems involving length.
- Millimeter (mm)
- Centimeter
- Metre
- Kilometre
- Conversion of Units
- Concept of Multiplication
- Concept of Division
- Railway 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
- Use Addition and Subtraction in Finding Time Interval
- Systematic Listing
- Mathematical Data Collection and Organisation
- Introduction
- Definition: Data
- Definition: Raw Data
- Organising Data
- Example 1
- Example 2
- Example 3
- Key Points Summary
- Pictographs
- Introduction
- Scale
- Example 1
- Example 2
- Key Points Summary
- Frequency Distribution and Its Applications
- Introduction
- Frequency Distribution & Data Arrangement
- Structure of a Frequency Distribution Table
- Example
- Real-life Applications
- Key Points Summary
- Bar Graphs
- Introduction
- Elements of Bar Graph
- Example 1
- Example 2
- Example 3
- Key Points summary
2: Term - 2
Tamil Nadu Board of Secondary Education Class 5 Mathematics Syllabus
- Concept of Points
- Definition: Point
- Fundamental Concept of a Point
- Definition: Collinear Points
- Definition: Non-Collinear Points
- Real-Life Examples
- Key Points Summary
- Concept of Lines
- Definition: Line
- Definition: Concurrent Lines
- Fundamental Properties and Representation of a Line
- Line Segments
- Definition: Line Segment
- Properties and Measurement of a Line Segment
- Activity: Understanding a Line Segment
- Rays
- Introduction
- Definition: Ray
- Properties and Representation of a Ray
- Types of Angles
- Introduction
- Types of Angles
- Activity: Exploring a Straight Angle Using Paper Folding
- Key Rotational Benchmarks
- Trigonometrical Ratios of Complementary Angles
- Related Angles
- Concept of Square Number
- Prime and Composite Numbers
- Definition: Prime Numbers
- Definition: Twin Prime Numbers
- Definition: Composite Number
- Activity: Prime or Composite? Build and Decide!
- Classification of Numbers Based on Their Factors
- Key Points Summary
- Factors and Common Factors
- Definition: Factor
- Product and Factor
- Examples of Finding Factors of Numbers
- Properties of Factors
- Definition: Common Factor
- Activity
- Lowest Common Multiple
- Definition: LCM
- Steps to Find the LCM
- Examples
- Multiples and Common Multiples
- Introduction
- Definition: Multiple
- Examples
- Properties of Multiples
- Real-life Application
- Mathematical Patterns
- Definition: Pattern
- Example
- Square Numbers and Their Formation
- Triangular Numbers and Their Formation
- Key Points Summary
- Types of Angles
- Introduction
- Types of Angles
- Activity: Exploring a Straight Angle Using Paper Folding
- Key Rotational Benchmarks
- To Make Patterns of Shapes Using Different Number of Angles
- Finding the angle of a regular hexagon using the equilateral triangle.
- Finding the angle of a square.
- Rotating Angles
- Able to Find Patterns in a Collections of Words
- Conversion of Units
- Able to Apply the Four Operations in Solving Problems Involving Weight.
- Addition
- Subtraction
- Multiplication
- Division
- Able to Apply the Four Operation in Solving Problems Involving Capacity
- Addition
- Subtraction
- Multiplication
- Division
- Able to Reason Out in Solving Problems by Comparing Time, Money, Distance
- Able to Create Problems Integrating Time, Money and Distance
- Speed, Distance and Time
- Introduction
- Formula: Speed
- Formula: Distance
- Formula: Time
- Units Used
- Example 1
- Example 2
- Key Points Summary
- Relation Between Distance and Money
- Use Fractions in the Context of Units of Length, Time and Money
- Length (In fractions)
- Time (In fractions)
- Money (In fractions)
- Modelling
3: Term - 3
Tamil Nadu Board of Secondary Education Class 5 Mathematics Syllabus
- Concept of Perimeter
- Introduction
- Formula: Perimeter
- Units of Perimeter
- Example 1
- Example 2
- Key Points Summary
- Perimeter of a Rectangle
- Introduction
- Formula : Perimeter of a Rectangle
- Example 1
- Example 2
- Example 3
- Key Points Summary
- Perimeter of Squares
- Introduction
- Formula: Perimeter of Squares
- Example 1
- Example 2
- Key Points Summary
- Concept of Area
- Introduction
- Formula: Area
- The Standard Unit of Area
- Example
- Area of Rectangle
- Introduction
- Formula: Area of a Rectangle
- Example 1
- Example 2
- Key Points Summary
- Area of Square
- Introduction
- Formula: Area of a Square
- Example 1
- Example 2
- Key Points Summary
- Basic Concept of Estimation and Approximation of Numbers
- Definition: Estimation
- Benefits of Estimation
- Real-Life Example
- To Estimate Sum Or Difference
- Estimating Products of Numbers
- Systematic Ordering
- Addition and Substraction on Money
- Addition without conversion
- Addition with conversion
- Subtraction
- Finding the estimation of the total cost
- Multiplication and Division in Money
- Comparing Fractions
- Introduction
- Case 1: Comparing Like Fractions
- Case 2: Comparing Unlike Fractions
- Case 3: Comparing Unlike Fractions with the Same Numerators
- Example 1
- Example 2
- Key Points Summary
- Types of Fractions
- Introduction
- Classification of Fractions with Examples and Conditions
- Concept of Proper and Improper Fractions
- Definition: Proper Fraction
- Definition: Improper Fraction
- Key Points Summary
- Concept of Mixed Fractions
- Definition: Mixed Fraction
- Structure of Mixed Fractions
- Example 1
- Example 2
- Example 3
- Real-Life Application
- Key Points Summary
- Concept of Equivalent Fractions
- Definition: Equivalent Fractions
- Definition: Cross Product
- Obtaining Equivalent Fractions
- Examples
- Real-Life Application
- Key Points Summary
- Like and Unlike Fraction
- Definition: Like Fractions
- Definition: Unlike Fractions
- Key Points Summary
- Simplest Form of a Fractions
- Definition: Simplest Form
- Method 1: Divide the Numerator and Denominator by their HCF
- Method 2: Use Prime Factorization to Cancel Common Factors
- Key Points Summary
- Addition of Fraction
- Introduction
- Steps for Adding Fractions
- Case 1: Proper Fraction + Proper Fraction
- Case 2: Improper Fraction + Improper Fraction
- Case 3: Mixed Fraction + Mixed Fraction
- Brahmagupta’s Method for Adding Fractions (Adding Unlike Fractions)
- Example 1
- Example 2
- Example 3
- Key Points Summary
- Subtraction of Fraction
- Introduction
- Steps for Subtracting Fractions
- Case 1: Proper Fraction – Proper Fraction
- Case 2: Improper Fraction – Improper Fraction
- Case 3: Mixed Fraction – Mixed Fraction
- Real-Life Application
- Key Points Summary
- Conversion between Decimal Fraction and Common Fraction
- Introduction
- Case 1: To Convert a Common Fraction into a Decimal Fraction
- Case 2: To Convert a Common Fraction into a Decimal Fraction
- Case 3: To Convert a Common Fraction into a Decimal Fraction
- Steps to Convert a Decimal Fraction into a Common Fraction
- Key Points Summary
- Multiplication of Fraction
- Introduction
- Formula
- Steps to Multiply Fractions
- Examples
- Key Points Summary
- Able to Split Bigger Task into Smaller Known Task
- Solving a Multiplication Problem Involving 2 Three Digit Numbers.
- To Enable How to Find Out Easy and Difficult Ways to Solve Tasks and Justify with Reason.
- Factor Bingo
