Chapter 1: Knowing Our Numbers

• 1.1 Introduction
• 1.2 Comparing Numbers
• 1.3 Large Numbers in Practice
• 1.4 Using Brackets
• 1.5 Roman Numerals

Chapter 2: Whole Numbers

• 2.1 Introduction
• 2.2 Whole Numbers
• 2.3 The Number Line
• 2.4 Properties Of Whole Numbers
• 2.5 Patterns in Whole Numbers

Chapter 3: Playing With Numbers [Video made by Mrs. Indubala KV Barkuhi] [Video made by Mrs. Indubala, KV Barkuhi] [Video made by Mrs. Indubala, KV Barkuhi]

• 3.1 Introduction
• 3.2 Factors and Multiples
• 3.3 Prime and Composite Numbers
• 3.4 Test For Divisibility Of Numbers
• 3.5 Common Factors and Common Multiples
• 3.6 Some More Divisibility Rules
• 3.7 Prime Factorisation
• 3.8 Highest Common Factor
• 3.9 Lowest Common Multiple
• 3.10 Some Problems on HCF and LCM

Chapter 4: Basic Geometrical Ideas

• 4.1 Introduction
• 4.2 Points
• 4.3 A Line Segment
• 4.4 A line
• 4.5 Intersecting Lines
• 4.6 Parallel Lines
• 4.7 Ray
• 4.8 Curves
• 4.9 Polygons
• 4.10 Angles
• 4.11 Triangles
• 4.13 Circles

Chapter 5: Understanding Elementary Shapes

• 5.1 Introduction
• 5.2 Measuring Line Segments
• 5.3 Angles-’Right’ and ‘Straight’
• 5.4 Angles- ‘Acute’, ‘Obtuse’ and ‘Reflex’
• 5.5 Measuring Angles
• 5.6 Perpendicular Lines
• 5.7 Classification of Triangles
• 5.9 Polygons
• 5.10 Three Dimensional Shapes

Chapter 6: Integers

• 6.1 Introduction
• 6.2 Integers
• 6.4 Subtraction of Integers with the help of a Number Line

Chapter 7: Fractions

• 7.1 Introduction
• 7.2 A Fraction
• 7.3 Fraction on the Number Line
• 7.4 Proper Fractions
• 7.5 Improper and Mixed Fractions
• 7.6 Equivalent Fractions
• 7.7 Simplest Form of a Fraction
• 7.8 Like Fractions
• 7.9 Comparing Fractions
• 7.10 Addition and Subtraction of Fractions

Chapter 8: Decimals

• 8.1 Introduction
• 8.2 Tenths
• 8.3 Hundredths
• 8.4 Comparing Decimals
• 8.5 Using Decimals
• 8.6 Addition of Numbers with Decimals
• 8.7 Subtraction of Decimals

Chapter 9: Data Handling

• 9.1 Introduction
• 9.2 Recording Data
• 9.3 Organisation of Data
• 9.4 Pictograph
• 9.5 Interpretation of a Pictograph
• 9.6 Drawing a Pictograph
• 9.7 A Bar Graph

Chapter 10: Mensuration

• 10.1 Introduction
• 10.2 Perimeter
• 10.3 Area

Chapter 11: Algebra

• 11.1 Introduction
• 11.2 Matchstick Patterns
• 11.3 The Idea Of A Variable
• 11.4 More Matchstick Patterns
• 11.5 More Examples of Variables
• 11.6 Use Of Variables in Common Rules
• 11.7 Expressions with Variables
• 11.8 Using Expressions Practically
• 11.9 What is an Equation?
• 11.10 Solution of an Equation

Chapter 12: Ratio and Proportion

• 12.1 Introduction
• 12.2 Ratio
• 12.3 Proportion
• 12.4 Unitary Method

Chapter 13: Symmetry

• 13.1 Introduction
• 13.2 Making Symmetric Figures : Ink-blot Devils
• 13.3 Figures With Two Lines of Symmetry
• 13.4 Figures with Multiple Lines of Symmetry
• 13.5 Reflection and Symmetry

Chapter 14: Practical Geometry

• 14.1 Introduction
• 14.2 The Circle
• 14.3 A Line Segment
• 14.4 Perpendiculars
• 14.5 Angles