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
  • 4.12 Quadrilaterals
  • 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
  • 5.8 Quadrilaterals
  • 5.9 Polygons
  • 5.10 Three Dimensional Shapes

Chapter 6: Integers

  • 6.1 Introduction
  • 6.2 Integers
  • 6.3 Addition of 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