- Chapter 1: Knowing our Numbers
- Chapter 2: Whole Numbers
- Chapter 3: Playing with Numbers
- Chapter 4: Basic Geometrical Ideas
- Chapter 5: Understanding Elementary Shapes
- Chapter 6: Integers
- Chapter 7: Fractions
- Chapter 8: Decimals
- Chapter 9: Data Handling
- Chapter 10: Mensuration
- Chapter 11: Algebra
- Chapter 12: Ratio and Proportion
- Chapter 13: Symmetry
- Chapter 14: Practical Geometry
Class 6 Maths Notes. Chapter 12 Ratio and Proportion. PDF Free Download.