In the Class 7th NCERT book, there are a total of 15 chapters. Here they are - Chapter 1 - Integers, Chapter 2 - Fractions and Decimals, Chapter 3- Data Handling, Chapter 4- Simple Equations, Chapter 5- Lines and Angles, Chapter 6- The Triangle and its Properties, Chapter 7- Congruence of Triangles, Chapter 8- Comparing Quantities, Chapter 9- Rational Numbers, Chapter 10- Practical Geometry, Chapter 11- Perimeter and Area, Chapter 12- Algebraic Expressions, Chapter 13- Exponents and Powers, Chapter 14- Symmetry, Chapter 15- Visualising Solid Shapes.