2. Integers
3. Fractions
4. Decimals
7. Percentage
10. Exponents
13. Mensuration
14. Geometry
14.1. Lines and Angles
14.2. Triangles
14.3. Congruence
14.3.1. Understanding the Meaning
14.3.2. Congruence of Triangles
17. Probability
18. Data Handling