2. Integers
3. Fractions
4. Decimals
5.1. Ratio
5.1.1. Terms of a Ratio
5.1.2. Equivalent Ratio
5.1.3. Ratio in the Simplest Form
5.1.5. Comparison of Ratios
5.1.6. Miscellaneous on Ratio
5.2. Proportion
7. Percentage
10. Exponents
13. Mensuration
14. Geometry
17. Probability
18. Data Handling