2. Integers
2.4. Comparing Integers
2.7.1.1. Addition of Integers
2.7.1.3. Properties of Addition of Integers
2.7.2. Subtraction of Integers
3. Fractions
4. Decimals
7. Percentage
10. Exponents
13. Mensuration
14. Geometry
17. Probability
18. Data Handling