2. Integers
2.4. Comparing Integers
2.7.2. Subtraction of Integers
2.7.2.4. Mixed Operations of Integers
2.7.2.5. Word Problems on Integers
3. Fractions
4. Decimals
7. Percentage
10. Exponents
13. Mensuration
14. Geometry
17. Probability
18. Data Handling