6. Integers
6.4. Comparing Integers
6.6.1.1. Addition of Integers
6.6.1.3. Properties of Addition of Integers
6.6.1.4. Subtraction of Integers
6.6.2. Mixed Operations on Integers
6.6.3. Word Problems on Integers
7. Fractions
8. Decimals
10. Mensuration
11. Algebra
13. Symmetry