4. Integers
5.4. HCF and LCM
5.4.1. HCF (Highest Common Factor)
5.4.2. LCM (Lowest Common Multiple)
5.4.3. Properties of LCM and HCF
5.4.4. Word problems on HCF and LCM
6. Fractions
7. Decimals
10. Unitary Method
13. Mensuration
14. Geometry
16. Linear Symmetry
17. Data Handling