1. LCM and HCF I

2. LCM and HCF II

3. LCM and HCF III

4. Relation between LCM and HCF

5. Fundamental Theorem of Arithmetic

6. Case Study - LCM and HCF

7. Assertion and reasoning - LCM and HCF

8. LCM and HCF - Applications I

9. LCM and HCF - Applications II

10. Case Study - Rational and irrational numbers

11. Assertion and reasoning - Rational and irrational numbers

12. To prove irrational number