4. Integers

5.1.1. Finding Factors of a Number

5.1.5. Types of Numbers

5.1.5.1. Odd and Even Numbers

5.1.5.2. Prime and Composite Numbers

5.1.5.2.1. Understanding Prime and Composite Numbers

5.1.5.2.2. Composite Numbers

5.1.5.2.3. Prime Numbers

5.1.5.2.4. Properties of Composite and Prime Numbers

5.1.5.3. Twin Primes

5.1.5.4. Prime Triplet

5.1.6. Co-Primes

5.1.7. Perfect Numbers

5.4. HCF and LCM

6. Fractions

7. Decimals

10. Unitary Method

13. Mensuration

14. Geometry

16. Linear Symmetry

17. Data Handling