- Concept of Rational Numbers
- Problem-Concept of Rational Numbers
- Concept of Irrational Numbers
- Problem-Concept of Irrational Numbers
- Introduction to Real Numbers
- Problem-Concept of Real Numbers
- Terminating Decimals
- Problem-Terminating Decimals
- Non-terminating Decimals
- Problem-Non-terminating Decimals

- Square Root of a Natural Number
- Problem-Finding Square Roots By Prime Factorization
- Finding Square Roots of Fractions
- Problem-Finding Square Roots of Fractions
- Finding Square Roots of Decimals
- More on Finding Square Roots of Decimals
- Problem-Finding Square Roots of Decimals
- Finding Square Roots By Division Method
- More on Finding Square Roots By Division Method
- Problem-Finding Square Roots By Division Method
- Finding Square Roots of Decimals
- More on Finding Square Roots of Decimals
- Problem-Finding Square Roots of Decimals By Division Method
- Number of Digits in the Square Root of a Perfect Square
- Solving Problem Involving Square Root-Problem-1
- Solving Problem Involving Square Root-Problem-2
- Finding Number of Digits in Square Root and Their Pairing