Access the official NCERT Class 10 Mathematics textbook for Chapter 1 – Real Numbers PDF. This chapter lays the foundation of the real number system, covering rational & irrational numbers, their decimal representations, Euclid’s Division Lemma, and the Fundamental Theorem of Arithmetic. It also shows how to compute HCF and LCM using prime factorisation, essential for understanding advanced algebra concepts
Chapter Highlights:
- Introduction to Real Numbers: Rational & Irrational
- Decimal Expansions: Terminating, Recurring & Non‑Recurring
- Euclid’s Division Lemma and its Applications
- Fundamental Theorem of Arithmetic (Prime Factorisation)
- Finding HCF and LCM via Euclid’s Algorithm & Prime Factors
- Surprising Results: Irrationality of √2, √3, √5…