Real Numbers
Class 10 · Mathematics · 6 lessons
This chapter, Real Numbers, is part of the Class 10 Mathematics syllabus under CBSE, Telangana and Andhra Pradesh boards. It contains 6 lessons — starting with Introduction — Euclid's Division Lemma, Exercise 1.1 — Division Lemma Problems, Exercise 1.2 — Fundamental Theorem, and more — each with free, step-by-step PDF notes you can study directly in the browser or present in class in fullscreen mode. Work through the lessons in order below; later exercises in this chapter generally build on the concepts introduced in the earlier ones.
Introduction — Euclid's Division Lemma
Introduction of Euclid's Division Lemma and its applications.
Exercise 1.1 — Division Lemma Problems
Problems based on Euclid's Division Lemma.
Exercise 1.2 — Fundamental Theorem
Fundamental theorem of arithmetic, LCM and HCF.
Exercise 1.3 — Decimal Expansion
Rational numbers and their decimal expansion.
Exercise 1.4 — Irrationality Proofs
Proving irrationality of numbers using the contradictory method.
Exercise 1.5 — Logarithms
Logarithms, their properties and related problems.