Square Roots and Cube Roots
Class 8 · Mathematics · 6 lessons
This chapter, Square Roots and Cube Roots, is part of the Class 8 Mathematics syllabus under CBSE, Telangana and Andhra Pradesh boards. It contains 6 lessons — starting with Introduction to Square Numbers, Exercise 6.1 — Square Properties, Exercise 6.2 — Prime Factorisation Method, 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 to Square Numbers
Properties of square numbers and interesting patterns in squares.
Exercise 6.1 — Square Properties
Problems based on properties of square numbers.
Exercise 6.2 — Prime Factorisation Method
Finding the square root by prime factorisation method.
Exercise 6.3 — Division Method
Finding square root by division method, square roots of decimal numbers.
Exercise 6.4 — Cubes and Cube Roots
Cubes and cube roots with interesting patterns.
Exercise 6.5 — Cube Root Methods
Cube roots by prime factorisation and estimating cube roots.