Get NCERT Solutions for Class 7 Mathematics: Chapter 9 – Rational Numbers (Exercise 9.1 and 9.2) & prepare for CBSE Class 7 Maths exam 2020-21.

An animated journey into the world of rational numbers! A fraction thief disrupts a number town, leading to a fun exploration of fractions, natural numbers, and mathematical concepts.

Other irrational numbers are fairly close to some small rational number. For instance, π (pi) = 3.14159… is pretty close to the relatively small ratio 22/7 = 3.14285.

Because every transcendental number is irrational, any proof showing that pi is transcendental also proves that pi is irrational. — Will we ever have quantum laptops? — Who was the first cyborg?

Merlyn J. Behr, Helen A. Khoury, Guershon Harel, Thomas Post, Richard Lesh, Conceptual Units Analysis of Preservice Elementary School Teachers' Strategies on a Rational-Number-as-Operator Task, ...