Class 4 Maths Chapter 7 The Cleanest Village – Revision Notes

Quick revision notes for Class 4 Maths Chapter 7 (The Cleanest Village). Ideal for a fast recap before exams.

Setting: Mawlynnong

  • The chapter is set in Mawlynnong, Meghalaya, known as one of Asia’s cleanest villages.

Addition and Subtraction with Regrouping

  • Regrouping (carrying/borrowing) is used when adding or subtracting larger numbers.

Estimation and Money

  • The chapter uses cleanliness and waste-collection data, and money amounts, for real-life addition and subtraction practice.

One-Line Summary

Using Mawlynnong’s cleanliness story, this chapter builds addition and subtraction skills with regrouping through real data and money problems.

Written by Satish

NCERTBooks.org is an independent educational resource run by a small team focused on making official NCERT textbooks easy to find, read, and download for students, parents, and teachers across India. We are not affiliated with NCERT or the Ministry of Education -- we organise publicly available NCERT content by class and subject, verify links against official sources, and build tools (like our in-browser reader) that make studying more convenient. Every guide we publish is written and reviewed by our team based on the actual NCERT curriculum and syllabus.

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top