Class 4 Maths Chapter 7, The Cleanest Village, follows Daisy and Lou on a Grade 4 school trip from Shillong to Mawlynnong (Asia’s cleanest village in Meghalaya) to teach 3-digit and 4-digit addition and subtraction, shopping price lists, mental compensation strategies, and missing-digit puzzles.
What Class 4 Mathematics Chapter 7 Covers
School Trip to Mawlynnong & Shopping Addition solves real-world trip budgeting, distance, population, and souvenir shopping problems using place-value regrouping and flexible mental decomposition.
Subtract It, Number Pair Hunt & Missing Digits practises multi-digit subtraction with regrouping, mental shortcuts (adding/subtracting 99 or 19 by rounding to 100 or 20), Number Pair Hunt, and The Missing Digits puzzles.
A trip to Mawlynnong: Daisy and Lou, Grade 4 students in Shillong, go on a school trip on 30 December 2025 to Mawlynnong in Meghalaya, known as Asia’s cleanest village. Along the way they price fruits and vegetables, work out that 24 teachers and 438 children went from their school, subtract to find how many more children bought Pusaw than fruit plates (83 − 46), and solve a puzzle of four children paying with ₹50, ₹100, ₹200 and ₹500 notes.
Exercises in Chapter 7
- Let Us Do, Let Us Try, and Let Us Solve textbook exercises.
- Hands-on straw/grid models, dot-paper drawing, and number games.
Read Class 4 Mathematics Chapter 7 Online
More Chapters
- Previous: Chapter 6: Measuring Length
- Next: Chapter 8: Weigh It, Pour It
- Hindi medium: Class 4 Maths Chapter 7 PDF in Hindi (Ganit Mela)
- All Mathematics chapters and the other Class 4 books: Class 4 NCERT books 2026-27
- All Class 1 to 12 NCERT Textbooks: NCERT Books PDF (Class 1–12)
- Every book chapter by chapter: NCERT chapter wise PDF
FAQ
Which village is featured in Class 4 Maths Chapter 7 as Asia’s Cleanest Village?
Mawlynnong in the East Khasi Hills of Meghalaya (79 km from Shillong), famous for its eco-friendly living and the Jingmaham Living Root Bridge.
What is a quick mental way to calculate 811 + 99?
Add 100 to 811 to get 911, and then subtract 1 to get 910.
Which village is called Asia’s cleanest village in Maths Mela Class 4?
Mawlynnong in Meghalaya.