Chapter 7: The Cleanest Village

Math • Class 4

Download PDF

Loading PDF...

Chapter Analysis

Beginner15 pages • English

Quick Summary

Chapter 7 'The Cleanest Village' from the NCERT Class 4 Math textbook focuses on teaching basic arithmetic operations like addition and subtraction through practical examples set in a village context. The chapter introduces students to the village of Mawlynnong, known as Asia's cleanest village, and integrates real-life scenarios to help students understand the use of mathematics in daily life, such as calculating costs, balances, and totals. Through engaging exercises like finding the cost of items for a trip and solving puzzles, students develop arithmetic skills in an interactive manner.

Key Topics

  • Addition and Subtraction using real-life examples
  • Concept of Balance and cost
  • Estimating sums and differences
  • Practical arithmetic applications
  • Using algorithms for addition and subtraction
  • Solving puzzles with numbers

Learning Objectives

  • Calculate sums and differences through various examples
  • Understand and apply concepts of balance and cost
  • Use estimation strategies to find approximate solutions
  • Develop problem-solving skills using arithmetic operations
  • Recognize the importance of mathematics in everyday life

Questions in Chapter

How many teachers are accompanying the children?

Answer: There are 52 teachers accompanying the children.

Page 101

How many children are going on the trip?

Answer: 914 children are going to Mawlynnong.

Page 102

How much did they spend on pusaw?

Answer: They spent ₹54.

Page 103

How much money did they take for the trip?

Answer: Daisy and Lou took ₹310 for the trip.

Page 104

How many dolls are left with Ranganna?

Page 108

Additional Practice Questions

If Daisy and Lou have ₹245, and they need to buy bananas costing ₹55 per kg, how many kilograms of bananas can they buy?

medium

Answer: They can buy 4 kg of bananas with ₹220, leaving them with ₹25.

On a school trip, there are 365 people in total, including children and teachers. If there are 50 teachers, how many children are there?

easy

Answer: There are 315 children on the trip.

Calculate the total cost if Daisy and Lou buy 1 kg of each: custard apple, beans, and sapota.

medium

Answer: The total cost is ₹210.

If the balance after buying items is ₹45 and the total cost was ₹375, what was the initial amount they had before shopping?

medium

Answer: The initial amount was ₹420.

During a fruit shopping, Daisy and Lou purchase bananas worth ₹165 and apples worth ₹85. How much do they spend in total?

easy

Answer: They spend a total of ₹250.

In a puzzle, if the sum of the digits in each corner of a triangle is 18, what could be the numbers if no digit exceeds 6?

hard

Answer: One possibility is using numbers 6, 6, and 6.