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NCERT
SOLUTIONS
CLASS - 4th
aglase .co
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Class : 4th
Subject : Maths
Chapter : 14
Chapter : Smart Charts
Q1 How much time do we spend in this?
Answer. We spend about one hour per day watching television (TV) or listening to the radio.
Page : 162 , Block Name : Smart Charts
Q2 Note the time you spend in front of a TV or radio every day. Do this for one week. The time spent in a week is
_________ hours.
So in a month you spend about 30 × ___ = _____ hours.
Find out from your friends the time they spend in a week?
Page : 162 , Block Name : Smart Charts
Q3 Watching TV/listening to the radio
___________children spend more than 6 hours in a week.
___________ children spend no time at all.
Most children spend ________ hours in a week.
________ children spend more than 3 hours.
Answer. DIY
Page : 163 , Block Name : From Your Table
Q1 Ask people in your family to name one programme they like and one programme they dislike. Make a table.
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Answer. DIY
Page : 163 , Block Name : Which Programme
Q2 Find out from 20 friends the programmes they like and dislike, and write in a table.
Which kind of programme is liked by most children?
Which kind of programme is disliked by the least number of children?
How many children like sports programmes?
Is there any kind of programme not liked by any one? Yes/No If yes, which one?________________
Answer. The required table is as under:
Cartoon is liked by most of the children.
Cartoon is disliked by least number of children
14 children likes sports programme.
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There is no such programme that is not liked by anyone children.
Page : 164 , Block Name : Which Programme
Q1 Read the poem carefully and answer these questions:
a) Which word comes most often in the poem?
b) Which letter has been used most?
c) Which letter comes the least?
Answer. a) Let us make the following table to answer the questions:
b) ‘E’ has been used the most
c) ‘B’ and ‘V’ comes the least apart from P, Q, J, X and Z which never come.
Page : 165 , Block Name : Who Is My Friend
Q2 Take a paragraph you like from your language textbook. Read carefully and nd out:
a) Which word comes most often? ________
How many times? ________
b) Which word comes least often? ________________
c) The letter used most often is ________________
d) The letter used least often is ________________
Answer. a) Consider the paragraph:
“He picked up a large and lled it with the most beautiful jewels. At least, when the bag
Was full, he went back to the cave door.
The word ‘the’ comes most often in the paragraph. It comes three times.”
b) Picked up, large, lled.. Are some of the many words which only come only in the paragraph.
c) The letter ‘E’ is most often used.
d) The letter ‘J, M, V’ are used least often.
Page : 165 , Block Name : Who Is My Friend
Q1 Find out from your classmates and ll the table:
Look at the table and tell:
Most children eat food made from _____________.
Compared to children who eat rice, those who eat wheat are more/less/equal.
Compared to those who eat wheat, children eating are more/less.
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Most children eat wheat
The children who eat rice are less than those who eat wheat.
The children who wheat are more than those eating ragi.
Page : 166 , Block Name : Food We Eat
Qa) How many children are acting in the drama?
Answer. The number of children acting in the drama is 3 x 3 = 9.
Page : 167 , Block Name : Preparing For The Class Drama
Qb) Which are more — children making the sets or those acting?
Answer. Number of children making the sets are 2 x 3 = 6 and, those who are acting = 3 x 3 = 9.
Clearly, 9 > 6. Thus, the number of children acting are more than those making the sets.
Page : 167 , Block Name : Preparing For The Class Drama
Qc) What is being done by most of the children?
Answer. Most of the children are playing music.
Page : 167 , Block Name : Preparing For The Class Drama
Qd) How many children are collecting dresses?
Answer. Number of children collecting dresses are 2 x 3 = 6.
Page : 167 , Block Name : Preparing For The Class Drama
Q1 From the picture we can see that:
a) Half the children in the class take part in the Games Club.
b) One fourth of the children are members of the Garden Club.
c) The Drawing Club has one fourth of the children of the class.
If there are 200 students in the school, look at the above Chart and tell the number of members in each club
The Games Club has ______ members.
The Garden Club has ______ members.
There are _____ members in the Drawing Club.
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Number of students in the school are = 200
Half of the children are in the Games Club.
So. the Games Club has (200 × 1
2
) = 100 children.
Game Club has 100 members.
One-fourth of the children are in the Garden Club.
So, the Garden Club has (200 × 1
) = 50 children.
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Garden Club has 50 members.
One-fourth of the children are in the Drawing Club..
So, the Drawing Club has
(200 ×
1
) = 50 children.
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There are 50 members in the Drawing Club.
Page : 169 , Block Name : Chapati Chart
Q1) How many children like to get wet in the rain?
a) half
b) one-fourth
c) three-fourth
Answer. Three-fourth.
Page : 169 , Block Name : Getting Wet In The Rain
Q2) How many children do not like to get wet in the rain?
a) half
b) one-fourth
c) three-fourth
Answer. One-fourth.
Page : 169 , Block Name : Getting Wet In The Rain
Q3 If the number of children in the class is 28, then tell the number of children.
who like to get wet in the rain __________
who do not like to get wet in the rain __________
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Number children in the class 28.
Who like to get wet in the rain = 28 × 3
4
= 7 × 3 = 21
Who does not like to wet in the rain = 28 × 1
4
= 7
Page : 170 , Block Name : Chapati Chart
Q1 Some children were asked which of these they liked most — Tea, Coffee or Milk.
Total Number of children
Find out from the table:
Children who like milk are / of the total children.
Children who like coffee are / of the total children.
Show the liking for Tea, Coffee or Milk in a Chart.
Children who like mik are ½ of the total children.
Children who like coffee are 10/40 = 1/4
Page : 170 , Block Name : Tea, Coffee or Milk