# NCERT Solutions for Class 4 Maths Smart Charts

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NCERT solutions for Class 4 Mathematics

## NCERT Solutions for Class 4 Maths Smart Charts

Chapter -14 Class 4 Maths Smart Charts

### 1. How many Hours?

(a) How much time do we spend in this?

Ans. We spend about one hour per day watching television (TV) or listening to the radio.

(b) Note the time you spend in front of a TV or radio everyday. Do this for one week. The time spent in a week is 11 hours. So in a month you spend 30 11 = 330 hours.

Find out from the friends the time they spend in a week.

Ans. The given table is completed after asking my friends as under:

 How many hours they watchTV or listen to the radio? Number of children More than 6 hours 8 Six hours 10 Five hours 12 Four hours 17 Three hours 13 Two hours 8 One hours 5 Zero hour (do not watch) 2

Watch TV/ listening to the radio.

Ans.(i) 8 children spend more than 6 hours in a weak.

(ii) 2 children spend no time at all.

(iii) Most children spend four hours in a week.

(iv) 47 children spend more than 3 hours.

### 2. Ask people in your family to name one programme they like and one programme they dislike. Make a table.

Ans. The required table is as follows:

 Family Member Programme they like Programme they dislike Mother Movie Sports Father Sports Serials Grandmother Religious Serials Grandfather Religious Sports Uncle Religious Plays Brother Cartoons Plays Sister Serials Sports

Most of the family member like religious programme. Most of the family members dislike sports.

### 3. Find out from friends the programmes they like and dislike, and write in a table.

Ans. The required table is as under:

 Kind of Programme Number of children liking it Number of children disliking it News 3 17 Serials 5 15 Cartoons 19 1 Comedy 14 6 Sports 18 2

(a) Which kind of programme is liked by most children?

Ans. Cartoons is liked by most of the children.

(b) Which kind of programme is disliked by the least number of children?

Ans. Cartoons is disliked by the least number of children.

(c) How many children like sports programme?

Ans. 18 children like sports programmes.

(d) Is there any kind of programme not liked by anyone? Yes/No. If yes, which one?

Ans. There is no such programme which is not liked by anyone.

### 4. Who is my friend?

(a) Which word comes most often in the poem?

Ans. Let us prepare the following table to answer the questions:

 Letter Tally Marks No. of letters Letter Tally Marks No. of letters A IIIIIIIII 10 N IIIIIIIIIIIII 13 B I 1 O IIIIII 6 C II 2 P – D IIIIIII 7 Q – E IIIIIIIIIIIIIIIIIIII 20 R IIIIII 6 F II 2 S IIIIIIIIII 10 G II 2 T IIIIIIIIII 10 H IIIIIIIIIIIIIII 15 U IIII 4 I IIIIIIIIIIIIII 14 V I 1 J – W IIIIIII 7 K II 2 X – L II 2 Y III 3 M IIIIIII 7 Z –

The word ‘I’ is used most often in the poem.

(b) Which letter has been used most?

Ans. ‘E’ has been used most.

(c) Which comes the least?

Ans. ‘B’ and ‘V’ comes the least apart from P, Q, J, X and Z which never come.

Class 4 Maths Smart Charts

### 5. Take a paragraph you like from your language textbook. Read carefully and find out:

(a) Which word comes most often? How many times?

Ans. Consider the paragraph:

“He picked up a large bag and filled 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) Which word comes least often?

Ans. Picked up, large, filled .. are some of the many words which come only once in the paragraph.

(c) The letter used more often is …

Ans. The letter ‘E’ is used more often.

(d) The letter used more often is ..

Ans. The letter ‘J, M, V’ are used least often.

### 6. Find out from your classmates and fill the table:

Ans. The table is filled as under:

 Main food Number of persons Rice 15 Wheat 20 Maize 10 Barely 5 Ragi 8

### 7. Look at the table and tell:

 Main food Number of persons Rice 15 Wheat 20 Maize 10 Barely 5 Ragi 8

(a) Most children eat food more from …

Ans. Most children eat wheat.

(b) Compared to children who eat rice, those who eat wheat are more/less equal.

Ans. The children who eat rice are less than those who eat wheat.

(c) Compared to those eat wheat, children who eat ragi are more/less.

Ans. The children who eat wheat are more than those eating ragi.

### 8. Preparing for the Class Drama:

(a) How many children are acting in a drama?

Ans. The number of children acting in a drama are 3 3= 9.

(b) Which are more children making the sets or those acting?

Ans. Number of children making the sets are 2 3 = 6 and, those who are acting= 3 3 = 9. Clearly, 9 > 6. Thus, the number of children acting are more than those making the sets.

(c) What is being done by most of the children?

Ans. Most of the children are playing music.

(d) How many children are collecting dresses?

Ans. Number of children collecting dresses are 2 3 = 6.

Class 4 Maths Smart Charts

### 9. From the picture (given in the book) we can see that:

(a) Half of the children in the class take part in Games Club.

(b) One fourth of the children are members of the Garden Club.

(c) The Drawing Club has one-fourth children of the class.

If there are 200 students in the school, look at the above Chapati Chart and tell the number of members in each club:

(A) The Games Club has ____ members.

Ans. Number of students in the school = 200

Half of the children are in the Games Club.

So, the Games Club has   = 100 children.

The Games Club has 100 members.

(B) The Garden Club has ___ members.

Ans. One-fourth of the children are in the Garden Club.

So, the Garden Club ha  = 50 children. The Garden Club has 50 members.

(C) There are __ members in the Drawing Club.

Ans. One-fourth of the children are in the Drawing Club.

So, the Drawing Club has  = 50 children.

There are 50 members in the Drawing Club.

### 10. Getting Wet in the Rain:

See the Chapati (in the book) chart and tell:

(a) How many children like to get wet in the rain?

(i) Half(ii) One-fourth (iii) three-fourth

Ans. Three-fourth of children like to get wet in the rain. Thus (iii) is the answer.

(b) How many children do not like to get wet in the rain?

(i) Half(ii) one-fourth  (iii) three-fourth

Ans. One-fourth of children do not like to get wet in the rain. Thus, (ii) is the answer.

### 11. If the children in the class is 28 then tell the number of children.

(a) Who like to get wet in the rain.

Ans. Number of children in the class is 28.

Who like to get wet in the rain = 28 = 7 3 = 21

(b) Who do not like to wet in the rain.

Ans. Who do not like to wet in the rain =  = 7

Class 4 Maths Smart Charts

### 12. Some children were asked which of these they like the most – Tea, Coffee and Milk.

 The drink they like Number of children Milk 20 Coffee 10 Tea 10 Total Number of children 40

Find out from the children:

(a) Children who like milk are  of the total children.

Ans. Children who like milk are =  of the total children.

(b) Children who like coffee are  of the total children.

Ans. Children who like coffee are  of the total children.

## NCERT solutions for Class 4 Mathematics Chapter 14 Smart Charts

Building with BricksView Solutions
Long and ShortView Solutions
A trip to BhopalView Solutions
Tick Tick TickView Solutions
The Way the World LooksView Solutions
The Junk SellerView Solutions
Jugs and MugsView Solutions
Carts and WheelsView Solutions
Halves and QuartersView Solutions
Play With PatternsView Solutions
Table and SharesView Solutions
How Heavy How LightView Solutions
Fields And FencesView Solutions
Smart ChartsView Solutions

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