NCERT Solutions Class 3 Maths Chapter 1 What s in a Name

F R E E S T U D Y M AT E R I A L F O R E V E R Y S T U D E N T

C L A S S 3 · M AT H S

NCERT Solutions + ×
Chapter 1: What's in
a Name?

NCERT Textbook — Maths Mela

BOOK PAGES SECTIONS QUESTIONS MEDIUM

1–8 9 29 English

Every question Step by step Exam ready
Activities, in-text questions The working shown, not Written to match how
and all exercises. just the final answer. marks are awarded.

Solutions, notes, sample papers & more at 25 pages

l h h e h i e A aS m · NCERT So ut ons
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C L A SS 3 · M AT H S · M AT H S M E L A
NCERT So ut ons — C apt r 1: W at's n a Nam ?
l i h e h i e

This first chapter counts without numbers and then counts letters in names. Deba and Deep keep track of
their cows with marks on a wall, and after that you find the longest name, the shortest name, and new ways
to put things into groups.

T E XT B OOK B OOK PAGE S
Ma h Mela Cla
t s ss 3 18

S EC T I ONS QU E ST I ONS
9 29

M EDI UM
English

In-text Questions — Page 1
The story of Deba and Deep

Q1 Wha c ld Deba a d Dee d ?
t ou n p o

They could make one mark on the wall for each cow that goes out.
When a cow comes back strike out one mark No mark left means every cow is home
, . .

Why One mark stands for one cow
: .

Q2 Did all the cows come back home?

Yes, all the cows came back home.
a a a N a a a
Every m rk on the w ll w s struck out. o m rk w s left, so no cow w s left outside.

In-text Questions — Page 2

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Many more cows

Q1 S , he had
o t y _________ cows.

The marks on Deba and Deepʼs wall. One mark stands for one cow.

So they had cows
, 47 .

The marks are in groups of five There are groups of five and more marks
. 9 2 .

5, 10, 15, 20, 25, 30, 35, 40, 45

45 + 2 = 47

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Q2 Wh yw r e e Deb a a d Dee
n p worr ied?

The wall after all the cows had come in. These marks were not struck out.

They were worried because marks were still left on the wall So cows had not come back
2 . 2 ,

but they could not see them outside.

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How many cows had reached home? .............................. co m
m.
Q3
m as e
.co a g l
se m
g l a
a

co m
e m . ag
g l as
a

co m
em.
m l as
m .co a g
l a se
a g The marks on Deba and Deepʼs wall. One mark stands for one cow.

m a s
m .co agl
l a se
a g
45 a a
cows h d re ched home.
There were a a
m rks. 2 m rks were not struck out.
co m
.
47

e m
2m
47 .−co g l as
m
= 45
a
ase
agl
se m
com g l a
m . a
ase
agl

co m
m .
m as e
.co a g l
se m
g l a
a c
m .
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e m . co agl
g l as
a

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Q4 Thei f ie d He a had 36 c a d 23 hee . Hel He a kee ack f hi c
r r n m nt ows n s p p m nt p tr o s ows

a d hee b aki g a k like Deba a d Dee .
n s p ym n m r s n p

Cows

Sheep

Hemant s marks in groups of five
ʼ , .

Keep cow marks and sheep marks apart .

Cows: 5, 10, 15, 20, 25, 30, 35, and 1 more = 36

Sheep: 5, 10, 15, 20, and 3 more = 23

Strike out one mark each time an animal comes back .

Let us o — Page 3
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The animal and bird name cards

Q1 S e a i al a d bi d g ge he la a ga e. The a ed ake 2 ea .
om nm s n r s ot to t r to p y m y w nt to m t ms

The decided ha he ca ai f he fi ea ill be he e i h he l ge a e,
y t tt pt no t rst t mw t on wt t on st n m

i.e., he e i h he
t le e . The ca ai f he ec d ea
on wt t ill be he e i h
most tt rs pt no t s on t mw t on wt

the h e a e, i.e., he e i h he fe e le e .
s ort st n m t on wt t w st tt rs

tiger dog sn ake go at lion

eleph ant deer ox a
r t monkey

The name cards of the ten animals and birds that came to play.

Find out the captains of the 2 teams.
First team : ____________

Le e c :
tt r ount ____________

Sec d ea :
on t m ____________

Le e c :
tt r ount ____________

Count the letters in e ch n me. a a
NAME LETTERS NAME LETTERS
tiger 5 eleph ant 8

dog 3 deer 4

sn ake 5 ox 2

go at 4 a
r t 3

lion 4 monkey 6

a
First te m : elephant
Letter count : 8
Second te m : ox a
Letter count : 2

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Tip: Touch each letter as you count: e-l-e-p-h-a-n-t.

Q2 Do you know any animal having a longer name than the first teamʼs captain?

Yes. The first teamʼs captain is elephant, with 8 letters. These animals have longer names:

ANIMAL LETTERS
crocodile 9

butter fly 9

rhinoceros 10

hippopot amus 12

9, 10 and are all more than
12 8.

Q3 Wh ha a l ge a e? Di c
o s on rn m s uss.

My name is longer
Mahesh
Kartik
.

boy 1 boy 2
The two boys and their names. One speech bubble points to both boys — each says his own
name is longer.

Neither name is longer. Both names have 6 letters.

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M-a-h-e-s-h → 6 letters

K-a-r-t-i-k → 6 letters

So the two names are equally long .

Why Big letters can make a name look longer Only counting the letters tells us
: . .

Let us o — Page 4
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Your friendsʼ names

Q1 W i e d he a e f e f
rt own t n m s o som o your r a a
f iends in the sp ces given below nd then,
a e he e i f a f.
nsw r t qu st ons rom to

The empty spaces in the book. Write one friendʼs name on each line.

Sample answer: Om, Ravi, Aman, Anita, Arjun, Kavita, Sarita, Kamlesh.
Count the letters in e ch n me. a a

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co m
m.
NAME LETTERS NAME LETTERS
m ase
Om
.co
2 Ar un
a
5
g l
m
j

l a se
g
Ravi Kavita
a
4 6

Aman 4 Sarita 6

. coKam ag
An ta 5
em 7

as
i mlesh

a g l
Tip: Write your own friendsʼ names. Then answer (a) to (f) from your list.

co m
em.
m l as
Q2 m (a).cToick ✓ he l ge a e( ) a d c ✗ he h g
a ae( ).
e
e
s
t on st n m s n ross t s ort st n m s

gla
a A NSW E R
m a s
m .co agl
Om l a se Rav
a g i

Aman An ta .com
em
i

m a s
e m . co Ar un agvl ta
Ka
las
j i

ag
Sar ta Kam s m
a se
com
i le h

. ag l
m
ase
agl
A sample list of eight friends names
co m
ʼ .

m .
m as e
l
Sample answer:
.co
m Tick ✓ Kamlesh letters the most a g
s e
la
 7 , .

ag Cross ✗ Om letters the fewest  2 , .

c
a a a m .
If two n mes h ve the s me count, tick (or cross) both.
m a s e
e m . co agl
g l as
a

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m .
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Q3 (b) W i e he a i g le e f
rt t st rt n a e. ......................................
tt r o your n m

The starting letter is the first letter of your name .

Sample answer My name is Anita The starting letter is A
: . .

Q4 a a a a a
(c) Count ll the n me(s) th t h ve the s me st rting letter a a s yours.

Om Rav i

Aman An tai

Ar un j Kav ta i

Sar ta i Kam s le h

A sample list of eight friends names
ʼ .

Sample answer: My name, Anita, starts with A. Aman, Anita and Arjun start with A.
So names have the same starting letter as mine
3 .

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Q5 (d) Which a i g le e i he
st rt n tt r s t most us a a
ed? Count the n mes th t begin with it.

Om Rav i

Aman An ta i

Ar unj Kav ta i

Sar ta i Kam s le h

A sample list of eight friends names
ʼ .

Sample answer:

STARTING LETTER NAMES HOW MANY
A Aman, An ta, Ar un
i j 3

K Kavita, Kamlesh 2

O Om 1

R Ravi 1

S Sarita 1

The most used starting letter is A . 3 a
n mes begin with it.

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Q6 a a
(e) Count the n mes with the s me ending letter.

Om Rav i

Aman An tai

Ar un
j Kav ta i

Sar ta i Kam s le h

A sample list of eight friends names
ʼ .

The ending letter is the last letter of a name Sample answer . :

ENDING LETTER NAMES HOW MANY
a An ta, Kav ta, Sar ta
i i i 3

n Aman, Ar un j 2

h Kamlesh 1

i Ravi 1

m Om 1

3 a
n mes end with a Anit , a Kavita Sarita
, . 2 a a
n mes end with n Am n, Arjun.

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Q7 (f) W i e he le e
rt t tt rs t aa a a
h t re not the st rting letter of ny n me. a

Om Rav i

Aman An ta i

Ar un
j Kav ta i

Sar ta i Kam s le h

A sample list of eight friends names
ʼ .

Sample answer: The starting letters used are A, K, O, R, S.
Letters not used at the start: B, C, D, E, F, G, H, I, J, L, M, N, P, Q, T, U, V, W, X, Y, Z.

Let us o — Page 5
D

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Making numbers with number cards
co m
e m.
Teji a .cdoJmj a e aki g a g l as
a
Q1 bers using these c rds.
m
n oo r m n num

l a se
a g
One Two
m
Three Four Five

m .co ag
Six Sevenlase Nine
ag
Eight

Ten Twelve Thirteen meen
co
.
Eleven Fourt

s e m
. co m Fifteen Sixteen Seventeen gnla
Eightee
a Nineteen
e m
g l as
a Twenty Thirty Forty Fifty Sixty
m a s
Seventy m .co Ninety agl
se
Eighty

g l a
a
The number cards Teji and Jojo are using.
co m
m .
Tejim ake he ll number 43 like this: Forty Three. Its numbesren me h s 10 letters.
a a
. cJo j ake hi lar n me h s .............
agbe
m s r ro

m s roll number 17 like this: Seventeen. Its num a a
as e
oom s

a g l letters.

se m
a
a a . com ag l
m
Its number n me h s 9 letters.

gl ase
a
s-e-v-e-n-t-e-e-n → 9 letters

co m
T m .
Check ejiʼs: forty 5  three 5  10 letters.
m as e
.co a g l
se m
g l a
a c
m .
m a s e
e m . co agl
g l as
a

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m .
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.co

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Q2 a Wie
( ) rt ll
your ro be i g num be ca d a h
r us n num r r s s s own ab e. N
ov um a a
ber c rds re
gi e a he e d f he b k.
v n tt n o t oo

M ll
y ro be i .............
num r s

Its num be a e ha ............. le e .
rn m s tt rs

One Two Three Four Five

Six Seven Eight Nine

Ten Eleven Twelve Thirteen Fourteen

Fifteen Sixteen Seventeen Eighteen Nineteen

Twenty Thirty Forty Fifty Sixty

Seventy Eighty Ninety

The number cards Teji and Jojo are using.

Sample answer: Roll number 25  cards Twenty and Five.

twenty (6) + five (4) = 10

My roll number is 25.

Its number name has letters 10 .

Now do the same with your own roll number .

Q3 (b)W i e e be a d hei
rt som num rs n t r num a a
ber n mes in your notebook. How m ny letters
d e each ha e?
o s v

Sample answer:

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NUMBER NUMBER NAME LETTERS
7 seven 5

12 twelve 6

30 thirty 6

45 forty-five 9

88 eighty-eight 11

Count only the letters. Do not count the d sh (-) in forty-five. a

Let us Think — Page 5
Numbers with the same letter count
L E T US T HI NK

Q1 Teji a d J j ade he be 56 (fif - i ). I ha 8 le e . W i e he
n oom t num r ty s x t s tt rs rt ot r num bers
be ee 1 a d 99 ha ha e 8 le e .
tw n n t t v tt rs

Fifty Sx i

forty-two 42

The table in the book. One row is already filled in; the rest are empty.

T
fifty 5  six 3  8 letters. hese numbers lso h ve 8 letters: a a

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NUMBER NAME NUMBER
forty-two 42

forty-one 41

forty-six 46

fifty-one 51

fifty-two 52

sixty-one 61

sixty-two 62

sixty-six 66

a
thirteen 13, fourteen 14, eighteen 18 nd nineteen 19 lso h ve 8 letters. a a
Why forty fifty and sixty have letters one two and six have letters
: , 5 . , 3 . 5  3  8.

Let us o — Page 6
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Longest number names and two puzzles
FIND OUT

Q1 W i e he
rt t num a a a
ber(s) between 1 nd 99 th t h ve the longest n me. a
.................................... .................................... ....................................

73, 77 and 78. Each name has 12 letters.

NUMBER NUMBER NAME LETTERS
73 seventy-three 12

77 seventy-seven 12

78 seventy-eight 12

seventy (7) + three, seven or eight (5) = 12

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D you now? The shortest names are one two six and ten Each has letters
id k , , . 3 .

Q2 W i e he
rt t num a a a
ber(s) between 1 nd 99 th t h ve the longest n me. a
73, 77 and 78 12 letters each).

A out t
b ook: Item 2 repeats the words of item 1, so the answer is the same. It
he b

was most likely meant to ask you to solve the two “Find outˮ puzzles below.

Q3 Find out.
M be a e ha
y num d .
rn m s two wor s

The fi d ha 6 le e .
rst wor s tt rs

The ec d d ha 5 le e .
s on wor s tt rs

I a e ea 100. Wh a I?
m v ry n r to o m

a
I m 98 (ninety-eight).

ninety → 6 letters

eight → 5 letters

93 and also fit the letter clues but
97 , 98 a
is the ne rest to 100.

Q4 Find out.
M f ie d a d I a e he be f
y r n s n r t num rs rom 63 to 78.

M be a e i he alle a
y num rn m st sm st mon a
g ll my friends. Wh a I?
o m

a
I m 70 (seventy).

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co m
m.
NUMBER NUMBER NAME LETTERS
m as e
.co a
7
g l
m
70 seventy

l a se
a g
66 sixty-six 8

9

m
64 sixty-four

. co ag
e m 9

as
69 sixty-nine

63
a
sixty-three g l 10

seventy h s only 7 letters. It is one word. All the other numbers from 63 to 78 needm
a
co
two words.
m .
m a s e
m . co
e Make i ila agl
Qa5s a da k a a
l
zzles of your own in your notebook cl ssm tes.
g
sm r pu n s your

a
m a s
Sample answer:
em
.co agl
“
a s
My name has one word andaglletters I come just after Who am I → ten
3 . 9. ?ˮ 10 ( )

“ My name has two words and letters I am the biggest such number Who am I →
8 . . ?ˮ 66

sixty-six)
co m
.
(

e m
− Exp am l as
.co
nat on
a g
l i

s mke your own puzzle in three steps
eMa
gl a
a
.

 Pick a number between 1 and 99. Keep it secret.
 Write its number name and count the letters. se m
m l a
.ctohe letters and one about the number.
 Give two or three clues: one about
m ag
ase
glelf first. Check that only one number fits all the clues.
Tip: Solve your puzzle yours
a

co m
m .
as e
com l
Let us o — Pages 6–7
g
. a
D

m
ase
agl c
m .
m a s e
e m . co agl
g l as
a

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Grouping picture cards and household objects

Q1 Teji ha a
he picture c rds into two groups: ‘those th t e t foodʼ nd ‘those th t
s put t a a a a
a
donʼt e t foodʼ.

bird fly drone aeroplane

mous e fish mo bile phone bulb

book kite

The ten picture cards, put into two groups by Teji.

J j ha a a ged he a e ca d diffe e l .
oo s rr n t s m r s r nt y

kite aeroplane mo bile phone fish

bird fly bulb book

drone mous e

The same ten cards, put into two groups by Jojo.

Wha i c
t s ommon n a
i e ch groups ojo h s m de? J a a
..............................................................................

Jojo has grouped the cards by flying.
Group 1 kite aeroplane bird fly drone these can fly
, , , , — .

Group 2 mobile phone fish bulb book mouse these cannot fly
, , , , — .

Teji and Jojo used different rules on the same cards .

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Q2 W i e he a e f he ab e bjec i he
rt t n m so t ov o ts n t two T a
groups given below. hings th t need
elec ici / Thi g ha d ʼ eed elec ici
tr ty n st t on t n tr ty

TV Chair Lamp Bed

Clock Fan Pillow Blanket

The eight household objects shown in the book.

a a
Ask bout e ch object: does it work only with electricity?

THINGS THAT NEED ELECTRICITY THINGS THAT DONʼT NEED ELECTRICITY
TV C arh i

Lamp B ed

Col ck Pillow

Fan B an
l ket

4  4  8 objects in ll. a
Tip: A wall clock runs on a cell. A cell gives electricity.

Let us o — Page 8
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A new grouping and the hair style table

Q1 Group the given objects differently. Write them down in the space below.

TV Chair Lamp Bed

Clock Fan Pillow Blanket

The eight household objects shown in the book.

Sample answer: Rule — do we use it when we sleep?

THINGS WE USE WHILE SLEEPING THINGS WE DO NOT USE WHILE SLEEPING
B ed TV

Pillow C arh i

B an
l ket Lamp

— Co l ck

— Fan

P a a
Another rule: made of cloth  illow, Bl nket) nd not made of cloth  TV Chair Lamp Bed
, , , ,

Clock, F n). a
Every object must go into one group.

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Q2 L k a he child e i
oo tt cla . All child e c
r n n your ss r n om a a L
b their h ir in different w ys. ook
a d i e d . Hai S le / N be f Child e
n wr t own r ty um ro r n

Ha r Sty
i le Number of Children

One ponytail

Two plaits

Short curly hair

Open curly hair with a clip

Short straight hair

Two small ponytails

The six hair styles shown in the book. The count cells are empty — you fill them in.

Sample answer (a class of 30 children):

HAIR STYLE NUMBER OF CHILDREN
One ponytail 5

Two plaits 8

Short curly hair 4

Open curly hair with a clip 6

Short straight hair 5

Two small ponytails 2

a a T a a
Count the children with e ch h ir style. hen dd ll the numbers.

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co m
em.
5 + 8 + 4 + 6 + 5 + 2 = 30
m l as
.co
m be the number of children in your class
The totaslemust a g
gla
.

a

co m
e m . ag
hapter at a glance g l as
a
C

One mark on the wall stands for one cow Strike out one mark when one cow comes back
. .

Marks left on the wall tell you how many cows are still outside That is countcinogmwithout
.
.

e m
rks oreme sier to count when we m ke them in groups of five. las
numbers.
Ma a a a
.cgest n me is the one with the most letters. he shortest an gme h s the fewest
m
setters.
T a T a a
a
he l on
ag l le
a
A number n me is the number written in words, like 56  fifty-six. It h s 8 letters. a
he s me things c n be grouped in more tm
T a a a a a s
c o agl
h n one w y. Every thing must go into one group
m. e
as
only.

a g l

co m
m .
m as e
.co a g l
se m
g l a
a
se m
com g l a
m . a
ase
agl

co m
m .
m as e
.co a g l
se m
g l a
a c
m .
m a s e
e m . co agl
g l as
a

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m .
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Quick revision
IDEA WHAT IT MEANS WHERE IT COMES IN THE ANSWER /
CHAPTER EXAMPLE
Mark One mark stands for one D a an D
eb d eepʼs w all One cow → one m rka
thing

Striking out Cut one mark as one thing Cows r - nt r t
e e e he gate Marks left = cows
comes back missing

Groups o f five Make marks five at a time The wall on page 2 Easy to s p- ount: 5,
ki c

10, 15…

Marks on the wall Count them all Page 2 47 cows

Cows t at am
h c e 47 marks, 2 not struck out Page 2 45 cows

home

Longest name The name with the most An ma ar s on pa
i l c d ge 3 eleph ant, 8 letters
letters

Shortest name The name with the fewest An ma ar s on pa
i l c d ge 3 ox, 2 letters

letters

Number name The number written in words Number cards on page 5 56  fifty-six, 8 letters

Longest number Most letters, 1 to 99 Page 6 73, 77, 78  12 letters

name e ach

Shortest number Fewest letters, 1 to 99 Page 6 1, 2, 6, 10  3 letters

name e ach

Group ni g Put things that are alike Tejiʼs picture cards e at food / do not eat
together food

A n w roup n
e g i g Same things, a new rule Jojoʼs picture cards fly / do not fly

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