NCERT Textbook - Long And Short | Mathematics for Class 4: NCERT PDF Download

 Page 1


D
O
B
I
K
C
F
M
H
N
E
L
G
A
J
13
H
H
H
Guess the distance between any two dots.
Howmanycentimetresisit?Nowmeasureit
withthehelpofascale.Didyouguessright?
Which two dots do you think are farthest
fromeachother?Checkyouranswer.
Which two dots are nearest to each other?
Checkyouranswer.
Childrencanplaythisgameinpairs,makingdotsonaplainsheetandaskingtheirpartnerto
guess the distance. This can also be extended to estimating bigger distances on the floor.
Theborderofthischaptershouldalsobeusedasascale.
Long and Short
HowFarApartaretheDots?
2
2024-25
Page 2


D
O
B
I
K
C
F
M
H
N
E
L
G
A
J
13
H
H
H
Guess the distance between any two dots.
Howmanycentimetresisit?Nowmeasureit
withthehelpofascale.Didyouguessright?
Which two dots do you think are farthest
fromeachother?Checkyouranswer.
Which two dots are nearest to each other?
Checkyouranswer.
Childrencanplaythisgameinpairs,makingdotsonaplainsheetandaskingtheirpartnerto
guess the distance. This can also be extended to estimating bigger distances on the floor.
Theborderofthischaptershouldalsobeusedasascale.
Long and Short
HowFarApartaretheDots?
2
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Look at the picture and explain how Birbal made Akbar's line
shorter.
Now can you be as smart as Birbal? Make his line shorter without
erasing it. Just think — is there any longest line?
Try This
Make her right arm 1 cm longer than the left arm. H
H Draw a cup 1 cm shorter than this cup.
H Draw a broom half as long as this broom.
The Shorter Line
Akbar was a famous king. He had a smart minister called Birbal.
Once Akbar gave him a difficult question. He drew a line on
the floor.
H Draw another hair of double the length.
15
How Tall Have You Grown?
Wow! His height
is exactly double
my height.
The Long and Short of Your Family!
2024-25
Page 3


D
O
B
I
K
C
F
M
H
N
E
L
G
A
J
13
H
H
H
Guess the distance between any two dots.
Howmanycentimetresisit?Nowmeasureit
withthehelpofascale.Didyouguessright?
Which two dots do you think are farthest
fromeachother?Checkyouranswer.
Which two dots are nearest to each other?
Checkyouranswer.
Childrencanplaythisgameinpairs,makingdotsonaplainsheetandaskingtheirpartnerto
guess the distance. This can also be extended to estimating bigger distances on the floor.
Theborderofthischaptershouldalsobeusedasascale.
Long and Short
HowFarApartaretheDots?
2
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Look at the picture and explain how Birbal made Akbar's line
shorter.
Now can you be as smart as Birbal? Make his line shorter without
erasing it. Just think — is there any longest line?
Try This
Make her right arm 1 cm longer than the left arm. H
H Draw a cup 1 cm shorter than this cup.
H Draw a broom half as long as this broom.
The Shorter Line
Akbar was a famous king. He had a smart minister called Birbal.
Once Akbar gave him a difficult question. He drew a line on
the floor.
H Draw another hair of double the length.
15
How Tall Have You Grown?
Wow! His height
is exactly double
my height.
The Long and Short of Your Family!
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Try This
The Shorter Line
15
Jhumpa once read a list of the tallest people in the
world. One of them was 272 cm tall! That is just
double of Jhumpa's height. How tall is Jhumpa?
__________ cm.
How Tall Have You Grown?
Do you remember that in Class 3 you measured your height?
Do you think you have grown taller?
How much? ____________ (cm)
Have your friends also grown taller?
Find out and fill the table below.
Wow! His height
is exactly double
my height.
Friend's Last This year's year's How many cm
name height (in cm) height (in cm) have they grown?
Imagine
Could that person pass through the door
of your classroom without bending?
Will his head touch the roof of your
house if he stands straight?
Who is the tallest in your family? _____
Who is the shortest in your family? _____
What is the difference between their
heights? _____
The Long and Short of Your Family!
H
H
H
H
H
2024-25
Page 4


D
O
B
I
K
C
F
M
H
N
E
L
G
A
J
13
H
H
H
Guess the distance between any two dots.
Howmanycentimetresisit?Nowmeasureit
withthehelpofascale.Didyouguessright?
Which two dots do you think are farthest
fromeachother?Checkyouranswer.
Which two dots are nearest to each other?
Checkyouranswer.
Childrencanplaythisgameinpairs,makingdotsonaplainsheetandaskingtheirpartnerto
guess the distance. This can also be extended to estimating bigger distances on the floor.
Theborderofthischaptershouldalsobeusedasascale.
Long and Short
HowFarApartaretheDots?
2
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Look at the picture and explain how Birbal made Akbar's line
shorter.
Now can you be as smart as Birbal? Make his line shorter without
erasing it. Just think — is there any longest line?
Try This
Make her right arm 1 cm longer than the left arm. H
H Draw a cup 1 cm shorter than this cup.
H Draw a broom half as long as this broom.
The Shorter Line
Akbar was a famous king. He had a smart minister called Birbal.
Once Akbar gave him a difficult question. He drew a line on
the floor.
H Draw another hair of double the length.
15
How Tall Have You Grown?
Wow! His height
is exactly double
my height.
The Long and Short of Your Family!
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Try This
The Shorter Line
15
Jhumpa once read a list of the tallest people in the
world. One of them was 272 cm tall! That is just
double of Jhumpa's height. How tall is Jhumpa?
__________ cm.
How Tall Have You Grown?
Do you remember that in Class 3 you measured your height?
Do you think you have grown taller?
How much? ____________ (cm)
Have your friends also grown taller?
Find out and fill the table below.
Wow! His height
is exactly double
my height.
Friend's Last This year's year's How many cm
name height (in cm) height (in cm) have they grown?
Imagine
Could that person pass through the door
of your classroom without bending?
Will his head touch the roof of your
house if he stands straight?
Who is the tallest in your family? _____
Who is the shortest in your family? _____
What is the difference between their
heights? _____
The Long and Short of Your Family!
H
H
H
H
H
2024-25
16
a) How far is Rehana from Arundhati? __________
b) How far ahead is Rehana from Konkana and Uma? __________
c) How far are Konkana and Uma from the finishing line? _______
Have you heard about a 1500 m or 3000 m race? (You remember
that 1000 metres make 1 kilometre and 500 metres make half a
kilometre.)
So you can say —
In a 1500 metres race people run ______ km
In a 3000 metres race people run ______ km
H
Long Jump
17
Inter-School Sports Meet
Race
This is a 100 metre race for girls. Arundhati is nearest the
finishing line. She is about 6 metres from it.
Behind her is Rehana. Konkana and Uma are running behind
Rehana. Look at the picture. To answer the questions below
choose from these distances:
– 3 metres
– 6 metres
– 10 metres
– 15 metres
6 metres
Rehana
2024-25
Page 5


D
O
B
I
K
C
F
M
H
N
E
L
G
A
J
13
H
H
H
Guess the distance between any two dots.
Howmanycentimetresisit?Nowmeasureit
withthehelpofascale.Didyouguessright?
Which two dots do you think are farthest
fromeachother?Checkyouranswer.
Which two dots are nearest to each other?
Checkyouranswer.
Childrencanplaythisgameinpairs,makingdotsonaplainsheetandaskingtheirpartnerto
guess the distance. This can also be extended to estimating bigger distances on the floor.
Theborderofthischaptershouldalsobeusedasascale.
Long and Short
HowFarApartaretheDots?
2
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Look at the picture and explain how Birbal made Akbar's line
shorter.
Now can you be as smart as Birbal? Make his line shorter without
erasing it. Just think — is there any longest line?
Try This
Make her right arm 1 cm longer than the left arm. H
H Draw a cup 1 cm shorter than this cup.
H Draw a broom half as long as this broom.
The Shorter Line
Akbar was a famous king. He had a smart minister called Birbal.
Once Akbar gave him a difficult question. He drew a line on
the floor.
H Draw another hair of double the length.
15
How Tall Have You Grown?
Wow! His height
is exactly double
my height.
The Long and Short of Your Family!
2024-25
Birbal, here is a line.
Make it shorter
without erasing.
Akbar's line
Now your line
is shorter.
Birbal's line
14
Try This
The Shorter Line
15
Jhumpa once read a list of the tallest people in the
world. One of them was 272 cm tall! That is just
double of Jhumpa's height. How tall is Jhumpa?
__________ cm.
How Tall Have You Grown?
Do you remember that in Class 3 you measured your height?
Do you think you have grown taller?
How much? ____________ (cm)
Have your friends also grown taller?
Find out and fill the table below.
Wow! His height
is exactly double
my height.
Friend's Last This year's year's How many cm
name height (in cm) height (in cm) have they grown?
Imagine
Could that person pass through the door
of your classroom without bending?
Will his head touch the roof of your
house if he stands straight?
Who is the tallest in your family? _____
Who is the shortest in your family? _____
What is the difference between their
heights? _____
The Long and Short of Your Family!
H
H
H
H
H
2024-25
16
a) How far is Rehana from Arundhati? __________
b) How far ahead is Rehana from Konkana and Uma? __________
c) How far are Konkana and Uma from the finishing line? _______
Have you heard about a 1500 m or 3000 m race? (You remember
that 1000 metres make 1 kilometre and 500 metres make half a
kilometre.)
So you can say —
In a 1500 metres race people run ______ km
In a 3000 metres race people run ______ km
H
Long Jump
17
Inter-School Sports Meet
Race
This is a 100 metre race for girls. Arundhati is nearest the
finishing line. She is about 6 metres from it.
Behind her is Rehana. Konkana and Uma are running behind
Rehana. Look at the picture. To answer the questions below
choose from these distances:
– 3 metres
– 6 metres
– 10 metres
– 15 metres
6 metres
Rehana
2024-25
16
Have you heard about marathon races in which people have to
run about 40 kilometres? People run marathons on roads
because the track of a stadium is only 400 metres.
10 rounds of a stadium track = _______ km
So, if you run a marathon on a stadium track, you will have to
complete __________ rounds !
This is the long jump for boys.
Long Jump
17
Dhanu has the longest jump of 3 metres 40 cm. Gurjeet is
second. His jump is 20 cm less than Dhanu's. Gopi comes third.
His jump is only 5 cm less than Gurjeet's jump.
How long are Gurjeet's and Gopi's jumps?
Try and see how far you can jump.
How far can you throw a ball? ___________ metres.
Look for a big ball, like a football or volleyball. How far can you
kick it? ___________
________________________________________________________
H
H
H
H
Inter-School Sports Meet
2024-25