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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 1 · M AT H S
NCERT Solutions
+ ×
Chapter 2: What is
Long? What is
Round?
NCERT Textbook — Joyful Mathematics
BOOK PAGES SECTIONS QUESTIONS MEDIUM
10 – 17 9 17 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 16 pages
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l h h e h i g h i d A aS m · NCERT So ut ons
C L A SS 1 · M AT H S · JOY F UL M AT HE M AT IC S
NCERT So ut ons — C apt r 2: W at s Lon ? W at s
Roun ?
l i h e h i g h i
d
Look around! Some things are long. Some are round. Some things roll, and some slide.
T E XT B OOK B OOK PAGE S
Joyful Mathematics Class 1 10 17
S EC T I ONS QU E ST I ONS
9 17
M EDI UM
English
Look Around — Page 10
V ya
id didiʼ s circle game
Q1 Look Around
Vidya didi asked all the children to sit in a circle.
Wa Wa
h t is long? h t is round?
L a
ook round, look round. a
M a a
y pencil box is long nd my b ll is round.
L a
ook round, look round. a
M a a a
y legs re long nd my f ce is round.
L a
ook round, look round. a
Say one long thing and one round thing.
Sample answer: My pencil is long. My plate is round.
Tip: A glass can be long or round. Both are right.
Think and Do — Page 11
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l h h e h i g h i d A aS m · NCERT So ut ons
gl e l i
A. Roun t n s an on t n s
d hi g d l g hi g
Q1 A. Draw round objects in ◯ and long objects in ▭ .
The circle has a ball and an idli. The box has a bottle and a pencil box.
Sample answer:
Circle: an orange, a bangle.
Box: a pencil, a ruler.
Round things and long things added.
Draw any you like.
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l h h e h i g h i d A aS m · NCERT So ut ons
Think and Do — Page 12
B. Mat tch he shapes · C. Like a ball
Q1 B. Match the objects which are similar in shape.
Left: drum, football, box, puri, birthday cap. Right: idli, flat box, candle, paper cone, ball.
Join them like this:
drum — c andle
football — ball
box — flat box
puri — idli
birthd ay cap — paper cone
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as e
l h h e h i g h i d
a g l A aS m · NCERT So ut ons
gl e l i
co m
e m.
m l as
m .co a g
l a se
a g
co m
e m . ag
g l as
a
co m
em.
m l as
m .co a g
l a se
a g
m a s
m .co agl
l a se
ag
co m
m .
m as e
.co a g l
se m
g l a
a
se m
com
The pairs joined.
g l a
m . a
ase
agl
Ea ch p air looks alike in shape.
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
co m
m .
m ase
.co
a g l Page 4 of 16
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l h h e h i g h i d A aS m · NCERT So ut ons
Q2 C. Tick ✓ the shape which is similar to ball.
Ball (in the grey box). Choices: watermelon, bottle, pencil box, ice cream cone.
Tick the watermelon.
The answer is ticked.
It s roun
i d, like a ball.
Think and Do — Page 13
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l h h e h i g h i d A aS m · NCERT So ut ons
D. L ike a ap · E. L
c ike a ass · F. L
gl ike a mat chbox
Q1 D. Tick ✓ the shape which is similar to cap.
Cap (in the grey box). Choices: paper cone, candle, puri, box.
Tick the paper cone.
The answer is ticked.
Bot h h ave a pointy top.
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l h h e h i g h i d A aS m · NCERT So ut ons
Q2 E. Tick ✓ the shape which is similar to glass.
Glass (in the grey box). Choices: ball, bottle, box, bag.
Tick the bottle.
The answer is ticked.
Bot ar
h e long and round.
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l h h e h i g h i d A aS m · NCERT So ut ons
gl e l i
Q3 F. Tick ✓ the shape which is similar to matchbox.
Matchbox (in the grey box). Choices: puri, ball, pencil box, paper cone.
Tick the pencil box.
The answer is ticked.
Bot h h ave the shape of a box.
Let us Do — Page 13
Ma som t n rom t n s aroun you
ke e hi g f hi g d
Q1 Let us Do
Make a house, toy, tower, robot, bus or anything you like using different objects in your
surroundings. You can also use notebooks, books, pencil box, water bottle, waste or
old boxes, birthday caps, funnels, etc.
Sample answer: Make a robot.
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as e
l h h e h i g h i d
a g l A aS m · NCERT So ut ons
gl e l i
A ox or t
co m
m.
b o y. f he b d
e
Two ott s or s.
A rt ay oam as
b le f leg
p or a at.
. c a g l
m
bi hd c f h
a s e
aTglp Bring two old things from home
i : .
com
e m . ag
Story — Pages 14–15 g l as
W s Gra
i e ndmo he : t r why did the dhol k roll? a a
co m
Q1 Wise Grandmother
em.
m a l as a
.co g
The grandmother put the lamb into a dhol k and rolled it back to her house. The dhol k
m a
se
rolled very fast. The wolf could not catch the lamb.
g l a Why did the dhol k roll? a
a
omhill So the dholak rolled fast a s
em
The dholak is round The path went down. cthe agl
A ox wou not ro It wou s glas
. . .
a
b ld ll. ld lide.
co m
— Page 16 m .
Let us Slide
as e
. com a g l
m
ase
agl
se m
com g l a
m . a
ase
agl
co m
m .
m as e
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se m
g l a
a c
m .
m a s e
e m . co agl
g l as
a
co m
m .
m ase
.co
a g l Page 9 of 16
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l h h e h i g h i d A aS m · NCERT So ut ons
Carrom, an t n s t at ro or s
d hi g h ll lide
Q1 Children are playing carrom as shown below. You can also play and see how a striker
slides to reach the corner.
M y striker (gotti) rolled inste d of sliding. a
A carrom board. The blue one is the striker.
Hit the striker gently. Watch it slide.
It s s at on t oar to t orn r
lide fl he b d he c e .
H t too ar an t may ump an ro
i h d, d i j d ll.
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l h h e h i g h i d A aS m · NCERT So ut ons
Q2 A. Write ‘Rʼ for rolling objects and ‘Sʼ for sliding objects in the ◯ given in the below
picture.
A park. On the slide: a birthday cap, a yellow bag, a rolled blue mat. Also a log, a juice
packet, a bottle, a box and a football.
R log, rolled mat, bottle, football.
S cap, yellow bag, juice packet, box.
S R
S R
S
R
S R
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l h h e h i g h i d A aS m · NCERT So ut ons
The park with R and S written in.
Round things roll. The others slide.
Q3 B. Collect different objects from your surroundings and see if they roll or slide.
Sample answer: A marble rolls. An eraser slides.
Co t a w t n s.
llec fe hi g
Pus a onh e nt y on t
ch e ge l he floor.
Do s t ro or s ? Say t.
e i ll lide i
Q4 C. Do you see things which can do both, roll and slide? If yes, discuss in the class.
Yes. A bottle and a glass do both.
Lying down, a bottle rolls. Standing up, it slides.
Think and Do — Page 17
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l h h e h i g h i d A aS m · NCERT So ut ons
Ro , s
ll lide or both?
Q1 Find whether the following objects roll, slide or do both.
Put ✓ or ✗.
Object Rolls Slides Rolls as well
as slides
Objects: football, pencil box, book, orange, bottle, cup, spoon, paper cone.
Rolls: football, orange.
Slides: pencil box, book, spoon.
Both: bottle, cup, paper cone.
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as e
l h h e h i g h i d
a g l A aS m · NCERT So ut ons
gl e l i
co m
m.
Rolllassaes well
om t
O.cbjec Rolls Slides agas slides
a sem
agl
co m
e m . ag
g l as
a
co m
em.
m l as
m .co a g
l a se
a g
m a s
m .co agl
l a se
a g
co m
m .
m as e
.co a g l
se m
g l a
a The table filled in.
se m
Things that do both get ✓ in all three columns.
com g l a
m . a
ase
agl
− Exp anat on
l i
A ott ro s y n own It s s stan n up
co m
b le ll l i g d . lide di g .
For parents and teachers: A up an a pap r on
m .and roll round in a
e
e lie on their side
as
c d e c
m Stood up, they slide. Some children will say they only slide. Let them try it. Accept
l
.acnyo answ r t g
circle.
m a
se
e he child can show and explain.
g l a
a c
m .
m a s e
Project Work — Page 17
e m . co agl
g l as
a
co m
m .
m ase
.co
a g l Page 14 of 16
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l h h e h i g h i d A aS m · NCERT So ut ons
Pupp ts, tow rs an
e e d cl ay
Q1 Project Work
A. Collect cardboard boxes like shoe boxes, empty food boxes, fruit boxes, etc. Make a
slit on front of the box and draw eyes, mouth and nose, make a puppet with help of
your parent or teacher and play with it. Make puppets from your favourite stories and
do a puppet show in your classroom.
Make a box puppet.
Cut a s t n a ox. li i b
Draw y s, a nos an a mout .
e e e d h
Put on a s ow. h
Try the wolf and the lamb!
Q2 B. Make towers with different objects. Find which shape of objects make taller and
stable towers.
Boxes make the tallest towers. They do not fall.
Box s s t w on a ot r Ba s ro o
e i ell e ch he . ll ll ff.
Q3 C. Create different shapes and objects by using clay.
Sample answer: Make a ball, a long snake and a box.
Roll clay between your hands for a ball.
Chapter at a glance
A p n ox s on A a s roun
e cil b i l g. b ll i d.
A rum an a an oo a n s ap
d d c dle l k like i h e.
A rt ay ap oo s a pap r on
bi hd c l k like e c e.
Round things like a ball roll.
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l h h e h i g h i d A aS m · NCERT So ut ons
gl e l i
A oo s
b k lides. A ott
b le rolls and slides.
Quick revision
WORD WHAT IT MEANS EXAMPLE PAGE
long stretches out far Ap n e cil b ox is long. 10
round like a ball or a bangle My a f ce i s round. 10
similar in shape looks alike A gl ass an a ottd b le 1213
roll turns round and round as it goes The dholak ro lled. 1416
slide moves without turning The striker slides. 16
rolls as well as slides does both A ott
b le 17
tall, stable tower high, and does not fall A tow r o ox s
e f b e 17
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