NCERT Textbook - Carts And Wheels | Mathematics for Class 4: NCERT PDF Download

 Page 1


Hey! See, how big
this wheel is! I have
never seen a wheel
like this.
81
Carts & Wheels
Youmusthaveseenmanysuchroundthingsaroundyou.
Listsomemoreinyournotebook.
8
2024-25
Page 2


Hey! See, how big
this wheel is! I have
never seen a wheel
like this.
81
Carts & Wheels
Youmusthaveseenmanysuchroundthingsaroundyou.
Listsomemoreinyournotebook.
8
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
Haveyouevergonetoabangleshop?
j
j
j
Takeawireandmakeabangleforyourself.Canyourmadam
ormotherwearthisbangle?___________
A bangle can be used to trace a circle. What are the other
thingsaroundyouthatyoucanusetotraceacircle?
________________________________________
________________________________________
Trace a circle with the help of some of these things in your
notebookorontheground.
Whichthingmakesthesmallestcircle?
Whichthingmakesthebiggestcircle?
j Guess which of these bangles is of
yoursize.
82
Games with Circles
Game 2
Game 1
83
2024-25
Page 3


Hey! See, how big
this wheel is! I have
never seen a wheel
like this.
81
Carts & Wheels
Youmusthaveseenmanysuchroundthingsaroundyou.
Listsomemoreinyournotebook.
8
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
Haveyouevergonetoabangleshop?
j
j
j
Takeawireandmakeabangleforyourself.Canyourmadam
ormotherwearthisbangle?___________
A bangle can be used to trace a circle. What are the other
thingsaroundyouthatyoucanusetotraceacircle?
________________________________________
________________________________________
Trace a circle with the help of some of these things in your
notebookorontheground.
Whichthingmakesthesmallestcircle?
Whichthingmakesthebiggestcircle?
j Guess which of these bangles is of
yoursize.
82
Games with Circles
Game 2
Game 1
83
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
82
Games with Circles
Children are playing some
games...............
Doyouplaythesegames?
Whichsongdoyousingwhenyouplaythese?
Playthesegamesinyourschool.
Why do we make a circle in each of these
games?
Whatifarectanglewasmade?Discuss.
hink of some other games you play by
makingcircles
T
.
j
Game 2
Game 1
83
2024-25
Page 4


Hey! See, how big
this wheel is! I have
never seen a wheel
like this.
81
Carts & Wheels
Youmusthaveseenmanysuchroundthingsaroundyou.
Listsomemoreinyournotebook.
8
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
Haveyouevergonetoabangleshop?
j
j
j
Takeawireandmakeabangleforyourself.Canyourmadam
ormotherwearthisbangle?___________
A bangle can be used to trace a circle. What are the other
thingsaroundyouthatyoucanusetotraceacircle?
________________________________________
________________________________________
Trace a circle with the help of some of these things in your
notebookorontheground.
Whichthingmakesthesmallestcircle?
Whichthingmakesthebiggestcircle?
j Guess which of these bangles is of
yoursize.
82
Games with Circles
Game 2
Game 1
83
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
82
Games with Circles
Children are playing some
games...............
Doyouplaythesegames?
Whichsongdoyousingwhenyouplaythese?
Playthesegamesinyourschool.
Why do we make a circle in each of these
games?
Whatifarectanglewasmade?Discuss.
hink of some other games you play by
makingcircles
T
.
j
Game 2
Game 1
83
2024-25
Making a Circle
Naina,ChippuandAribawanttoplayagame.Theywanttomake
abigcircleontheground.Buttheycannotmakeitbytracing.So,
Aribatriestodrawacirclewithastick.
Chippu and Naina — It does not
looklikeacircleatall.
Ariba — OK! Why don't both of
youtry?
Chippu and Naina both make
circlesontheground.
j
j
j
j
Isanyoftheseagooddrawingofacircle?Discuss.
a
your
Canyoudrawacircleonthefloorwith chalk?Try.
Alsodrawacircleinyournotebookusingapencil.
Lookatthecirclesdrawnby friends.Whohasdrawnthe
bestcircle?
Thepurposeofthisexerciseistogiveopportunitiestoeachchildtomakefreehandcircles.
Theycanalsomakecirclesonthegroundwithastick.Theycancomparedifferentdrawings
togetanintuitivesenseoftheshapeofacircle.
84
Making a Circle with a Rope
Thepurposeofthisexerciseistohelpchildrenmakedifferentcircles,measurethelengthsof
theirradiiandseehowthesizeofacirclechangeswithitsradius.
The length of
rope used is equal
to the length of
the of the
circle.
radius
Radius
85
2024-25
Page 5


Hey! See, how big
this wheel is! I have
never seen a wheel
like this.
81
Carts & Wheels
Youmusthaveseenmanysuchroundthingsaroundyou.
Listsomemoreinyournotebook.
8
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
Haveyouevergonetoabangleshop?
j
j
j
Takeawireandmakeabangleforyourself.Canyourmadam
ormotherwearthisbangle?___________
A bangle can be used to trace a circle. What are the other
thingsaroundyouthatyoucanusetotraceacircle?
________________________________________
________________________________________
Trace a circle with the help of some of these things in your
notebookorontheground.
Whichthingmakesthesmallestcircle?
Whichthingmakesthebiggestcircle?
j Guess which of these bangles is of
yoursize.
82
Games with Circles
Game 2
Game 1
83
2024-25
I cannot wear these
bangles. These are
too small.
Round Bangle
82
Games with Circles
Children are playing some
games...............
Doyouplaythesegames?
Whichsongdoyousingwhenyouplaythese?
Playthesegamesinyourschool.
Why do we make a circle in each of these
games?
Whatifarectanglewasmade?Discuss.
hink of some other games you play by
makingcircles
T
.
j
Game 2
Game 1
83
2024-25
Making a Circle
Naina,ChippuandAribawanttoplayagame.Theywanttomake
abigcircleontheground.Buttheycannotmakeitbytracing.So,
Aribatriestodrawacirclewithastick.
Chippu and Naina — It does not
looklikeacircleatall.
Ariba — OK! Why don't both of
youtry?
Chippu and Naina both make
circlesontheground.
j
j
j
j
Isanyoftheseagooddrawingofacircle?Discuss.
a
your
Canyoudrawacircleonthefloorwith chalk?Try.
Alsodrawacircleinyournotebookusingapencil.
Lookatthecirclesdrawnby friends.Whohasdrawnthe
bestcircle?
Thepurposeofthisexerciseistogiveopportunitiestoeachchildtomakefreehandcircles.
Theycanalsomakecirclesonthegroundwithastick.Theycancomparedifferentdrawings
togetanintuitivesenseoftheshapeofacircle.
84
Making a Circle with a Rope
Thepurposeofthisexerciseistohelpchildrenmakedifferentcircles,measurethelengthsof
theirradiiandseehowthesizeofacirclechangeswithitsradius.
The length of
rope used is equal
to the length of
the of the
circle.
radius
Radius
85
2024-25
Making a Circle
Thepurposeofthisexerciseistogiveopportunitiestoeachchildtomakefreehandcircles.
Theycanalsomakecirclesonthegroundwithastick.Theycancomparedifferentdrawings
togetanintuitivesenseoftheshapeofacircle.
84
Making a Circle with a Rope
Ariba decided to use nails and a thread to make a circle on the
ground. She took a thin rope and tied nails on both ends of the
rope.Thenshemadeacirclewiththehelpofherfriend.Lookat
thepictureandseehowtheyaremakingthecircle.
Canyoualsomakea
circlewitharopeand
nailslikeAriba?
j
j
j
Dotheactivityinsmallgroups.Eachgroupshouldtakearope
ofadifferentlength.Seethecirclesmadebydifferentgroups.
?___________
Howlongwastheirrope?___________
Does longer make biggercircle?___________
Whyisitso?
Whichgroupmadethesmallestcircle
a rope a
Thepurposeofthisexerciseistohelpchildrenmakedifferentcircles,measurethelengthsof
theirradiiandseehowthesizeofacirclechangeswithitsradius.
j Whatwastheradiusofthesmallestcircle? ______________
The length of
rope used is equal
to the length of
the of the
circle.
radius
Radius
85
2024-25