NCERT Textbook: Be My Multiple, I’ll Be Your Factor | Mathematics for Class 5: NCERT PDF Download

 Page 1


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87
TheMouseandtheCat
The hungry cat is trying to
catch Kunjan the mouse.
Kunjan is now on the 14th
stepanditcanjump2steps
at a time. The cat is on the
third step. She can jump
3stepsatatime.Ifthemouse
reaches28itcanhideinthe
hole. Find out whether the
mousecangetawaysafely!
a) The steps on which the
mousejumps—
Findout
Ifthecatstartsfromthe5thstepandjumps
five steps at a time and the mouse starts
from the 8th step and jumps four steps at a
time,canthemousegetaway?
Children should be encouraged to make similar questions
withdifferentmultiplesandaskeachothertosolve.
6
d) Canthemousegetaway?
BeMyMultiple, I'll beYourFactor
b) The steps on which
thecatjumps—
c) Thestepsonwhichboththe
catandthemousejump—
Reprint 2024-25
Page 2


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87
TheMouseandtheCat
The hungry cat is trying to
catch Kunjan the mouse.
Kunjan is now on the 14th
stepanditcanjump2steps
at a time. The cat is on the
third step. She can jump
3stepsatatime.Ifthemouse
reaches28itcanhideinthe
hole. Find out whether the
mousecangetawaysafely!
a) The steps on which the
mousejumps—
Findout
Ifthecatstartsfromthe5thstepandjumps
five steps at a time and the mouse starts
from the 8th step and jumps four steps at a
time,canthemousegetaway?
Children should be encouraged to make similar questions
withdifferentmultiplesandaskeachothertosolve.
6
d) Canthemousegetaway?
BeMyMultiple, I'll beYourFactor
b) The steps on which
thecatjumps—
c) Thestepsonwhichboththe
catandthemousejump—
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
Mark with a red dot all the numbers which can be divided by 2.
Mark a yellow dot on the numbers which can be divided by 3 and
a blue dot on the numbers which can be divided by 4.
Which are the boxes which have dots of all three colours?
What are the letters on top of those boxes?
Write those letters below in order.
88
MeowGame
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Monto cat is waiting for somebody. Do
you know for whom he is waiting?
There is a trick to find out.
Reprint 2024-25
Page 3


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87
TheMouseandtheCat
The hungry cat is trying to
catch Kunjan the mouse.
Kunjan is now on the 14th
stepanditcanjump2steps
at a time. The cat is on the
third step. She can jump
3stepsatatime.Ifthemouse
reaches28itcanhideinthe
hole. Find out whether the
mousecangetawaysafely!
a) The steps on which the
mousejumps—
Findout
Ifthecatstartsfromthe5thstepandjumps
five steps at a time and the mouse starts
from the 8th step and jumps four steps at a
time,canthemousegetaway?
Children should be encouraged to make similar questions
withdifferentmultiplesandaskeachothertosolve.
6
d) Canthemousegetaway?
BeMyMultiple, I'll beYourFactor
b) The steps on which
thecatjumps—
c) Thestepsonwhichboththe
catandthemousejump—
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
Mark with a red dot all the numbers which can be divided by 2.
Mark a yellow dot on the numbers which can be divided by 3 and
a blue dot on the numbers which can be divided by 4.
Which are the boxes which have dots of all three colours?
What are the letters on top of those boxes?
Write those letters below in order.
88
MeowGame
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Monto cat is waiting for somebody. Do
you know for whom he is waiting?
There is a trick to find out.
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
88
MeowGame
To play this game, everyone
stands in a circle. One player
calls out ‘one’. The next player
says ‘two’ and so on. A player
who has to call out 3 or a
number which can be divided by
3 has to say ‘Meow’ instead of
the number. One who forgets to
say ‘Meow’ is out of the game.
Thelastplayerleft isthe winner.
Which numbers did you replace
with‘Meow’?
3, 6, 9...............................
We say these numbers are the of 3.
Play the game by changing the number to 4.
Now, which numbers did you replace with ‘Meow’?
These numbers are the multiples of 4.
Write any ten multiples of 5.
multiples
h
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Reprint 2024-25
Page 4


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??
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??
??
87
TheMouseandtheCat
The hungry cat is trying to
catch Kunjan the mouse.
Kunjan is now on the 14th
stepanditcanjump2steps
at a time. The cat is on the
third step. She can jump
3stepsatatime.Ifthemouse
reaches28itcanhideinthe
hole. Find out whether the
mousecangetawaysafely!
a) The steps on which the
mousejumps—
Findout
Ifthecatstartsfromthe5thstepandjumps
five steps at a time and the mouse starts
from the 8th step and jumps four steps at a
time,canthemousegetaway?
Children should be encouraged to make similar questions
withdifferentmultiplesandaskeachothertosolve.
6
d) Canthemousegetaway?
BeMyMultiple, I'll beYourFactor
b) The steps on which
thecatjumps—
c) Thestepsonwhichboththe
catandthemousejump—
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
Mark with a red dot all the numbers which can be divided by 2.
Mark a yellow dot on the numbers which can be divided by 3 and
a blue dot on the numbers which can be divided by 4.
Which are the boxes which have dots of all three colours?
What are the letters on top of those boxes?
Write those letters below in order.
88
MeowGame
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Monto cat is waiting for somebody. Do
you know for whom he is waiting?
There is a trick to find out.
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
88
MeowGame
To play this game, everyone
stands in a circle. One player
calls out ‘one’. The next player
says ‘two’ and so on. A player
who has to call out 3 or a
number which can be divided by
3 has to say ‘Meow’ instead of
the number. One who forgets to
say ‘Meow’ is out of the game.
Thelastplayerleft isthe winner.
Which numbers did you replace
with‘Meow’?
3, 6, 9...............................
We say these numbers are the of 3.
Play the game by changing the number to 4.
Now, which numbers did you replace with ‘Meow’?
These numbers are the multiples of 4.
Write any ten multiples of 5.
multiples
h
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Reprint 2024-25
6 4
5 7
I have 3 and  2 on my dice.
If  I make 23, it is not the
multiple of any of the
numbers. So I will make 32,
which is a multiple of 4, and
write it in the red circle.
DiceGame
Throw two dice together. What are the
numbers that turn up on the faces of the
dice? Make a two-digit number using them.
If it is a multiple of any of the numbers
written next to the circles, you can write it
in that circle. Then it is your friend’s turn.
The one who can write more numbers in 10
rounds is the winner.
90
CommonMultiples
3 5
91
Where do I write
15? It is a multiple
of both 3 and 5.
Reprint 2024-25
Page 5


?
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?
?
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
??
87
TheMouseandtheCat
The hungry cat is trying to
catch Kunjan the mouse.
Kunjan is now on the 14th
stepanditcanjump2steps
at a time. The cat is on the
third step. She can jump
3stepsatatime.Ifthemouse
reaches28itcanhideinthe
hole. Find out whether the
mousecangetawaysafely!
a) The steps on which the
mousejumps—
Findout
Ifthecatstartsfromthe5thstepandjumps
five steps at a time and the mouse starts
from the 8th step and jumps four steps at a
time,canthemousegetaway?
Children should be encouraged to make similar questions
withdifferentmultiplesandaskeachothertosolve.
6
d) Canthemousegetaway?
BeMyMultiple, I'll beYourFactor
b) The steps on which
thecatjumps—
c) Thestepsonwhichboththe
catandthemousejump—
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
Mark with a red dot all the numbers which can be divided by 2.
Mark a yellow dot on the numbers which can be divided by 3 and
a blue dot on the numbers which can be divided by 4.
Which are the boxes which have dots of all three colours?
What are the letters on top of those boxes?
Write those letters below in order.
88
MeowGame
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Monto cat is waiting for somebody. Do
you know for whom he is waiting?
There is a trick to find out.
Reprint 2024-25
1
11
21
31
41
51
2
12
22
32
42
52
3
13
23
33
43
53
4
14
24
34
44
54
5
15
25
35
45
55
6
16
26
36
46
56
7
17
27
37
47
57
8
18
28
38
48
58
9
19
29
39
49
59
10
20
30
40
50
60
D X
M P I
O
R N U
B W S
J H E
88
MeowGame
To play this game, everyone
stands in a circle. One player
calls out ‘one’. The next player
says ‘two’ and so on. A player
who has to call out 3 or a
number which can be divided by
3 has to say ‘Meow’ instead of
the number. One who forgets to
say ‘Meow’ is out of the game.
Thelastplayerleft isthe winner.
Which numbers did you replace
with‘Meow’?
3, 6, 9...............................
We say these numbers are the of 3.
Play the game by changing the number to 4.
Now, which numbers did you replace with ‘Meow’?
These numbers are the multiples of 4.
Write any ten multiples of 5.
multiples
h
Make children play this game several times with multiples of different numbers.
89
WhoisMontowaitingfor?
Reprint 2024-25
6 4
5 7
I have 3 and  2 on my dice.
If  I make 23, it is not the
multiple of any of the
numbers. So I will make 32,
which is a multiple of 4, and
write it in the red circle.
DiceGame
Throw two dice together. What are the
numbers that turn up on the faces of the
dice? Make a two-digit number using them.
If it is a multiple of any of the numbers
written next to the circles, you can write it
in that circle. Then it is your friend’s turn.
The one who can write more numbers in 10
rounds is the winner.
90
CommonMultiples
3 5
91
Where do I write
15? It is a multiple
of both 3 and 5.
Reprint 2024-25
6 4
5 7
I have 3 and  2 on my dice.
If  I make 23, it is not the
multiple of any of the
numbers. So I will make 32,
which is a multiple of 4, and
write it in the red circle.
DiceGame
90
CommonMultiples
Think of a number. If it is a multiple of 3 write it in the red circle.
If it is a multiple of 5 write it in the blue circle.
3 5
Some numbers are multiples of both 3 and 5.
Sowecansaythattheyare toboth3and5.
Think! If you write the multiples common to
3 and 5 in the purple part, then will they still be
in both the red and the blue circles?
Which is the smallest among these
? _________
Repeat the game using the numbers 2 and 7.
common
common
multiples
Write the common multiples of 2 and 7.
h
h
91
Where do I write
15? It is a multiple
of both 3 and 5.
Reprint 2024-25