NCERT Solutions: House of Hundreds- I

 Page 1


Ajji, Teji and Jojo have come to the mela. Guess the number  
of ‘triangular torans’. 
Now find out how many there are.
10 20 30 40 50
2 hundred
2 hundred
Teacher’s Note: Help children to count objects beyond 200 and show 
how the counting can be done as earlier using the same number names.
How many triangles are there in a line of triangular 
toran? 
Try counting all the triangles.
Total triangle: 50 more than 200, which is 250.
House of House of 
Hundreds - Hundreds - I I
6 6
Can 
you make a 
guess?
These are 
more than 
a hundred.
Page 2


Ajji, Teji and Jojo have come to the mela. Guess the number  
of ‘triangular torans’. 
Now find out how many there are.
10 20 30 40 50
2 hundred
2 hundred
Teacher’s Note: Help children to count objects beyond 200 and show 
how the counting can be done as earlier using the same number names.
How many triangles are there in a line of triangular 
toran? 
Try counting all the triangles.
Total triangle: 50 more than 200, which is 250.
House of House of 
Hundreds - Hundreds - I I
6 6
Can 
you make a 
guess?
These are 
more than 
a hundred.
65
House of Hundreds - I
Guess how many bangles there are. 
Try counting the total number of bangles. 
See how Teji is counting.
Total bangles: 200 and 80 more is 280.
Guess how many toffees there are in 
the boxes. 
Count and check. 
Jojo has 2 toffees in his hand.
How many toffees are there altogether? 
298 + 1 = 299
299 + 1 = 300
How many more triangles to make 300? 
How many bangles less than 300? 
Which is more: bangles or triangles?
Bangles! Let’s count. 
10, 20, 30, … 100, 110, 
120 … 200, 210, …  
270, 271, 272 … 279, 280
These are lots of toffees! 
Let’s count. 10, 20, 30,... 
100, 110, 120, ….190, 200, 
210, …290, 291, 292,  
293, …, 298
298 and 
one more is 299; 
299 and one  
more is 300.
Page 3


Ajji, Teji and Jojo have come to the mela. Guess the number  
of ‘triangular torans’. 
Now find out how many there are.
10 20 30 40 50
2 hundred
2 hundred
Teacher’s Note: Help children to count objects beyond 200 and show 
how the counting can be done as earlier using the same number names.
How many triangles are there in a line of triangular 
toran? 
Try counting all the triangles.
Total triangle: 50 more than 200, which is 250.
House of House of 
Hundreds - Hundreds - I I
6 6
Can 
you make a 
guess?
These are 
more than 
a hundred.
65
House of Hundreds - I
Guess how many bangles there are. 
Try counting the total number of bangles. 
See how Teji is counting.
Total bangles: 200 and 80 more is 280.
Guess how many toffees there are in 
the boxes. 
Count and check. 
Jojo has 2 toffees in his hand.
How many toffees are there altogether? 
298 + 1 = 299
299 + 1 = 300
How many more triangles to make 300? 
How many bangles less than 300? 
Which is more: bangles or triangles?
Bangles! Let’s count. 
10, 20, 30, … 100, 110, 
120 … 200, 210, …  
270, 271, 272 … 279, 280
These are lots of toffees! 
Let’s count. 10, 20, 30,... 
100, 110, 120, ….190, 200, 
210, …290, 291, 292,  
293, …, 298
298 and 
one more is 299; 
299 and one  
more is 300.
66
Maths Mela | Class 3
2. Fill in the blanks with the correct numbers.
1.  Jojo is jumping on a tiled path inside the mela.  
Fill in the empty tiles with numbers.
211
212 216
294
295
302 310
234
390 387 382
227 230
5.  Ants have found food on the ground. Guess how many ants 
there are. Count and check.
3. 
4. 
Teacher’s Note: Ask why children got different answers and how one 
can get better at counting. The differences in the answers should be 
used as an opportunity to show why groups of 10 are more effective in 
counting correctly even large numbers. Help children arrive at a strategy 
to count correctly.
Let us Do
Page 4


Ajji, Teji and Jojo have come to the mela. Guess the number  
of ‘triangular torans’. 
Now find out how many there are.
10 20 30 40 50
2 hundred
2 hundred
Teacher’s Note: Help children to count objects beyond 200 and show 
how the counting can be done as earlier using the same number names.
How many triangles are there in a line of triangular 
toran? 
Try counting all the triangles.
Total triangle: 50 more than 200, which is 250.
House of House of 
Hundreds - Hundreds - I I
6 6
Can 
you make a 
guess?
These are 
more than 
a hundred.
65
House of Hundreds - I
Guess how many bangles there are. 
Try counting the total number of bangles. 
See how Teji is counting.
Total bangles: 200 and 80 more is 280.
Guess how many toffees there are in 
the boxes. 
Count and check. 
Jojo has 2 toffees in his hand.
How many toffees are there altogether? 
298 + 1 = 299
299 + 1 = 300
How many more triangles to make 300? 
How many bangles less than 300? 
Which is more: bangles or triangles?
Bangles! Let’s count. 
10, 20, 30, … 100, 110, 
120 … 200, 210, …  
270, 271, 272 … 279, 280
These are lots of toffees! 
Let’s count. 10, 20, 30,... 
100, 110, 120, ….190, 200, 
210, …290, 291, 292,  
293, …, 298
298 and 
one more is 299; 
299 and one  
more is 300.
66
Maths Mela | Class 3
2. Fill in the blanks with the correct numbers.
1.  Jojo is jumping on a tiled path inside the mela.  
Fill in the empty tiles with numbers.
211
212 216
294
295
302 310
234
390 387 382
227 230
5.  Ants have found food on the ground. Guess how many ants 
there are. Count and check.
3. 
4. 
Teacher’s Note: Ask why children got different answers and how one 
can get better at counting. The differences in the answers should be 
used as an opportunity to show why groups of 10 are more effective in 
counting correctly even large numbers. Help children arrive at a strategy 
to count correctly.
Let us Do
67
House of Hundreds - I
Teacher’s Note: Ask children to make large numbers using matchsticks or 
any other readily available material at home and bring to school.
6. Fill in the blanks appropriately.
Teji and Jojo have learnt to write numbers with the 
help of matchstick bundles. They can also write 
number sentences in more than one way.
7. Place the numbers given above on the number line.
235 lies between 200 and 250.
Matchsticks Number Number sentence
235 200 and 35 more 
(200 + 35)
15 less than 250 
(250 – 15)
    
  
300 and 16 more
109
0 50 100 150 200 250
235
300 350
Page 5


Ajji, Teji and Jojo have come to the mela. Guess the number  
of ‘triangular torans’. 
Now find out how many there are.
10 20 30 40 50
2 hundred
2 hundred
Teacher’s Note: Help children to count objects beyond 200 and show 
how the counting can be done as earlier using the same number names.
How many triangles are there in a line of triangular 
toran? 
Try counting all the triangles.
Total triangle: 50 more than 200, which is 250.
House of House of 
Hundreds - Hundreds - I I
6 6
Can 
you make a 
guess?
These are 
more than 
a hundred.
65
House of Hundreds - I
Guess how many bangles there are. 
Try counting the total number of bangles. 
See how Teji is counting.
Total bangles: 200 and 80 more is 280.
Guess how many toffees there are in 
the boxes. 
Count and check. 
Jojo has 2 toffees in his hand.
How many toffees are there altogether? 
298 + 1 = 299
299 + 1 = 300
How many more triangles to make 300? 
How many bangles less than 300? 
Which is more: bangles or triangles?
Bangles! Let’s count. 
10, 20, 30, … 100, 110, 
120 … 200, 210, …  
270, 271, 272 … 279, 280
These are lots of toffees! 
Let’s count. 10, 20, 30,... 
100, 110, 120, ….190, 200, 
210, …290, 291, 292,  
293, …, 298
298 and 
one more is 299; 
299 and one  
more is 300.
66
Maths Mela | Class 3
2. Fill in the blanks with the correct numbers.
1.  Jojo is jumping on a tiled path inside the mela.  
Fill in the empty tiles with numbers.
211
212 216
294
295
302 310
234
390 387 382
227 230
5.  Ants have found food on the ground. Guess how many ants 
there are. Count and check.
3. 
4. 
Teacher’s Note: Ask why children got different answers and how one 
can get better at counting. The differences in the answers should be 
used as an opportunity to show why groups of 10 are more effective in 
counting correctly even large numbers. Help children arrive at a strategy 
to count correctly.
Let us Do
67
House of Hundreds - I
Teacher’s Note: Ask children to make large numbers using matchsticks or 
any other readily available material at home and bring to school.
6. Fill in the blanks appropriately.
Teji and Jojo have learnt to write numbers with the 
help of matchstick bundles. They can also write 
number sentences in more than one way.
7. Place the numbers given above on the number line.
235 lies between 200 and 250.
Matchsticks Number Number sentence
235 200 and 35 more 
(200 + 35)
15 less than 250 
(250 – 15)
    
  
300 and 16 more
109
0 50 100 150 200 250
235
300 350
68
Maths Mela | Class 3
8.  Look at the pictures and write the corresponding 
numbers. 
 a. 285 – increase the number by one
 b. 147 – increase the number by ten
 c. 367 – decrease the number by 2
 d. 289 – decrease the number by 10
 e. 290 – increase the number by 20
9.  Make the number slider as shown in the picture. Increase or 
decrease the number as given below:
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
0
1
2
3
4
5
6
7
8
9
Teacher’s Note: Teacher to make 
the TLM and play with children.