NCERT Solutions: House of Hundreds- I

# House of Hundreds- I NCERT Solutions | Mathematics for Class 3 (Maths Mela) PDF Download

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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.
10+20+30+40+50=150
Total triangles=5x150=750
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.
10+20+30+40+50=150
Total triangles=5x150=750
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.
10x10 = 100 toffees in one box
Total toffees in 3 boxes=3x100=300
300
302
280
150
22 (302-280)
Triangles are more
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.
10+20+30+40+50=150
Total triangles=5x150=750
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.
10x10 = 100 toffees in one box
Total toffees in 3 boxes=3x100=300
300
302
280
150
22 (302-280)
Triangles are more
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
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
213
214 215
217
218 219
220
225
226 228 229 231 232 233
381 383 384 385 386 388 389 390
234
387
230 227
382
293 292 291 296 297
298
299 300
301 303
304         305      306      307       308         309
Students are required to complete this on their own
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.
10+20+30+40+50=150
Total triangles=5x150=750
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.
10x10 = 100 toffees in one box
Total toffees in 3 boxes=3x100=300
300
302
280
150
22 (302-280)
Triangles are more
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
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
213
214 215
217
218 219
220
225
226 228 229 231 232 233
381 383 384 385 386 388 389 390
234
387
230 227
382
293 292 291 296 297
298
299 300
301 303
304         305      306      307       308         309
Students are required to complete this on their own
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
300
228
316
300
200 and 28 more
100 and 9 more
109 228 300 316
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.
10+20+30+40+50=150
Total triangles=5x150=750
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.
10x10 = 100 toffees in one box
Total toffees in 3 boxes=3x100=300
300
302
280
150
22 (302-280)
Triangles are more
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
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
213
214 215
217
218 219
220
225
226 228 229 231 232 233
381 383 384 385 386 388 389 390
234
387
230 227
382
293 292 291 296 297
298
299 300
301 303
304         305      306      307       308         309
Students are required to complete this on their own
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
300
228
316
300
200 and 28 more
100 and 9 more
109 228 300 316
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.
212 211
301
310
237 246
286
157
365
279
310
```

## Mathematics for Class 3 (Maths Mela)

6 videos|68 docs|18 tests

## Mathematics for Class 3 (Maths Mela)

6 videos|68 docs|18 tests

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