NCERT Textbook: House of Hundreds - I

# NCERT Textbook: House of Hundreds - I | 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.
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.
```

## Mathematics for Class 3 (Maths Mela)

6 videos|68 docs|18 tests

## FAQs on NCERT Textbook: House of Hundreds - I - Mathematics for Class 3 (Maths Mela)

 1. What is the significance of the House of Hundreds in Class 3?
Ans. The House of Hundreds is a concept introduced in Class 3 to help students understand numbers up to 100 in a more systematic and structured manner. The house is divided into different rooms to represent the tens and ones place value of numbers.
 2. How does the House of Hundreds help students learn about place value?
Ans. The House of Hundreds provides a visual representation of place value by dividing the house into rooms for each place value. This helps students understand the relationship between the digits in a number and their respective place values.
 3. Can students use the House of Hundreds to perform addition and subtraction operations?
Ans. Yes, students can use the House of Hundreds to perform addition and subtraction operations by visualizing the numbers in the different rooms of the house. This can help students better understand the regrouping process when adding or subtracting numbers.
 4. How can teachers incorporate the House of Hundreds into their math lessons for Class 3 students?
Ans. Teachers can use the House of Hundreds as a hands-on manipulative tool during math lessons to help students grasp the concept of place value. They can engage students in activities where they physically move objects around the rooms of the house to represent different numbers.
 5. What are some fun and interactive ways to teach students about the House of Hundreds?
Ans. Teachers can create games and activities that involve students interacting with the House of Hundreds, such as scavenger hunts to find numbers hidden in different rooms of the house or role-playing activities where students act out the regrouping process using the house.

## Mathematics for Class 3 (Maths Mela)

6 videos|68 docs|18 tests

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