CBSE Solutions For Class 3 Maths Chapter 6 House Of Hundreds-1

CBSE Notes For Class 3 Chapter 6 House Of Hundreds-1

Ajji, Teji, and Jojo have come to the mela. Guess the number of Torans.

Now find out how many there are.

How many triangles are there in a toran?

Try counting all torans.

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Total torans: 50 more than 200, which is 250.

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.

Jojo has 2 toffees in his hand.

How many toffees are there altogether?

298 + 1 = 299

299 + 1 = 300

How many more torans to make 300?

How many bangles are less than 300?

Which is more: bangles or torans?

Let Us Do

Question 1. Jojo is jumping on a tiled path inside the mela. Fill in the empty tiles with numbers.

Question 2. Fill in the blanks with the correct numbers.

Question 3.

Question 4.

Question 5. Ants have found food on the ground. Guess how many ants there are. Count and check.

Question 6. Fill in the blanks appropriately.

Question 7. Place the numbers given above on the number line.

235 lies between 200 and 250.

Question 8. Look at the pictures and write the corresponding numbers.

Question 9. Make the number slider as shown in the picture. Increase or decrease the number as given below:

1. 285 – increase the number by one
2. 147- increase the number by ten
3. 367 – decrease the number by 2
4. 289 – decrease the number by 10
5. 290 – increase the number by 20

Let Us Do

Flag game: Let us play a guessing game. Teji has thought of a number between 200 and 210. Jojo has to guess it.

Now you try and play with your friends and guess the number.

Magical Count

Write down any number name. Count the number of letters in that number name and write the name of that new number down. Keep repeating — what happens?

Numbers on a line

Tell Teji, Jojo, and Bhoiu what the next hundred numbers will be. Write it on the number line below.

Can you show the number using matchsticks?

Let Us Do

Teji and Jojo are trying to put their numbers on the following number lines.

Question 1. Locate 216, 243, and 257 on the number line below.

Question 2. Locate 329, 332, 337, 375, and 387 on the number line below.

Question 3. Tell me how far 387 is from 400:

Question 4. Which is more: 393 or 400? Use a number line and show. Fill in the numbers on the number line below and show by jumping how far 393 is from 400.

Question 5. Teji and Jojo are hungry after all the running around. They go to Farooq Chacha’s Sweet Shop.

1. How many pieces of Mysorepak are in one tray? ________
2. How many pieces of Mysorepak are there in total? _________
3. How many laddoos does Chacha have in the trays? ________
4. How many dhoklas does Chacha have? __________
5. Chacha is going to fill the tray with more laddoos. How many more laddoos will make the tray full? __________
6. How many total laddoos will he have after the last tray is full? ________
7. Mark the following numbers on the number line below: 423, 487, 438, 476.

Let Us Do

Question 1. Teji and Jojo saw a big apartment.

Find the house numbers of the shaded houses without counting. Share your strategies.

Question 2. Arvind Dada has to deliver sweets from Farooq Chacha’s shop to different houses. Color the houses to which he has to deliver sweets.

The house numbers are: 209, 228, 242, 258, 267, 276, 290, 315, 346, 367, 389, 395.

Question 3. Write the floor and column number for each of the following houses.

Question 4. Find the following house numbers from the building and write the appropriate house numbers in the blank spaces. What do you notice? Discuss how the house numbers change when moving up and down and left to right.

Question 5. Who am I?

Arvind Dada packs sweets in boxes of 100 (H), 10 (T), and packets of loose sweets (O). The number of sweets for every house is the same as the house number.

Question 6. Draw sweets for each of the following house numbers.

Question 7.

1. Write the house numbers of the yellow and pink houses.
2. Write the pattern you see in these numbers.

Question 8.

Arvind cfoda wants to pack small! boxes of 10 in a big box of 100.

1. How many boxes of 10 can he fit in a box of 100? ______
2. How many boxes of 10 can he fit in two boxes of 100? _______
3. How many boxes of 10 can he fit in four boxes of 100? ______
4. How many boxes of 10 will he find if he opens a box of 100? _______

Question 9. Number hunt

Write the numbers between 200 and 300 that have 5 as a digit. Is 245 one such number? Write the other numbers.

Let Us Play

Do you remember this game? Let us play it again. We will record the actions in the table below. One is done for you.

Show and tell

Create a chain of cards such that every next card answers the question of the previous card. Distribute these cards among the children in the class. A child reads aloud their card and the other child having the answer identifies himself/herself. The game ends when every child has answered a question using their card.

One example is given below:

Let us compare who has more laddoos and show it using the sign more than (>) or less than (<) appropriately. 487 laddoos is more than 423 laddoos

423 addoos is less than 487 laddoos

Now compare 321 and 231. 3 hundred are more than 2 hundred. Do the other digits in the numbers matter here? No. So, 321 is more than (>) 231.

Let us take another example. We are comparing 209 with 290. Both numbers have two hundred. But 9 ones are less than 9 tens. So, 209 is less than (<) 290.

Let Us Do

Question 1. Compare the following numbers and use the signs >, < appropriately.

Question 2. Think and match the following.

Question 3. Circle the smallest number in each row:

1. 374, 473, 347, 437
2. 239,123,321,456

Question 4. Circle the greatest number in each row:

1. 466, 437, 439, 447, 483
2. 464,387,123,256,348

Question 5. Make 3-digit numbers using 3,2, and 4 without repeating any digits, and color the greatest number with red and the smallest number with yellow.

Question 6. Now make more 3-digit numbers using 3, 2, and 4 where you may repeat the digits. Color the greatest number with red and the smallest number with yellow.

Question 7.

1. Arrange the following numbers from smallest to biggest. 456, 389, 207, 99, 110
2. Arrange the following numbers from biggest to smallest. 67, 376, 294, 249, 494