Class 4 Maths - Introduction to Numbers - CBSE Worksheets Solutions - 1

Q1: Write the place value of:
(a) 5 in 1536 ______.
Sol:

Here are the values of each number:

The place value of 5 is 500. (Hundred)

(b) 0 in 5047 ______.
Sol: 

Here are the values of each number:

The value of o is 000. (Hundred)

Q2: Arrange the following numbers in ascending order:
(a) 7308, 7038, 7348, 7304
(b) 4526, 4256, 4569, 4325
Sol: Arranging numbers in ascending order means putting them in order from the smallest to the largest. Here's a step-by-step guide:

• Start with the Smallest Number: Identify the smallest number in the given set.
• Move to the Next Smallest: Look for the next smallest number in the remaining set.
• Continue the Process: Repeat the process, identifying the next smallest number until you've accounted for all the numbers in the set.
• Write in Ascending Order: Write down the numbers in the order you found them, from the smallest to the largest.

(a) 7038, 7304, 7308, 7348
(b) 4256, 4325, 4526, 4569

Q3: Make a place-value chart with six places. Enter in it the digits of the numbers given below:
(a) 3,50,008
(b) 9,50,004
(c) 3,58,309
Sol:


Q4: Write the short form of:
(a) 8,00,000 + 2,000 + 30 + 6
(b) 9,00,000 + 4,000 + 200
(c) 5,000 + 300 + 40 + 3
Sol:
(a) 8,00,000 + 2,000 + 30 + 6 = 802036
(b) 9,00,000 + 4,000 + 200 = 904200
(c) 5,000 + 300 + 40 + 3  = 5343

Q5: Fill in the blanks using >, = or < :
(a) 6,85,196 ______ 9,65,209.
(b) 1,520 ______ 534.
(c) 2,58, 734 ______ 2,58, 743
Sol: Comparing two numbers involves determining their relationship in terms of magnitude. Here's how you can interpret the symbols ">" (greater than), "<" (less than), and "=" (equal to):

• List the Numbers: Write down all the numbers you want to arrange.
• Identify the Largest Number: Find the largest number in the list. This will be the first number in your descending order arrangement.
• Write the Largest Number: Write down the largest number at the top.
• Remove the Largest Number: Once you've written down the largest number, remove it from the original list.
• Repeat the Process: Continue the process by identifying the next largest number from the remaining list and writing it down below the first number.
• Continue Until All Numbers are Listed: Repeat these steps until you have listed all the numbers in descending order.

(a) 6,53,192; 6,35,294; 1,28,193; 68,156; 6,346
(b)  7,19,076; 4,54,839; 2,81,263; 2,35,245; 81,526

Q7: Which is greater: 3,69,501 or 3,69,51 0?
Sol: 3,69,51 0 is greater because 510 is greater than 501.

Q8: Write the place-value of 2 in 7,52,693.
Sol: The place value of 2 in 7,52,693 is 2,000.

Q9: Arrange the following numbers in descending order: 
(a) 62,917; 1,00,008; 45,132; 36,472
(b) 25,192; 1,25,471; 61,832; 94,371
Sol:
(a) 1,00,008; 62,917;  45,132; 36,472
(b) 1,25,471;  94,37; 61,832; ; 25,192

Q10: Ring the largest number in each group:
(a) 7,20,163, 7,20,136, 7,02,163, 7,02,613
Sol: 7,20,163 is the largest in the group.

(b) 19,754, 45,791, 95,714, 71,459
Sol: 95,714  is the largest in the group

Q11: Write the place-value of the underlined digits in each of the following: 
(a) 7,36,214 
(b) 5,46,201
(c) 4,36,193
Sol:
(a) The place value of 1 is 10.
(b) The place value of 5 is 500000
(c) The place value of 9 is 90

Q12: Write each of the following numbers in figures:
(a) Six lakh, eight thousand, one hundred two
(b) Three lakh, fifty thousand, two hundred two
Sol:
(a) 680102.
(b) 350202.

Q13: Solve the following:
(a) Write the smallest 4-digit number using
(i) only one digit 
(ii) different digits.
Sol:
(i) 1111 is the 4 - digit smallest number with all 4 -digits same
(ii) Smallest 4-digit number with all 4 digits differebnt is 1234

(b) Write the predecessor of the smallest 6-digit number. 
Sol: Smallest 6 didgit number = 100000
Predecessor of 100000 = 100000 -1 = 99999

Q14: Write the predecessor of each of the following numbers:
(a) 7,36,000
(b) 8,53,169
Sol:
(a) 7,36,000 -1 = 735999
(b) 8,53,169 -1 = 853168

Q15: Fill in the blanks:
(a) In 8036, 3 is at _____ place.
(b) In 1042, 2 is at _____ place.
Sol:
(a) In 8036, 3 is at tens place.
(b) In 1042, 2 is at ones place.

Q16: Find the place-value of:
(a) 4 in 3,49,026 
(b) 2 in 7,25,419 
Sol:
(a) The place value of 4 is 40000 (Thousand)
(b) The place value of 2 is 20,000 (Ten Thousand)

Q17: Choose the numbers in which the place-value of 4 is 4 ,000:
4,61 ,290 , 9,24,300 , 56,004 , 64,000, 95,624, 46,521
Sol: 9,24,300;  64,000

Q18: Ring the smallest number in each group:
(a) 2,51,673, 2,51,637, 2,51,768, 2,51,367 
Sol: 2,51,367 is the smallest number in the group.

(b) 62,514, 21,951, 41,527, 42,519 
Sol: 21,951 is the smallest number in the group.

Q19: Find the place-value of 6 in each of the following numbers:
(a) 19,356 
Sol: The place value of 6 is 6 (ones)

(b) 6,00,087
Sol: The place value of 6 is 600000 (lakhs)

Q20:  Write the number names for each of the following numbers: 
(a) 2,50,006 
Sol: Two lakh fifty thousand and six.

(b) 4,65,009 
Sol: Four lakh sixty five thousand and nine.