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Word Problem: Numeration | Mathematics for Class 4 PDF Download

Q1: If you have 3 hundreds, 4 tens, and 2 ones, what number do you have? 

Ans: 3 hundreds means 300, 4 tens means 40, and 2 ones means 2. 

Adding them together: 300 + 40 + 2 = 342.

The number is 342.  Word Problem: Numeration | Mathematics for Class 4

Q2: You have 500 marbles. Your friend gives you 150 more marbles. How many marbles do you have now? 

Ans: You have 650 marbles. 

Start with 500 marbles, add 150 more: 500 + 150 = 650

Q3: Sarah has 7,200 stickers. She gives away 1,500 stickers to her friends. How many stickers does she have left?

Ans: Sarah has 5,700 stickers left. 

Begin with 7,200 stickers, subtract 1,500: 7,200 - 1,500 = 5,700.


Q4: If the greatest 5-digit number is 99,999, what is the successor of this number?
Ans:
To find the successor of the greatest 5-digit number, we simply add 1 to it:
Greatest 5-digit number + 1 = Successor
99,999 + 1 = 1,00,000

Q5: If you add 1 to the number 1,00,000, what number do you get, and how many digits does it have?
Ans: 
Adding 1 to 1,00,000 gives us the next number, which has 6 digits as well:
1,00,000 + 1 = 1,00,001

Q6: If you write the number 23,344 in expanded notation, what is its expanded form?
Ans:
Writing 23,344 in expanded notation gives its place value breakdown:
23,344 = 20,000 + 3,000 + 300 + 40 + 4

Q7: If you have the numbers 12,675, 6,532, 62,392, 18,125, and 29,358, how would you arrange them in ascending order?
Ans: 
Arranging the given numbers in ascending order:
6,532 < 12,675 < 18,125 < 29,358 < 62,392

Q8: Sarita wants to round off her weight to the nearest ten. If she currently weighs 42 kg, what would her rounded weight be?
Ans: 
Since the ones digit is 2, which is less than 5, we round down. So, Sarita's weight rounded to the nearest ten would be 40 kg.
Note: When rounding off to the nearest ten, we look at the ones digit. If it's 5 or greater, we round up; if it's less than 5, we round down.

Q9: If you have 1 lakh rupees and add ₹1 to it, what is the new amount in numerical form?
Ans:
Adding ₹1 to 1 lakh gives us 1,00,001.
In the Indian numeral system, 1 lakh plus 1 equals 1 lakh and 1 rupee.

Q10: What is the difference in place value between the digit 5 in the number 56,789 and the digit 5 in the number 5,678?
Ans:
The place value of 5 in 56,789 is 5,000, while the place value of 5 in 5,678 is 50. So, the difference is 4,950.
Note: Place value is determined by the position of the digit in the number. In the first number, 5 is in the thousands place, while in the second number, it's in the tens place.

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FAQs on Word Problem: Numeration - Mathematics for Class 4

1. What is numeration?
Ans. Numeration refers to the process of representing numbers using numerals or symbols, typically in a systematic way.
2. How is numeration important in mathematics?
Ans. Numeration is fundamental in mathematics as it allows for the representation, comparison, and manipulation of numbers, leading to various mathematical operations.
3. What are some common numeration systems used worldwide?
Ans. Some common numeration systems used worldwide include the Hindu-Arabic system (decimal system), Roman numerals, and binary system.
4. How do you convert numbers between different numeration systems?
Ans. To convert numbers between different numeration systems, you can use conversion methods specific to each system, such as using place values and positional notation.
5. Can you give an example of a non-positional numeration system?
Ans. Yes, an example of a non-positional numeration system is the Roman numeral system, where the value of a symbol is not solely dependent on its position in the number.
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