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.
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 5digit number is 99,999, what is the successor of this number?
Ans: To find the successor of the greatest 5digit number, we simply add 1 to it:
Greatest 5digit 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.
28 videos110 docs30 tests

1. What is numeration? 
2. How is numeration important in mathematics? 
3. What are some common numeration systems used worldwide? 
4. How do you convert numbers between different numeration systems? 
5. Can you give an example of a nonpositional numeration system? 

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