Q1: Write the number shown by the place value blocks.
| Hundreds | Tens | Ones |
|---|---|---|
| 5 | 2 | 7 |
Ans: The number formed is 527.
Q2: Write the expanded form of the number 684.
Ans:
| Place Value | Value |
|---|---|
| Hundreds | 600 |
| Tens | 80 |
| Ones | 4 |
So, 684 = 600 + 80 + 4.
Q3: Between which two hundreds does the number 742 lie?
Ans:
| Lower Hundred | Number | Higher Hundred |
|---|---|---|
| 700 | 742 | 800 |
So, 742 lies between 700 and 800.
Q4: Write the neighbouring tens of the number 395.
Ans:
| Previous Ten | Number | Next Ten |
|---|---|---|
| 390 | 395 | 400 |
The neighbouring tens are 390 and 400.
Q5: Which number is greater: 608 or 680? Give a reason using place value.
Ans:
| Number | Hundreds | Tens | Ones |
|---|---|---|---|
| 608 | 6 | 0 | 8 |
| 680 | 6 | 8 | 0 |
Both numbers have 6 hundreds, but 680 has more tens. So, 680 is greater.
Q6: Arrange the following numbers from smallest to greatest: 845, 804, 840, 815.
Ans:
| Number | Hundreds | Tens | Ones |
|---|---|---|---|
| 804 | 8 | 0 | 4 |
| 815 | 8 | 1 | 5 |
| 840 | 8 | 4 | 0 |
| 845 | 8 | 4 | 5 |
So, the order is: 804, 815, 840, 845.
Q7: What is Bhutasankhya and how is it used to show numbers?
Ans: Bhutasankhya is a way of showing numbers using words or objects that represent numbers.
Q8: How many tens are there in the number 430?
Ans:
| Total Number | Number of Tens |
|---|---|
| 430 | 43 |
There are 43 tens in 430.
Q9: Add 50 to the number 368 and write the answer.
| Starting Number | Add | Result |
|---|---|---|
| 368 | +50 | ___ |
Ans: 418
Q10: Write any one number that lies between 599 and 610.
| Lower Number | Chosen Number | Higher Number |
|---|---|---|
| 599 | ____ | 610 |
Ans: 605 lies between 599 and 610.
| Lower Number | Chosen Number | Higher Number |
|---|---|---|
| 599 | 605 | 610 |