Class 5 Exam > Class 5 Notes > Mathematics for Class 5 > Worksheet Solution: Rounding off Numbers
Worksheet Solution: Rounding off Numbers | Mathematics for Class 5 PDF Download
Q 1: Round of the following numbers to the nearest 10
1. 77
Ans: 80
2. 554
Ans: 550
3. 11
Ans: 10
4. 440
Ans: 440
5. 99
Ans: 100
Q 2: Round of the following numbers to the nearest 100
1. 758
Ans: 800
2. 3,534
Ans: 3 500
3. 67
Ans: 100
4. 7,945
Ans: 7 900
5. 45
Ans: 0
Q 3: Round off the following numbers to the nearest 1000
1. 2,364
Ans: 2 000
2. 23,456
Ans: 23 000
3. 8,500
Ans: 9 000
4. 77,499
Ans: 77 000
5. 19,739
Ans: 20 000
Q 4: Round off the following numbers to the nearest 10 000
1. 63,934
Ans: ≈ 60 000
2. 199,456
Ans: 200 000
3. 8,500
Ans: 10 000
4. 77,499
Ans: 80 000
5. 19 739
Ans: 20000
Q 5: Fill the number marked by the arrow. Draw the arrow to show where the nearest 100 is.
Example:
1. 
Ans: 
2. 
Ans: 
3. 
Ans:
4. 
Ans:
5. 
Ans:
Q 6: The questions are based on rounding off the numbers to the nearest ten thousand (10,000), hundred thousand (100,000), one million (1,000,000) and ten million (10,000,000).
Part 1: Round the following numbers to the nearest ten thousand:
1. 63,525
Ans: 60,000
2. 88,653
Ans: 90,000
3. 77,777
Ans: 80,000
4. 96,875
Ans: 1,00,000
Part 2: Round each the following numbers to the nearest hundred thousand:
1. 546475
Ans: 5,00,000
2. 384320
Ans: 4,00,000
3. 764300
Ans: 8,00,000
4. 695321
Ans: 7,00,000
5. 356000
Ans: 4,00,000
6. 899549
Ans: 9,00,000
Part 3: Round each the following numbers to the nearest one million:
1. 52,08,008
Ans: 50,00,000
2. 21,38,520
Ans: 20,00,000
3. 49,28,619
Ans: 50,00,000
4. 65,00,000
Ans: 70,00,000
Part 4:. Round each the following numbers to the nearest ten million:
1. 21,08,62,013
Ans: 21,00,00,000
2. 46,78,89,250
Ans: 47,00,00,000
3. 9,75,94,310
Ans: 10,00,00,000
Part 5: Round off to the nearest ten million the population of the following states:
1. California: 31512070
Ans: 30000000
2. New York: 55638318
Ans: 60000000
The document Worksheet Solution: Rounding off Numbers | Mathematics for Class 5 is a part of the Class 5 Course Mathematics for Class 5.
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FAQs on Worksheet Solution: Rounding off Numbers - Mathematics for Class 5
| 1. What is rounding off numbers and why is it important? |  |
Ans.Rounding off numbers is the process of adjusting the digits of a number to make it simpler while keeping its value close to what it was. It is important because it makes calculations easier, helps in estimating values quickly, and simplifies the presentation of data.
| 2. How do you round off a number to the nearest ten? | |
Ans.To round off a number to the nearest ten, you look at the digit in the ones place. If it is 5 or greater, you round up the tens place by one. If it is less than 5, you keep the tens place the same and change the ones place to zero. For example, 34 rounds to 30, while 36 rounds to 40.
| 3. Can you explain rounding off to the nearest hundred with an example? | |
Ans.To round off to the nearest hundred, you check the digit in the tens place. If it is 5 or more, you round up the hundreds place; if it is less than 5, you keep the hundreds place the same. For instance, 245 rounds to 200, while 256 rounds to 300.
| 4. What are some common mistakes made while rounding off numbers? | |
Ans.Common mistakes include forgetting to look at the correct place value, rounding down when it should be rounded up, or rounding off too early in a multi-step calculation. It's important to follow the rounding rules carefully to avoid these errors.
| 5. How can rounding off help in real-life situations? | |
Ans.Rounding off can help in various real-life situations, such as budgeting, estimating costs, measuring distances, or reporting statistics. It allows for quicker calculations and clearer communication of approximate values, which is useful in everyday decision-making.
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