Rounding To Tens And Hundreds Quiz
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How strong your basic mathematics is? Are you good at rounding off numbers to tens and hundreds? If you're confident enough, then play this quiz and test your knowledge for the same. You can easily pass this quiz if you know the rounding tens or hundreds rules. For the nearest ten, the digit in the ones place is considered, whereas the tens place digit is considered to round a number to the nearest hundred. Shall we begin the quiz now? Best of luck!
Questions and Answers
- 1.
Round 253 to the nearest tens.
- A.
240
- B.
300
- C.
250
- D.
200
Correct Answer
C. 250Explanation
To round 253 to the nearest tens, we look at the ones digit, which is 3. Since 3 is less than 5, we round down. Therefore, the tens digit remains the same, and the ones digit becomes 0. Hence, the number 253 rounds to 250.Rate this question:
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- 2.
Round 817 to the nearest hundreds.
- A.
810
- B.
800
- C.
820
- D.
900
Correct Answer
B. 800Explanation
To round 817 to the nearest hundreds, we look at the tens digit, which is 1. Since it is less than 5, we round down the hundreds digit, which is 8, to the nearest hundreds. Therefore, the correct answer is 800.Rate this question:
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- 3.
What digit do you need to look at to round 462 to the nearest tens?
- A.
4
- B.
6
- C.
2
- D.
None of these
Correct Answer
C. 2Explanation
To round 462 to the nearest tens, we need to look at the digit in the ones place, which is 2. Since 2 is less than 5, we do not need to round up. Therefore, the digit we need to look at to round 462 to the nearest tens is 2.Rate this question:
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- 4.
What is 296 rounded to the nearest hundreds?
- A.
300
- B.
200
- C.
290
- D.
260
Correct Answer
A. 300Explanation
296 rounded to the nearest hundreds is 300 because when rounding to the nearest hundreds, we look at the tens digit. If it is 5 or greater, we round up, and if it is less than 5, we round down. In this case, the tens digit is 9, which is greater than 5, so we round up to the next hundred, which is 300.Rate this question:
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- 5.
What is 781 rounded to the nearest tens?
- A.
700
- B.
710
- C.
800
- D.
780
Correct Answer
D. 780Explanation
The number 781, when rounded to the nearest tens, would be 780. This is because the digit in the ones place, which is 1, is less than 5. Therefore, we round down to the nearest tens, which is 780.Rate this question:
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- 6.
Which of the following numbers is a weak number?
- A.
9
- B.
5
- C.
4
- D.
8
Correct Answer
C. 4Explanation
A weak number is a number that can be expressed as the sum of its own digits raised to the power of the number of digits. In this case, 4 is a weak number because it has only one digit, and 4^1 equals 4.Rate this question:
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- 7.
Which of the following numbers is a strong numbers?
- A.
0
- B.
2
- C.
5
- D.
3
Correct Answer
C. 5Explanation
A strong number is a number whose sum of the factorial of its digits is equal to the number itself. In this case, the number 5 is a strong number because the factorial of its digit (5!) is equal to the number itself (5).Rate this question:
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- 8.
What is 77 rounded to the nearest 10?
- A.
70
- B.
60
- C.
50
- D.
80
Correct Answer
D. 80Explanation
The number 77 is closer to 80 than to any other multiple of 10. When rounding to the nearest 10, if the number is exactly halfway between two multiples of 10, it is rounded up to the nearest even multiple of 10. Therefore, 77 is rounded to 80.Rate this question:
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- 9.
Round 253 to the nearest tens
- A.
260
- B.
250
- C.
200
- D.
520
Correct Answer
B. 250Explanation
To round 253 to the nearest tens, we need to look at the digit in the ones place, which is 3. Since 3 is less than 5, we round down. Therefore, the tens digit remains the same, which is 2, and the ones digit becomes 0. Hence, the nearest tens for 253 is 250.Rate this question:
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- 10.
If rounding 1,208 to the nearest hundred, what place value would you look at to make your decision?
- A.
Ones
- B.
Tens
- C.
Hundreds
- D.
None of these
Correct Answer
B. TensExplanation
When rounding a number to the nearest hundred, we look at the tens place value to make our decision. In this case, the tens digit is 0. Since it is less than 5, we do not need to round up. Therefore, the number 1,208 rounded to the nearest hundred remains the same, which is 1,200.Rate this question:
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Current Version
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Jun 18, 2023Quiz Edited by
ProProfs Editorial Team -
May 25, 2022Quiz Created by
Alfredhook3
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