Quiz : How Well Do You Know About Rounding Numbers?
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Rounding off numbers is a super important concept in mathematics. Are you good with it? This super fun quiz lets you see how well you know about rounding numbers! Make sure to give the correct answer to all the questions asked in the quiz. Your scores are dependent on how many questions you get correct. The quiz will challenge you to apply mathematical concepts easily, so why not give it a try? We are sure that you'll have a marvelous time playing our fun quiz. Invite some of your friends to play the quiz together! Have fun!
Questions and Answers
1.
Round the number to the nearest ten.
25
Explanation To round a number to the nearest ten, we look at the digit in the ones place. If the digit is 5 or greater, we round up by adding 1 to the tens place. In this case, the digit in the ones place is 5, so we round up to the next ten, which is 30.
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2.
Round the number to the nearest ten.
86
Explanation To round the number 86 to the nearest ten, we look at the digit in the ones place, which is 6. Since 6 is greater than or equal to 5, we round up. Therefore, the number 86 rounds to 90, which is the nearest ten.
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3.
Round the number to the nearest ten.
214
Explanation To round the number 214 to the nearest ten, we look at the digit in the ones place, which is 4. Since 4 is less than 5, we round down. Therefore, the tens digit remains the same (2) and the ones digit becomes 0. Thus, the rounded number to the nearest ten is 210.
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4.
Round the number to the nearest ten.
483
Explanation The given number, 483, needs to be rounded to the nearest ten. In order to do this, we look at the digit in the ones place, which is 3. Since 3 is less than 5, we round down to the nearest ten. Therefore, the number rounded to the nearest ten is 480.
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5.
Round the number to the nearest hundred.
361
Explanation To round the number 361 to the nearest hundred, we look at the tens digit, which is 6. Since 6 is greater than or equal to 5, we round up the hundreds digit by adding 1. Therefore, the number is rounded to 400.
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6.
Round the number to the nearest hundred.
537
Explanation To round a number to the nearest hundred, we look at the digit in the tens place. If it is 5 or greater, we round up to the next hundred. If it is less than 5, we round down to the previous hundred. In this case, the digit in the tens place is 3, which is less than 5. Therefore, we round down to the previous hundred, which is 500.
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7.
Round the number to the nearest hundred.
709
Explanation To round a number to the nearest hundred, we look at the digit in the tens place. If it is 5 or greater, we round up. If it is less than 5, we round down. In this case, the digit in the tens place is 0, which is less than 5. Therefore, we round down to the nearest hundred, which is 700.
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8.
Round the number to the nearest hundred.
455
Explanation To round the number to the nearest hundred, we look at the tens digit. If the tens digit is 5 or greater, we round up to the next hundred. If the tens digit is less than 5, we round down to the current hundred. In this case, the tens digit is 5, so we round up to the next hundred, which is 500.
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9.
Round the number to the nearest ten.
76
Explanation To round a number to the nearest ten, we look at the digit in the ones place. If it is 5 or greater, we round up, and if it is less than 5, we round down. In this case, the digit in the ones place is 6, which is greater than 5. Therefore, we round up to the nearest ten, which is 80.
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10.
Round the number to the nearest hundred.
258
Explanation To round a number to the nearest hundred, we look at the tens digit. If the tens digit is 5 or greater, we round up to the next hundred. If the tens digit is less than 5, we round down to the previous hundred. In this case, the tens digit is 5, so we round up to the next hundred, which is 300.
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