Rounding Off Numbers (Assimilation)

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| By Math Wizard
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Math Wizard
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  • 1/5 Questions

    In rounding off 56 327 to the nearest ten thousands, are you going to round up or round down?

    • Round up
    • Round down
    • None of the above
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About This Quiz

This quiz titled 'Rounding Off Numbers (Assimilation)' evaluates understanding of rounding numbers to the nearest thousands and ten thousands. It tests skills in determining whether to round up or down based on the next digit and reinforces basic arithmetic principles.

Rounding Off Numbers (Assimilation) - Quiz

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  • 2. 

    In rounding off 56 327 to the nearest thousands, are you going to round up or round down?

    • Round up

    • Round down

    • None of the above

    Correct Answer
    A. Round down
    Explanation
    When rounding off a number to the nearest thousands, we look at the digit in the thousands place. If this digit is 5 or greater, we round up, but if it is less than 5, we round down. In the given number, 56 327, the digit in the thousands place is 3, which is less than 5. Therefore, we round down to the nearest thousands.

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  • 3. 

    In rounding off 50 999 to the nearest ten thousands, the answer is 50 000.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When rounding off a number to the nearest ten thousands, we look at the digit in the ten thousands place and the digit immediately to its right. In this case, the digit in the ten thousands place is 5, and the digit to its right is 0. Since the digit to the right is less than 5, we do not need to round up. Therefore, the answer is 50,000.

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  • 4. 

    In rounding off 87 099 to the nearest thousands, the answer is 88 000.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    When rounding off 87,099 to the nearest thousands, we look at the digit in the hundreds place, which is 0. Since the digit in the thousands place is less than 5, we do not round up. Therefore, the correct answer is 87,000, not 88,000.

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  • 5. 

    How do we round off numbers?

    • Underline the digit being rounded, look to the right. If its 5 to 9 round down. If its 4 to 0 round up.

    • Underline the digit being rounded, look to the right. If its 5 to 9 round up (add 1). If its 4 to 0 round down.

    • Underline the digit being rounded. If its 5 to 9 round up (add 1). If its 4 to 0 round down.

    • Underline the digit being rounded. If its 5 to 9 round down. If its 4 to 0 round up.

    Correct Answer
    A. Underline the digit being rounded, look to the right. If its 5 to 9 round up (add 1). If its 4 to 0 round down.
    Explanation
    To round off numbers, we underline the digit being rounded and then look to the right. If the digit to the right is 5 to 9, we round up by adding 1 to the underlined digit. If the digit to the right is 4 to 0, we round down by keeping the underlined digit as it is.

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  • Current Version
  • Apr 03, 2025
    Quiz Edited by
    ProProfs Editorial Team
  • May 15, 2020
    Quiz Created by
    Math Wizard
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