Basic Math Test On Rounding And Estimating! Trivia Quiz

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Basic Math Test On Rounding And Estimating! Trivia Quiz - Quiz

Are you looking for a basic math test on rounding and estimating? In many math problems, the answers are not always whole numbers, and if you do not round it off, you may have a hard time doing follow up questions. If you are in need of practice in this area, be sure to take up the trivia quiz below.


Questions and Answers
  • 1. 

    Estimate the product. Round the second factor to the nearest hundred, and then multiply. 7 × 798 The product is approximately 

    • A.

      4,800

    • B.

      5,600

    • C.

      6,000

    Correct Answer
    B. 5,600
    Explanation
    To estimate the product, we need to round the second factor, 798, to the nearest hundred, which is 800. Then, we multiply 7 by 800 to get the estimated product. 7 times 800 is 5600. Therefore, the estimated product is 5600.

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  • 2. 

    At a local school, 53 students each wrote 41 letters to students in another country. About how many letters were written in all? Choose a better estimate.

    • A.

      1,600

    • B.

      2,000

    • C.

      2,200

    Correct Answer
    B. 2,000
    Explanation
    The question asks for an estimate of the total number of letters written by 53 students, with each student writing 41 letters. To estimate the total, we can round each number to the nearest ten. 53 rounds to 50, and 41 rounds to 40. Multiplying these rounded numbers gives us 2,000, which is the closest estimate to the total number of letters written.

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  • 3. 

    A builder needs 72 nails to finish a project. If the nails come in packages of 5, about how many packages should the builder purchase? Choose a better estimate.

    • A.

      1

    • B.

      140

    • C.

      14

    Correct Answer
    C. 14
    Explanation
    To estimate the number of packages the builder should purchase, we divide the total number of nails needed (72) by the number of nails in each package (5). This gives us 14.4 packages. Since we cannot purchase a fraction of a package, the builder should round up to the nearest whole number. Therefore, the builder should purchase 14 packages of nails.

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  • 4. 

    Estimate. Which sign makes the sentence true?   15,916 ÷ 2 3,164

    • A.

    • B.

      >

    Correct Answer
    B. >
    Explanation
    The sign ">" makes the sentence true because 15,916 divided by 2 is greater than 3,164.

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  • 5. 

    Round this number to the nearest 100. 3,476

    • A.

      4,000

    • B.

      3,400

    • C.

      3,500

    Correct Answer
    C. 3,500
    Explanation
    To round the number 3,476 to the nearest 100, we look at the digit in the tens place, which is 7. Since 7 is greater than or equal to 5, we round up the hundreds place to the next higher number, which is 3,500. Therefore, the correct answer is 3,500.

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