Unit 1 Preassessment: Rational Number Uses

18 Questions | Total Attempts: 166

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Rational Number Quizzes & Trivia

This quiz will not serve as a grade, but as a means to determine areas of strength and weakness. Please take your time and answer each question to the best of your ability.


Questions and Answers
  • 1. 
    Which ratio describes 20 basset hounds out of 45 dogs as a fraction in simplest form?
    • A. 

      20/45

    • B. 

      9/4

    • C. 

      9:4

    • D. 

      4/9

  • 2. 
    Bonnie purchased a 30-ounce package of Chocolate Chunk Cookies for $2.40.  What is the cost per ounce?
    • A. 

      $0.88 per oz.

    • B. 

      $8.00 per oz.

    • C. 

      $0.80 per oz.

    • D. 

      $0.08 per oz.

  • 3. 
    Bus Number 712 traveled 150 miles on 10 gallons of gas.  How many miles per gallon does the bus get?
    • A. 

      15

    • B. 

      150

    • C. 

      1.5

    • D. 

      0.15

  • 4. 
    Approximately 105 out of 350 teens have their own savings account.  Express the ratio 105:350 as a fraction in simplest form.
    • A. 

      3/1

    • B. 

      1/3

    • C. 

      10/3

    • D. 

      3/10

  • 5. 
    Express the ratio that compares the number of purple Skittles to the total number of Skittles.
    • A. 

      2/23

    • B. 

      3/15

    • C. 

      1/4

    • D. 

      2/3

  • 6. 
    Express 0.4 as a fraction in simplest form.
    • A. 

      2/5

    • B. 

      4/100

    • C. 

      1/4

    • D. 

      4/10

  • 7. 
    The White House is approximately 18.05 acres.  Express this decimal as a mixed number in simplest form.
    • A. 

      18 and 1/5

    • B. 

      18 and 5/100

    • C. 

      18 and 1/50

    • D. 

      18 and 1/20

  • 8. 
    Express 0.6 as a fraction in simplest form.
    • A. 

      6/100

    • B. 

      3/5

    • C. 

      6/10

    • D. 

      1/2

  • 9. 
    Write two and twelve hundredths as a mixed number in simplest form.
    • A. 

      2 and 6/40

    • B. 

      2 and 6/50

    • C. 

      2 and 3/25

    • D. 

      2

  • 10. 
    Write 7 and  4/5 as a decimal.
    • A. 

      7.8

    • B. 

      7.9

    • C. 

      7.4

    • D. 

      7.45

  • 11. 
    Replace the # with a number so that the fractions are equivalent:  18/21 = 6/#
    • A. 

      7

    • B. 

      3

    • C. 

      4

    • D. 

      6

  • 12. 
    Write 5/20 in simplest form.
    • A. 

      1/5

    • B. 

      1/4

    • C. 

      4/5

    • D. 

      1/20

  • 13. 
    Write 42/54 in simplest form.
    • A. 

      8/10

    • B. 

      7/9

    • C. 

      8/9

    • D. 

      21/27

  • 14. 
    State the least common denominator of 8/15 and 13/25.
    • A. 

      100

    • B. 

      300

    • C. 

      25

    • D. 

      75

  • 15. 
    Write 1/4, 1/3, and 2/7 in order from least to greatest.
    • A. 

      2/7, 1/3, 1/4

    • B. 

      1/3, 1/4, 2/7

    • C. 

      1/4, 2/7, 1/3

    • D. 

      2/7, 1/4, 1/3

  • 16. 
    Write 6x6x6x6x6 using exponents.
    • A. 

      6^6

    • B. 

      1^6

    • C. 

      6^5

    • D. 

      6^4

  • 17. 
    Evaluate 4^5  ("Four to the fifth power").
    • A. 

      1024

    • B. 

      256

    • C. 

      64

    • D. 

      625

  • 18. 
    Which number is a perfect square?
    • A. 

      36

    • B. 

      26

    • C. 

      32

    • D. 

      11

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