Grade 8 Math Part 1 Rational Numbers Unit 1

30 Questions | Total Attempts: 367

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Grade 8 Math Part 1 Rational Numbers Unit 1

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Questions and Answers
  • 1. 
    The equivalent rational number of 17/9, whose numerator is 136 is _________
  • 2. 
    (534 x 991)-1= (534)-1 x _________
  • 3. 
    The rational number 9.99 in the form of p/q is _________
  • 4. 
    1/15 x [27/31 +32/37] = [1/15 x 27/31] + __________. name the property
  • 5. 
    The rational numbers 4/17 and -4/17 are on the _____ sides of zero on the number line.
    • A. 

      Opposite

    • B. 

      Same

  • 6. 
    4/7 is ____________ than - 4/7
    • A. 

      Greater

    • B. 

      Smaller

  • 7. 
    There are _______ rational numbers between any two rational numbers 
  • 8. 
    The additive inverse of a positive rational is always a ____________ rational number 
  • 9. 
    The reciprocal of - 15/17 is ______
  • 10. 
    Rational number - 3/5 lies between consecutive integers (-1) and __________
  • 11. 
    1. If a/b is a rational number, then "b" can be any whole number 
    • A. 

      True

    • B. 

      False

  • 12. 
    - 5/10 lies between - 1/2 and 1
    • A. 

      True

    • B. 

      False

  • 13. 
    If p ≠ 0, the multiplicative inverse of p/q is q/p?
    • A. 

      True

    • B. 

      False

  • 14. 
    The negative of the negative of any rational number is the number itself
    • A. 

      True

    • B. 

      False

  • 15. 
    The negative of 0 does not exist
    • A. 

      True

    • B. 

      False

  • 16. 
    For any rational number "a" and "b", "a - b" = "b - a"
    • A. 

      True

    • B. 

      False

  • 17. 
    For every rational number x, y, and z. x + (y x z) = (x + y) x (x + z)
    • A. 

      True

    • B. 

      False

  • 18. 
    1 is the only number, which is own reciprocal
    • A. 

      True

    • B. 

      False

  • 19. 
    -1 is not the reciprocal of any rational number
    • A. 

      True

    • B. 

      False

  • 20. 
    If X and Y are negative rational numbers, then so is ( X + Y)
    • A. 

      True

    • B. 

      False

  • 21. 
    The reciprocal of X-1  is 1/X
    • A. 

      True

    • B. 

      False

  • 22. 
    Zero is the smallest rational number
    • A. 

      True

    • B. 

      False

  • 23. 
    X + Y/ 2  is a rational number
    • A. 

      Between X and Y

    • B. 

      Less than X and Y both

    • C. 

      Greater than X and Y both

    • D. 

      Less than X but greater than Y

  • 24. 
    The reciprocal of zero is
  • 25. 
    Zero is
    • A. 

      The identity for addition of rational numbers

    • B. 

      The identity for subtraction of rational numbers

    • C. 

      The identity for multiplication of rational numbers

    • D. 

      The identity for division of rational numbers 

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