Rational Numbers Two Marks Questions

8th Standard EM

    Reg.No. :
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Maths

Time : 00:45:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. List five rational numbers between
    –2 and 0

  2. Write four rational numbers equivalent to
    \(\frac { -7 }{ 6 } \)

  3. Draw the number line and represent the following rational numbers on it.
    \(\frac { 9 }{ 4 } \)

  4. Find the rational numbers for the points marked on the number line.

  5. In a city, \(\frac{7}{20}\) of the population is women and \(\frac{1}{4}\) is children. Find the fraction of the population of men.

  6. Find the standard form of \(\frac{-56}{-72}\)

  7. Find the standard form of \(\frac{27}{18}\)

  8. Check whether \(\frac { 3 }{ 5 } -\frac { 7 }{ 8 } =\frac { 7 }{ 8 } -\frac { 3 }{ 5 } \)

  9. Is \(\frac { 3 }{ 5 } \div \frac { 7 }{ 8 } =\frac { 7 }{ 8 } \div \frac { 3 }{ 5 } \)? So, what do you conclude?

  10. Add \(\frac{3}{5}\) and \(\frac{13}{5}\)

  11. Divide 1 by \(\frac{1}{2}\)

  12. Divide \(\frac{2}{3}\) by \(\frac{-7}{12}\) 

  13. Write the distributive law for rational numbers of multiplication over addition.

  14. State the associative property for addition of rational numbers.

  15. Verify commutative property of addition for x=\(\frac{1}{3},y=\frac{-7}{9}\)

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