EduSahara™ Assignment
Name : Rational Numbers and their Decimal Representation
Chapter : Rational Numbers
Grade : SSC Grade VIII
License : Non Commercial Use
Question 1
1.
    • Express
    • 3

      7
    • as a decimal correct to 1 decimal places
  • (i)
    0.6
  • (ii)
    0.5
  • (iii)
    0.4
  • (iv)
    0.2
  • (v)
    0.3
Question 2
2.
    • Express
    • 8

      9
    • as a decimal correct to 2 decimal places
  • (i)
    0.79
  • (ii)
    0.69
  • (iii)
    0.89
  • (iv)
    0.99
  • (v)
    1.09
Question 3
3.
    • Express
    • 5

      4
    • as a decimal correct to 3 decimal places
  • (i)
    1.15
  • (ii)
    1.25
  • (iii)
    1.05
  • (iv)
    1.35
  • (v)
    1.45
Question 4
4.
    • Express
    • 81

      88
    • as a decimal correct to 1 decimal places
  • (i)
    1
  • (ii)
    0.8
  • (iii)
    0.9
  • (iv)
    0.7
  • (v)
    1.1
Question 5
5.
    • Express
    • 701

      808
    • as a decimal correct to 3 decimal places
  • (i)
    0.968
  • (ii)
    0.868
  • (iii)
    0.668
  • (iv)
    0.768
  • (v)
    1.068
Question 6
6.
    • Express
    • 6979

      1560
    • as a decimal correct to 4 decimal places
  • (i)
    4.3737
  • (ii)
    4.5737
  • (iii)
    4.2737
  • (iv)
    4.4737
  • (v)
    4.6737
Question 7
7.
    • Find the period of the recurring decimal
    • 11.
      4
  • (i)
    0
  • (ii)
    4
  • (iii)
    2
  • (iv)
    40
  • (v)
    1
Question 8
8.
    • Find the period of the recurring decimal
    • 4.23809523809523...
  • (i)
    7
  • (ii)
    6
  • (iii)
    23809
  • (iv)
    238095
  • (v)
    2380950
Question 9
9.
    • Find the periodicity of the recurring decimal
    • 11.
      925
  • (i)
    1
  • (ii)
    3
  • (iii)
    2
  • (iv)
    4
  • (v)
    925
Question 10
10.
    • Find the periodicity of the recurring decimal
    • 0.33333333333333...
  • (i)
    0
  • (ii)
    1
  • (iii)
    2
  • (iv)
    3
  • (v)
    -1
Question 11
11.
    • The recurring part of the decimal
    • 0.
      3
    • is
  • (i)
    3
  • (ii)
    0.3
  • (iii)
    330
  • (iv)
    333
  • (v)
    33
Question 12
12.
    • The recurring part of the decimal
    • 17.27777777777777...
    • is
  • (i)
    17.27
  • (ii)
    727
  • (iii)
    771
  • (iv)
    7
  • (v)
    77
Question 13
13.
    • Convert the non-terminating recurring decimal
    • 19.
      703
    • to rational number
  • (i)
    530

    27
  • (ii)
    532

    25
  • (iii)
    532

    27
  • (iv)
    532

    29
  • (v)
    178

    9
Question 14
14.
    • Convert the non-terminating recurring decimal
    • 2.47619047619047...
    • to rational number
  • (i)
    18

    7
  • (ii)
    52

    23
  • (iii)
    52

    19
  • (iv)
    52

    21
  • (v)
    50

    21
Question 15
15.
    • Convert the fraction
    • 61

      9
    • to non-terminating recurring decimal
  • (i)
    6.
    7
  • (ii)
    0.06
    7
  • (iii)
    0.6
    7
  • (iv)
    67.
    7
  • (v)
    677.
    7
Question 16
16.
    • Convert the fraction
    • 1

      3
    • to non-terminating recurring decimal
  • (i)
    0.0
    3
  • (ii)
    3.
    3
  • (iii)
    33.
    3
  • (iv)
    0.
    3
  • (v)
    0.
    0
Question 17
17.
Which of the following fractions converts to a non-terminating recurring decimal?
  • (i)
    106

    9
  • (ii)
    3808

    40
  • (iii)
    952

    5
  • (iv)
    3456

    80
  • (v)
    481

    5
Question 18
18.
Which of the following fractions converts to a terminating decimal?
  • (i)
    3536

    200
  • (ii)
    233

    135
  • (iii)
    269

    18
  • (iv)
    233

    18
  • (v)
    233

    234
Question 19
19.
    • Which of the following is an irrational number?
  • (i)
    3

    18
  • (ii)
    (-3)
  • (iii)
    1
  • (iv)



    69
  • (v)
    8.7222
Question 20
20.
    • Which of the following is a rational number?
  • (i)



    92
  • (ii)
    3


    64
  • (iii)
    3


    77
  • (iv)
    14

    19
  • (v)



    85
Question 21
21.
    • Express
    • 2

      3
    • as a decimal correct to 2 decimal places
  • (i)
    0.07
  • (ii)
    0.47
  • (iii)
    6.67
  • (iv)
    0.67
  • (v)
    0.77
Question 22
22.
    • Express
    • 14

      13
    • as a decimal correct to 2 decimal places
  • (i)
    1.08
  • (ii)
    10.77
  • (iii)
    0.11
  • (iv)
    1.18
  • (v)
    0.88
Question 23
23.
    • Express
    • 28

      19
    • as a decimal correct to 2 decimal places
  • (i)
    1.57
  • (ii)
    1.27
  • (iii)
    0.15
  • (iv)
    1.47
  • (v)
    14.74
Question 24
24.
    • Express
    • 61

      37
    • as a decimal correct to 2 decimal places
  • (i)
    0.16
  • (ii)
    1.65
  • (iii)
    1.75
  • (iv)
    16.49
  • (v)
    1.45
Question 25
25.
    • Express
    • 3

      10
    • as a decimal correct to 1 decimal places
  • (i)
    0.3
  • (ii)
    0
  • (iii)
    0.1
  • (iv)
    3
  • (v)
    0.4
Question 26
26.
    • Express
    • 17

      100
    • as a decimal correct to 2 decimal places
  • (i)
    1.7
  • (ii)
    0.27
  • (iii)
    -0.03
  • (iv)
    0.17
  • (v)
    0.02
Question 27
27.
    • Express
    • 817

      1000
    • as a decimal correct to 3 decimal places
  • (i)
    0.817
  • (ii)
    8.17
  • (iii)
    0.082
  • (iv)
    0.617
  • (v)
    0.917
Question 28
28.
    • Express
    • 3199

      10000
    • as a decimal correct to 4 decimal places
  • (i)
    0.4199
  • (ii)
    0.032
  • (iii)
    0.3199
  • (iv)
    0.1199
  • (v)
    3.199
Question 29
29.
6.3 =
  • (i)
    63

    10
  • (ii)
    63

    100
  • (iii)
    63

    1000
  • (iv)
    630
  • (v)
    63
Question 30
30.
5.8 =
  • (i)
    29

    5
  • (ii)
    29

    500
  • (iii)
    58
  • (iv)
    29

    50
  • (v)
    580
Question 31
31.
7.88 =
  • (i)
    788
  • (ii)
    197

    2500
  • (iii)
    394

    5
  • (iv)
    197

    25
  • (v)
    197

    250
Question 32
32.
4.910 =
  • (i)
    491

    1000
  • (ii)
    491

    10
  • (iii)
    491

    100
  • (iv)
    491

    10000
  • (v)
    491
Question 33
33.
6.1 =
  • (i)
    61
  • (ii)
    61

    10
  • (iii)
    61

    1000
  • (iv)
    61

    100
  • (v)
    610
Question 34
34.
10.11 =
  • (i)
    1011

    10
  • (ii)
    1011

    10000
  • (iii)
    1011
  • (iv)
    1011

    100
  • (v)
    1011

    1000
Question 35
35.
3.27 =
  • (i)
    327

    10
  • (ii)
    327
  • (iii)
    327

    1000
  • (iv)
    327

    10000
  • (v)
    327

    100
Question 36
36.
7.365 =
  • (i)
    1473

    20000
  • (ii)
    1473

    20
  • (iii)
    1473

    2000
  • (iv)
    1473

    200
  • (v)
    1473

    2
Question 37
37.
    • Express
    • 5

      8
    • as a decimal correct to 4 decimal places
  • (i)
    0.525
  • (ii)
    0.725
  • (iii)
    0.425
  • (iv)
    0.825
  • (v)
    0.625
Question 38
38.
    • Express
    • 39

      14
    • as a decimal correct to 2 decimal places
  • (i)
    2.89
  • (ii)
    2.99
  • (iii)
    2.69
  • (iv)
    2.59
  • (v)
    2.79
Question 39
39.
    • Express
    • 42

      47
    • as a decimal correct to 3 decimal places
  • (i)
    0.894
  • (ii)
    0.994
  • (iii)
    0.694
  • (iv)
    0.794
  • (v)
    1.094
Question 40
40.
    • Express
    • 29

      32
    • as a decimal correct to 4 decimal places
  • (i)
    0.9062
  • (ii)
    1.0063
  • (iii)
    1.1062
  • (iv)
    0.8063
  • (v)
    0.7063
    Assignment Key

  •  1) (iii)
  •  2) (iii)
  •  3) (ii)
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  •  5) (ii)
  •  6) (iv)
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  •  12) (iv)
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  •  31) (iv)
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  •  35) (v)
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  •  39) (i)
  •  40) (i)