EduSahara™ Worksheet
Name : Chapter Based Worksheet
Chapter : Rational Numbers
Grade : CBSE Grade VIII
License : Non Commercial Use
Question 1
1.
    • 4

      7
    • +
    • 16
    • = ______
  • (i)
    116

    9
  • (ii)
    116

    5
  • (iii)
    116

    7
  • (iv)
    114

    7
  • (v)
    118

    7
Question 2
2.
Which of the following is true?
  • (i)
    21

    10
    <
    40

    23
  • (ii)
    38

    9
    <
    23

    16
  • (iii)
    16

    3
    <
    37

    10
  • (iv)
    29

    25
    >
    23

    3
  • (v)
    34

    31
    >
    35

    33
Question 3
3.
    • The multiplicative inverse of
    • 1

      8
    • is
  • (i)
    9
  • (ii)
    7
  • (iii)
    8

    1
  • (iv)
    10
  • (v)
    6
Question 4
4.
    • Which of the following is true?
a)
20.3200
(
7.4200
18.3700
)
=
(
20.3200
7.4200
)
18.3700
b)
7.4200
+
(
18.3700
+
19.5100
)
=
(
7.4200
+
18.3700
)
+
19.5100
c)
18.3700
(
19.5100
20.3200
)
=
(
18.3700
19.5100
)
20.3200
d)
19.5100
÷
(
20.3200
÷
7.4200
)
=
(
19.5100
÷
20.3200
)
÷
7.4200
  • (i)
    {a,b}
  • (ii)
    {c,a}
  • (iii)
    {d,b}
  • (iv)
    {c,d,a}
  • (v)
    {c,b,a}
Question 5
5.
    • Find the missing value in
    • 19

      6
    • +
    • ______ =
    • 5
  • (i)
    11

    6
  • (ii)
    11

    4
  • (iii)
    13

    6
  • (iv)
    11

    8
  • (v)
    3

    2
Question 6
6.
    • Find the missing value in
    • 7

      12
    • ______ =
    • 7

      68
  • (i)
    5

    17
  • (ii)
    1

    5
  • (iii)
    3

    19
  • (iv)
    3

    17
  • (v)
    1

    17
Question 7
7.
The decimal number 0.780 lies between
  • (i)
    {1,2}
  • (ii)
    {0,1}
  • (iii)
    {-2,-1}
  • (iv)
    {2,3}
  • (v)
    {-1,0}
Question 8
8.
    • The additive inverse of
    • 8

      3
    • is
  • (i)
    0
  • (ii)
    3

    8
  • (iii)
    (
    -3
    2

    3
    )
  • (iv)
    (
    -8

    3
    )
  • (v)
    3

    -8
Question 9
9.
Find the product of the rational numbers at the points labelled with letters J and K
  • (i)
    92

    5
  • (ii)
    426

    23
  • (iii)
    462

    25
  • (iv)
    166

    9
  • (v)
    464

    25
Question 10
10.
Find the difference between the values of numbers at point A and B
  • (i)
    5

    11
  • (ii)
    1

    3
  • (iii)
    3

    13
  • (iv)
    3

    11
  • (v)
    1

    11
Question 11
11.
    • Which of the following decimal numbers lie between
    • 4570
    • and
    • 4571
    • ?
  • (i)
    45705
  • (ii)
    4570.5
  • (iii)
    4571.5
  • (iv)
    4569.5
  • (v)
    457.1
Question 12
12.
    • Find the position of the rational number
    • 7

      4
    • on the number line
  • (i)
    O
  • (ii)
    M
  • (iii)
    Q
  • (iv)
    I
  • (v)
    R
Question 13
13.
    • Find the missing value in
    • 3

      4
    • ÷
    • ______ =
    • 13

      16
  • (i)
    14

    13
  • (ii)
    12

    13
  • (iii)
    10

    13
  • (iv)
    4

    5
  • (v)
    12

    11
Question 14
14.
Find the difference of the rational numbers at the points labelled with letters H and I
  • (i)
    (
    -2

    3
    )
  • (ii)
    (
    -4

    5
    )
  • (iii)
    0
  • (iv)
    (
    -2

    7
    )
  • (v)
    (
    -2

    5
    )
Question 15
15.
    • Find the position of the rational number
    • (
      -13

      3
      )
    • on the number line
  • (i)
    K
  • (ii)
    F
  • (iii)
    N
  • (iv)
    I
  • (v)
    E
Question 16
16.
    • 5
      1

      2
    • 5
    • = ______
  • (i)
    3

    2
  • (ii)
    1

    4
  • (iii)
    1
  • (iv)
    (
    -1

    2
    )
  • (v)
    1

    2
Question 17
17.
    • Which of the following decimal numbers lie between
    • 2385.82
    • and
    • 2385.83
    • ?
  • (i)
    2385.812
  • (ii)
    238.582
  • (iii)
    2385.837
  • (iv)
    2385.824
  • (v)
    23858.24
Question 18
18.
    • 12

      11
    • ÷
    • 11
    • = ______
  • (i)
    12

    121
  • (ii)
    10

    121
  • (iii)
    12

    119
  • (iv)
    14

    121
  • (v)
    4

    41
Question 19
19.
    • 18
    • ÷
    • 15

      8
    • = ______
  • (i)
    48

    7
  • (ii)
    46

    5
  • (iii)
    48

    5
  • (iv)
    10
  • (v)
    16
Question 20
20.
    • The reciprocal of
    • 5

      4
    • is
  • (i)
    4

    5
  • (ii)
    1
    4

    5
  • (iii)
    (
    -1

    5
    )
  • (iv)
    (
    -1
    1

    5
    )
  • (v)
    2
    4

    5
Question 21
21.
    • 14
    • 1

      2
    • = ______
  • (i)
    5
  • (ii)
    7
  • (iii)
    10
  • (iv)
    8
  • (v)
    6
Question 22
22.
Which of the following is true?
  • (i)
    7

    12
    >
    6

    9
  • (ii)
    16

    19
    <
    3

    4
  • (iii)
    5

    6
    <
    4

    9
  • (iv)
    11

    13
    >
    12

    15
  • (v)
    4

    18
    >
    2

    3
Question 23
23.
    • 1

      2
    • ÷
    • 3
    • = ______
  • (i)
    1

    2
  • (ii)
    1

    4
  • (iii)
    (
    -1

    6
    )
  • (iv)
    1

    6
  • (v)
    1

    8
Question 24
24.
Find the sum of the rational numbers at the points labelled with letters R and S
  • (i)
    (
    -103

    8
    )
  • (ii)
    (
    -25

    2
    )
  • (iii)
    (
    -129

    10
    )
  • (iv)
    (
    -127

    10
    )
  • (v)
    (
    -151

    12
    )
Question 25
25.
Find the difference of the rational numbers at the points labelled with letters P and Q
  • (i)
    -1
  • (ii)
    (
    -1

    5
    )
  • (iii)
    (
    -3

    7
    )
  • (iv)
    (
    -3

    5
    )
    Assignment Key

  •  1) (iii)
  •  2) (v)
  •  3) (iii)
  •  4) (i)
  •  5) (i)
  •  6) (iv)
  •  7) (ii)
  •  8) (iv)
  •  9) (iii)
  •  10) (iv)
  •  11) (ii)
  •  12) (v)
  •  13) (ii)
  •  14) (v)
  •  15) (i)
  •  16) (v)
  •  17) (iv)
  •  18) (i)
  •  19) (iii)
  •  20) (i)
  •  21) (ii)
  •  22) (iv)
  •  23) (iv)
  •  24) (iv)
  •  25) (iv)