ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Real Numbers
Question 1
1.
    • The rationalising factor of

    • √

      58
    • =

  • √

    55
  • 58

  • √

    60

  • √

    58
  • 4
    √

    58
Question 2
2.
Which of the following are true?
a)
1
14
✕
49
6
=
49
6
✕
1
14
b)
1
14
+
69
17
=
69
17
+
1
14
c)
9
11
−
69
17
=
69
17
−
9
11
d)
9
11
÷
49
6
=
49
6
÷
9
11
  • {c,a}
  • {a,b}
  • {c,d,a}
  • {c,b,a}
  • {d,b}
Question 3
3.
    • Find the position of the rational number
    • 64
      7
    • on the number line
  • P
  • K
  • F
  • O
  • H
Question 4
4.
    • Find the position of the rational number
    • (
      -67
      8
      		 )
    • on the number line
  • S
  • Q
  • D
  • K
  • R
Question 5
5.
Find the product of the rational numbers at the points labelled with letters D and E
  • 1404
    25
  • 506
    9
  • 1408
    25
  • 1294
    23
  • 1406
    25
Question 6
6.
Find the sum of the rational numbers at the points labelled with letters N and O
  • -13
  • -11
  • -10
  • -9
  • -7
Question 7
7.
Find the rational number at the point labelled with letter P
  • 23
    8
  • 19
    8
  • 7
    2
  • 21
    10
  • 21
    8
Question 8
8.
Find the product of the rational numbers at the points labelled with letters D and E
  • 2077
    50
  • 2081
    50
  • 2161
    52
  • 1997
    48
  • 2079
    50
Question 9
9.
Which of the following are true?
a)
5
13
÷
(
54
19
÷
13
18
)
=
(
5
13
÷
54
19
)
÷
13
18
b)
5
13
−
(
37
3
−
5
7
)
=
(
5
13
−
37
3
)
−
5
7
c)
14
11
+
(
37
3
+
7
19
)
=
(
14
11
+
37
3
)
+
7
19
d)
14
11
✕
(
54
19
✕
17
6
)
=
(
14
11
✕
54
19
)
✕
17
6
  • {c,d}
  • {a,c}
  • {a,b,c}
  • {b,d}
  • {a,d,c}
Question 10
10.
Find the difference of the rational numbers at the points labelled with letters E and F
  • (
    -2
    7
    		 )
  • (
    -2
    3
    		 )
  • (
    -4
    5
    		 )
  • (
    -2
    5
    		 )
  • 0